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Fast-Track Your Projects With Gelco EMS Quick Turn PCB Assemblies

12Dec
by Admin  
0

Printed Circuit Boards (PCBs) are the cornerstone of modern electronics, enabling seamless connectivity among electronic components and electrical wirings. Their advantages, such as efficient interconnection, space optimisation, and reduced weight, make them indispensable. In today’s competitive landscape, the demand for quick turn PCB assemblies has skyrocketed as businesses face tighter deadlines and market pressures.

Unveiling the Power of Quick Turn PCB Assemblies

Quick Turn PCBs have become a lifeline for businesses striving to stay ahead in rapidly evolving markets. They empower companies to swiftly adapt to new trends and maintain a competitive edge. However, choosing a trustworthy and seasoned partner like Gelco EMS for Quick Turn PCB needs is crucial to successfully execute critical projects within tight timelines.

Why Opt for a Premier Manufacturing Partner for Quick Turn PCB Services?

In-house management of PCB requirements often entails significant investments in resources and specialised equipment. Yet, in today’s economic climate, investing in machinery for small production runs can be economically unviable. Gelco EMS steps in, offering tailored solutions that align with quality standards, PCB size, tooling types, and project urgency, sparing companies from excessive capital outlay.

Advantages Offered by Gelco EMS

As an experienced firm, Gelco EMS provides a diverse array of packages tailored to different requirements, presenting varied shapes and customisation options. Our streamlined approach simplifies decision-making, presenting clients with a comprehensive range of solutions while allowing flexibility for customisation, eliminating the need for extensive research.

Moreover, our expertise in design, testing, manufacturing, and timely delivery ensures that projects are executed flawlessly within tight schedules. Opting for Gelco EMS means relying on proven proficiency rather than risking experimental approaches.

Quality Assurance and Compliance

At Gelco EMS, we prioritise compliance with industry standards. We are committed to delivering high-quality, rigorously tested Quick Turn PCBs that adhere to industry codes, ensuring our clients receive reliable and compliant products.

In essence, Quick Turn PCB assemblies are the pathway to agility in a fast-paced market. However, partnering with Gelco EMS ensures not just speed but also quality, compliance, and adherence to stringent timelines. Entrust your Quick Turn PCB needs to Gelco EMS for a seamless, efficient, and code-compliant solution that aligns perfectly with your project requirements. Fast-track your projects and stay ahead with Gelco EMS Quick Turn PCB Assemblies – your gateway to speed, precision, and reliability.

Surface Mount Technology (SMT) for PCB Assembly: The Preferred Choice

06Nov
by Admin  
0
Printed circuit boards (PCBs) have undergone a remarkable evolution, emerging as critical components in an extensive range of applications, from automobiles to consumer electronics. PCBs play a pivotal role in connecting electronic components, enabling them to function seamlessly. Among the various techniques used for PCB assembly, Surface Mount Technology (SMT) stands out as the preferred choice, and for good reasons.

Why SMT Assembly for PCBs Takes the Lead

  • Time Efficiency: In the world of PCB assembly, time is money. SMT has revolutionized the assembly process, offering remarkable time efficiency compared to its predecessors like point-to-point and through-hole assembly. In the past, these older techniques required meticulous soldering of components and the use of connecting wires, resulting in time-consuming processes. SMT, on the other hand, sidesteps these challenges by soldering components directly to the PCB surface without the need for through-hole connection points. Automation further streamlines the manufacturing process, ultimately saving precious time.
  • Cost Efficiency: Efficiency doesn’t stop at time; SMT brings significant cost savings to the table. The innovative assembly process is cost-effective thanks to automation, which allows for the simultaneous production of numerous low-profile PCBs. This mass-production capability effectively reduces production costs to attractive price points. The affordability of SMT assembly opens the door to a wide range of applications, making it accessible to a broader audience.
  • Maximum Usability: SMT techniques are characterized by the use of smaller, lightweight components. This not only contributes to the compact and slender design of PCBs but also enhances their usability, efficiency, and energy performance. Their lightweight nature makes them ideal for integration into advanced electronic products, such as laptops, smartphones, and other portable devices. SMT has become the go-to choice for Original Equipment Manufacturers (OEMs), designers, and engineers, who appreciate its compatibility with modern electronics.
  • Accessibility and Simplicity: Contrary to misconceptions, SMT assembly does not require advanced training or the use of expensive, rare components. With a little practice, proper knowledge, steady hands, and good eyesight, you can master SMT assembly. Basic tools, like a good pair of tweezers and some magnification for precision, are all that’s needed. This accessibility allows a broader range of individuals and manufacturers to harness the benefits of SMT without significant barriers.
In conclusion, Surface Mount Technology (SMT) has rightfully earned its place as the preferred method for PCB assembly. Its time efficiency, cost-effectiveness, usability, and accessibility make it a game-changer in the world of electronics manufacturing. As technology continues to advance, SMT remains a reliable choice, ensuring that the electronics industry thrives with streamlined, efficient, and cost-effective solutions.

Precision PCB Assembly Services by Gelco EMS: Where Quality Meets Innovation

05Oct
by Admin  
0

When it comes to Printed Circuit Board (PCB) assembly services, attention to detail and precision are non-negotiable. PCBs are the backbone of countless industrial and domestic devices, and their flawless assembly is paramount for the seamless operation of electronic devices. Gelco EMS understands the critical role that PCBs play, and we take pride in offering top-notch assembly services that guarantee excellence in every component.

Choose the Right Assembly Service

Depending on your specific requirements, there are two primary types of PCB assembly services to choose from:

  1. Electrical Assembly of PCBs: Our electrical PCB assembly service is tailored to meet the unique demands of your design and components. We meticulously handle the assembly process to ensure that every electrical connection is flawlessly executed.
  2. Mechanical Assembly of PCBs: In addition to electrical assembly, we excel in mechanical PCB assembly. Our experts are skilled in handling the intricate components and mechanical aspects of PCBs to deliver a fully integrated and functional product.

The PCB Assembly Process

To ensure a successful PCB assembly, Gelco EMS follows a comprehensive set of steps designed to guarantee the highest quality:

  • Design Finalization: We start by finalizing the design of your PCB and carefully drilling holes in essential positions on the metal board according to your specifications. Safety measures are strictly followed.
  • Component Placement: Our experienced team arranges the components on the circuit board precisely as per your PCB design.
  • Polarity Alignment: To ensure proper functionality, we meticulously align the polarity of the components, distinguishing positive and negative ends.
  • Soldering: The components are securely soldered to the board using high-quality tin or lead solder. Our skilled technicians ensure that every component is affixed firmly to its designated position.
  • Small Component Attachment: Delicate components are handled with tweezers and attached to their respective positions on the circuit board using adhesives or epoxy resins.
  • Thorough Inspection: Each assembled PCB undergoes a rigorous inspection to detect loose ends or unattached components.
  • Functional Testing: We employ multi-meters to inspect the circuit board for any connectivity issues. Any defects detected are promptly addressed.
  • Repair and Reassembly: In case of defects, malfunctioning components are desoldered, repaired, and then resoldered to ensure a flawless final assembly.
  • Installation: Once the PCB is fully assembled and rigorously tested, it is ready for installation in its permanent location.

Gelco EMS: Your Trusted Partner for PCB Assembly

When it comes to efficient and credible PCB assembly services, Gelco EMS is your one-stop solution. Our technologically advanced approach to PCB assembly sets us apart in the industry. We are committed to delivering excellence in every component, and our track record speaks for itself.

Accelerate Your Prototyping with Gelco EMS’s Quick Turn PCB Assembly Services

04Sep
by Admin  
0

When it comes to creating customised prototype circuit boards on a tight schedule, Quick Turn PCB assembly services are the ace up your sleeve. These services offer a lifeline for businesses seeking faster turnarounds without breaking the bank. Gelco EMS specialises in delivering top-notch Quick Turn PCB assembly services, providing you with various efficient ways to meet your project’s unique needs and specifications.

Why Gelco EMS for Quick Turn PCB Assembly?

At Gelco EMS, we take pride in being a trusted name in the industry, offering a range of Quick Turn PCB assembly services that are not only prompt but also tailored to meet our customers’ needs. Here’s why you should choose us:

Dedicated to Meeting Deadlines: We understand the importance of meeting tight project deadlines. Our team works diligently to assemble Quick Turn PCBs promptly, ensuring your projects stay on track.

Expertise in 2-layer and 4-layer Co-op Panels: Whether you require assembly for 2-layer or 4-layer Co-op panels, both bare and finished, we’ve got you covered. Our expertise extends to various panel types, giving you flexibility in your project designs.

Customer-Centric Approach: Your satisfaction is our priority. Our dedicated customer support team is here to assist you, troubleshoot any issues, and answer any questions you may have regarding Quick Turn PCBs.

Quick Turn PCB Services Offered: At Gelco EMS, we offer a range of Quick Turn PCB assembly services designed to cater to your needs:

  • Cost Efficiency with Co-op Panels: Our Co-op panels allow you to share assembly orders for both finished and bare boards. This collaborative approach helps distribute costs effectively, saving you money on material and setup expenses. We offer small-sized panels that can be rapidly filled, whether you need 2-layer or 4-layer Co-op panels.
  • Time Savings with Prototype Panels: For projects requiring lightning-fast turnaround times, our ingeniously designed Prototype circuit boards are the solution. These boards are optimised for quick turnarounds and instant ordering, ensuring you meet your deadlines without compromise.

Additional Value-Added Services

At Gelco EMS, we go the extra mile to provide you with added benefits such as:

  • Customised Quotes for PCBs: Get quotes tailored to your project’s unique requirements.
  • Fast Delivery: We understand the need for speed; our services include fast and reliable delivery.
  • Automatic File Verification: Rest easy knowing your files will be automatically verified for accuracy.
  • Cost-Effective 1-2 Layered Quick Turn PCB Assembly: We offer cost-effective assembly options for 1-2 layered PCBs.

Ready to get started with Gelco EMS’s Quick Turn PCB assembly services? Visit our website, place your order, and take advantage of instant tracking and delivery. Trust us to accelerate your prototyping projects while maintaining the highest standards of quality and efficiency. Gelco EMS is your partner for quick, reliable, and cost-effective PCB assembly.

Mastering the Art of Solder Paste Application in Surface Mount Assembly.

03Aug
by Admin  
0

The surface mount assembly process is a meticulous process where each step is vital. Each step contributes to the flawless functionality of electronic devices. Among these crucial steps, the application of solder paste to the printed circuit board (PCB) is the key to success. Accomplished through stencils or foils, this seemingly straightforward process requires meticulous considerations and expertise for optimal results.

A stencil, often crafted from thin stainless steel, is punctuated with a series of apertures designed to align precisely with the PCB layout. This unassuming tool wields immense power, accurately depositing solder paste onto surface mount pads. This deposition ensures solder joints meet the high standards of both electrical connectivity and mechanical robustness.

Design Considerations

The way the stencil is made is really important. It needs to be just the right thickness to allow the paste to come out smoothly from the holes. We also need to think about the size of the particles in the paste and how they come out of these holes. The following points must be ensured:

  • Stencil Thickness: Striking the right balance is crucial; a thickness of 4 to 8 thou ensures proper paste release from apertures and the desired solder joint volume. A simple formula guides the selection, while the particle size of the solder paste influences release efficiency.
  • Aperture Design: Careful aperture design prevents solder defects like bridging and beads. Apertures are often slightly smaller than pads, forming a gasket seal, while unique designs cater to specific needs, as seen in ‘home-plate’ apertures.
  • Stencil Material and Mounting: Stencil material matters, with stainless steel being common and nickel serving advanced designs. Coatings like NanoProTek enhance paste release. Multilevel stencils or ‘stepped’ stencils cater to diverse component sizes.
  • Stencil Alignment: Proper alignment ensures accurate paste print on pads, achieved through fiducial marks on both PCB and stencil.
  • PCB Design Specifics: Design choices, like window effects to manage heat-dissipating copper pads, ensure flawless application.

Efficiency:

In the electronics industry, efficiency is the heartbeat of success. Sub-optimal assembly processes, like inefficient surface mount operations at 20%, lead to cascading inefficiencies across the production line. These inefficiencies inflate costs, slow returns on investment, and hinder competitiveness. Larger batch sizes, excess parts, and delayed customer responses become unwelcome companions.

With heightened awareness and proactive measures, we can elevate the electronics industry to new heights of efficiency and excellence. By perfecting the solder paste application, we solidify the foundation for seamless assembly and superior device performance. As we progress, let’s embrace the intricacies, pioneer advancements, and shape an electronics industry that stands as a beacon of innovation, quality, and sustainability.

Conclusion:

In the realm of electronics manufacturing, where precision and innovation meet, the application of solder paste emerges as the keystone of success. By mastering this art, we unlock the potential for seamless assembly, ensuring the impeccable functioning of electronic devices that shape our modern world. As we navigate the intricacies of stencil design, material selection, and strategic placement, we pave the way for a future marked by efficient and sustainable electronics. In this journey, Gelco EMS stands as a beacon of expertise, committed to delivering top-tier solutions that run parallel to technological advancement with responsible practices.

Considerations For Choosing a Selective Soldering Process

03Jul
by Admin  
0

Selective soldering has become a crucial process in electronics manufacturing, automating the soldering of assemblies that would otherwise require hand soldering. When selecting a selective soldering machine, several parameters need to be considered to ensure an effective and efficient soldering process. In this blog post, we will explore the key factors that should be taken into account when choosing a selective soldering process.

  • PCB Size: The size of the PCB being processed plays a significant role in machine selection. Smaller PCBs can be processed using compact machines with the option of dual conveyors to increase throughput. Larger PCBs may require in-line machines with board handling capabilities for higher volume production.
  • Floor Space: The available floor space must be considered when selecting a selective soldering machine. Machines range in size from compact units to larger in-line systems, and the available space should align with the chosen machine’s dimensions.
  • Maintenance: The level of maintenance required can vary based on the technology employed within the solder pot. Machines using impellers to drive the solder may generate more dross, requiring regular removal. Opting for machines with electromagnets to drive the solder reduces maintenance needs and ensures a more stable wave for accurate soldering.
  • Solder Type: Selective soldering machines can accommodate various solder alloys. While some companies still use leaded solder, most prefer lead-free alloys. The pot temperature typically ranges between 270°C and 300°C for lead-free solder, although newer alloys are available that operate at lower temperatures, around 250°C.
  • Solder Pots: To optimise the selective soldering process, manufacturers often offer the option to add solder modules to the system. Machines may use multiple solder pots per module, allowing different solder alloys, variable Z-axis configurations, and variable Y-axis positions for simultaneous soldering of multiple PCBs.
  • Nozzles: The versatility of selective soldering lies in its ability to reach areas that are challenging to solder manually. A wide range of nozzles is available, varying in diameter and length. It’s important to consider the process time and nozzle wear when selecting the appropriate size and type of nozzle.
  • Nitrogen Supply: To prevent oxide formation and maintain solder quality, a high-purity nitrogen atmosphere is required. Nitrogen can be supplied through pressurised bottles, liquid nitrogen tanks, or locally generated sources. While each method has associated costs and safety considerations, locally generated nitrogen is often preferred due to its long-term cost-effectiveness and reduced safety concerns.
  • Flux: Flux is essential for cleaning metal surfaces and creating acceptable solder joints. Different flux types are available, categorised based on activity, solids content, and material type. Low-solid/no-clean fluxes are commonly used in selective soldering processes. Sufficient flux application is necessary for optimal solder hole fill and reliable soldering.
  • Pre-heating: The preheating stage serves several purposes, including activating and drying the flux, facilitating solder flow, minimising the effect of large copper planes, and reducing the risk of thermal shock to components. Infra-red preheating is often used, and closed-loop control with a pyrometer ensures accurate temperature control.
  • PCB Handling: For larger volume production using in-line selective soldering systems, PCB handling becomes essential to manage the flow of assemblies. Depending on the requirements, a combination of magazine PCB line loaders and unloaders can be integrated into the process.
  • Machine Options: Various machine options are available to enhance process repeatability, simplify machine operation, and improve overall efficiency. These options include visual inspection modules, automatic conveyor width adjustment, automatic wave height checks, automatic nozzle cleaning, automatic solder level checks, PCB warp compensation, and closed-loop control of heating elements.
  • Machine Configuration: The type and mix of assemblies being processed dictate the machine configuration. High-volume, low-mix production may prioritise speed, while low-volume, high-mix production requires flexibility. Choosing a machine configuration that aligns with the specific production requirements is crucial.

In conclusion, by carefully considering these parameters, electronics manufacturers can achieve accurate, repeatable, and efficient soldering processes, resulting in high-quality assemblies and a positive return on investment. Gelco EMS, as a trusted leader in selective soldering processes, offers tailored solutions that ensure accuracy, repeatability, and efficiency for electronics manufacturers. With advanced technology, expertise, and a commitment to excellence, Gelco EMS delivers high-quality assemblies and a positive return on investment. Choose Gelco EMS for reliable and optimised selective solder.

Understanding Selective Soldering

12Jun
by Admin  
0

As PCB assemblies become increasingly complex with surface mount components on both sides of the board, traditional soldering methods face challenges in automating the soldering of through-hole components. Hand soldering, often used as an alternative, can lead to inconsistent results and quality problems, resulting in higher manufacturing costs and longer lead times. In such cases, selective soldering has emerged as a preferred solution, offering greater efficiency, improved quality, and reduced manufacturing costs. In this blog post, we will explore the concept of selective soldering, its process, and its advantages over traditional methods.

Selective soldering is a targeted soldering process that focuses on specific electronic components on a PCB. Using a programmed image of the PCB, lines are drawn to indicate where flux and solder are to be applied, selecting the components to be soldered. This method allows for precise control and eliminates the need for hand soldering.

Selective Soldering Process:

Similar to wave soldering, the selective soldering process involves flux application, preheating, and soldering. However, there are key differences in how these steps are executed. Instead of coating the entire PCB with flux, only the components to be soldered are fluxed. The preheating stage raises the assembly’s temperature, preparing it for soldering. In the soldering stage, the PCB is exposed to a molten wave of solder, but unlike wave soldering, individual connections encounter the wave one after the other. This slower, more precise process allows for the independent configuration of variables for each position to be soldered.

Challenges Addressed by Selective Soldering:

One of the primary challenges that selective soldering overcomes is the clearance between surface mount components and through-hole component pads. In traditional wave soldering, clearance requirements can limit the use of this method. However, selective soldering offers more flexibility, with minimum clearance requirements ranging from 3mm to as low as 1mm, depending on the board design and the machine being used.

Advantages of Selective Soldering:
  1. Improved Quality: Selective soldering significantly reduces quality concerns associated with hand soldering. The automated process ensures consistency, resulting in reliable and defect-free solder joints.
  2. Faster Soldering: Selective soldering allows for faster soldering of through-hole components compared to manual soldering. This speeds up the manufacturing process, leading to reduced lead times and increased productivity.
  3. Cost Efficiency: By eliminating the inconsistencies and quality issues associated with hand soldering, selective soldering reduces manufacturing costs in the long run. It minimizes rework and the need for additional inspections, leading to improved overall operational efficiency.
  4. Precise and Customizable: Selective soldering provides a high level of precision and customization. Each soldering position can be independently configured, ensuring optimal soldering conditions for every connection. This flexibility is particularly valuable for complex PCB assemblies with various component sizes and designs.

Selective soldering has become a preferred method for soldering through-hole components in complex PCB assemblies. By offering improved quality, faster soldering, and cost efficiency, selective soldering overcomes the limitations of traditional methods and streamlines the manufacturing process. As electronics assemblies continue to advance in complexity, selective soldering will play an increasingly vital role in meeting the demands of modern electronics manufacturing.

POST-AOI Automation: What Are Your Options?

08May
by Admin  
0

In the electronics industry, maximizing production profitability is a constant concern for manufacturers, regardless of their size or degree of automation. One area where significant gains can be made is in the automation of post-AOI processes. In this article, we will discuss the options available for optimizing post-AOI automation processes and their potential benefits.

The first and most important step in improving post-AOI automation is moving from batch AOI to inline AOI. While batch systems may be cheaper initially, the costs of a skilled operator’s wages over the lifetime of the machine are much higher than an inline system, which requires far less human intervention.

Once the inline AOI system is in place, there are several options available for post-AOI automation:

NG Conveyor and NG Workstation:

The most common method for separating NG (non-good) PCBAs from good PCBAs is the NG Conveyor. These conveyors have a pin lift mechanism that moves NG PCBAs from the good transfer conveyor to the NG position above. NG Conveyors can be equipped with up to three NG positions, and alarms can be set to signal line operators to remove the NG PCBAs for processing.

NG Workstations provide additional automation by bringing the review station to the SMT line. The workstation is equipped with a review station screen and PC, a mounted optical camera, and a screen on a floating X, Y gantry, allowing for all processing and reviews to take place on the line.

NG Buffer:

The NG Magazine Buffer is popular among OEM manufacturers and CEMs with high automation or throughput ambitions. This unit offloads perpendicular to the SMT line and provides the highest level of automation and efficiency, allowing full magazine racks to be taken to the review station and reviewed in bulk for processing. Alarms can be set to reduce unwanted scrap, which will pause production.

Split End of Line Unloader:

This option is great for those who want the functionality of the NG Buffer but do not have the floor space or budget to invest in one. With a PLC modification to an unloader immediately downstream from AOI, certain magazine positions can be allocated to NG products, which can be separated from GD (good) products and sent to review. If there are more NG PCBAs than slots, the unloader moves to the next empty rack to avoid human error on separation.

In conclusion, as boards become more complex, the inspection process’s accuracy and automation become increasingly important to ensure electronic components’ longevity. The limitations of optical inspection systems cannot be overlooked, as they can cause false calls and escapes. 3D AOI systems are the answer, but it is crucial to look for systems that combine technologies with superior hardware to provide true 3D optical inspection solutions and help guarantee that the inspection process is faultless. By optimising post-AOI automation, manufacturers can increase their profitability while ensuring high-quality electronic components.

Difference Between 2D & 3D AOI

06Apr
by Admin  
0

AOI stands for Automated Optical Inspection, which is a process used in the electronics industry to inspect printed circuit boards (PCBs) for defects. AOI machines use high-resolution cameras and sophisticated image analysis software to detect various types of defects, such as missing components, misaligned parts, soldering defects, and other issues that can impact the functionality and reliability of the PCB.

There are two main types of AOI systems: 2D AOI and 3D AOI. The main difference between them is the way they capture and process images of the PCB. But let’s peek into some common differences between the two:

  1. Image capture: In 2D AOI, the camera captures 2D images of the PCB from a single viewpoint, while in 3D AOI, the camera captures multiple images of the PCB from different angles, allowing the software to create a 3D model of the board.
  2. Depth perception: 2D AOI has limited depth perception since it captures images from a single viewpoint. This makes it difficult to detect defects in complex or densely populated PCBs. In contrast, 3D AOI has much better depth perception, making it easier to detect defects that are hidden from a single viewpoint.
  3. Speed: 2D AOI is generally faster than 3D AOI since it captures images from a single viewpoint. This makes it more suitable for high-volume production lines where speed is critical.
  4. Accuracy: 3D AOI is generally more accurate than 2D AOI since it can detect defects that are hidden from a single viewpoint. This makes it more suitable for applications that require a high level of accuracy.
  5. Cost: 3D AOI is generally more expensive than 2D AOI since it requires more sophisticated hardware and software. This makes it less suitable for applications that require a lower cost of production.

In summary, 2D AOI is faster and less expensive, but has limited depth perception, while 3D AOI is slower and more expensive, but provides better depth perception and accuracy. The choice between the two depends on the specific needs of the application, including the complexity of the PCB, the required inspection speed and accuracy, and the cost of production.

Automated Optical Inspection (Aoi)

08Mar
by Admin  
0

Automated Optical Inspection or the AOI process is the method of inspection gaining popularity with the increasing usage of microelectronics. Over time, it has become an integral solution for the SMT industry. But what exactly is the AOI process?

As the name suggests, it is an automated visual inspection of the PCB in manufacturing. Post the assembly of components on the PCB, it is important to inspect it for any defects. For this, the AOI machine is used. The Air machine is equipped with a camera system to scan for any defects on the board which could further lead to board failure. It can be used at any stage of manufacturing i.e. pre or post-reflow or during both to ensure a flawless placement of PCB.

AOI inspects the PCB for any area defects. It helps ensure accurate component placement by identifying any component offset, absence or presence of components, component skew, flipped or severely damaged components. It also checks the solder joints for excessive or missing solder joints and ensures that there isn’t any wrong part or foreign element present on the PCB.

Types of AOI Inspection

AOI processors are available in two categories, the 3D AOI which is the latest version and its predecessor i.e. the 2D AOI, which was introduced somewhere in the early 1980s.  Despite being an age-old technology, with regular modifications, the 2D AOI is still very much dominating the market. However, the increasing complexity of PCB and reduced size of the PCBs have put 3D AOI ahead of 2D AOI.

  • 2D AOI: It is the most commonly used technology with multiple high-resolution cameras, 10 to 15 MP resolution, and precise lenses equipped to inspect tall devices of more than 5mm. The technology makes use of sophisticated inspection algorithms to detect any possible defects on the PCB. It is highly in demand because of its flexible inspection capabilities and is cost-effective. But it stands incapable of providing volumetric measurement data and true-co-planarity inspection.
  • 3D AOI: It is the latest technology that uses laser measurement especially to provide a 3D measurement of height-sensitive devices. Over years, it has been used mostly to inspect solder paste deposition on PCBs right after the screen-printing process. It comes in handy in detecting co-planarity defects that may have been ignored when inspecting through the 2D AOI process. It has a lesser false call rate than the 2D AOI and is capable of providing volumetric measurement data and true-co-planarity inspection. But it is an emerging technology with shadowing issues and high cost.

Whether it is the 2D AOI or the 3D AOI Technology, both aid in ensuring the quality of the PCB by providing incomparable reliability, especially in the case of complex boards with thousands of solder joints and intricate components.

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