Knowledge Hub

Your Gateway to Technical Knowledge Exchange for the Global Electronics Community

Explore our database of industry knowledge that fuels innovation, learning, and professional growth. Knowledge Hub is a collection of conference technical papers, webinars, presentations, on-demand video and more. You can search by author, title, keyword and type of content. You can also search for keywords and topics in the Tag field. Access to Knowledge Hub is reserved for members.

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TDI Imaging: An Efficient AOI and AXI Tool

As a result of heightened requirements for quality,integrity and reliability of electronic products,the role of wafer auditing and nondestructive testing of printed circuit boards and electroni .. read more

Analysis of Optical Inspection from AOI and AVI machines

In PCB industry,Optical Inspection has been grown rapidly in past decades. It is now playing an important role in manufacturing process. Most manufacturers are now using AOI machines to report .. read more

Analysis on Combination of AOI and AVI machines

In PCB industry,AOI (Automated Optical Inspection) has been grown rapidly in past decades. It is now playing an important role in manufacturing process. Most manufacturers are now using AOI m .. read more

Benefits and Limitations of Universal,low-pin count Automated Test Equipment for Printed Circuit Assemblies

This paper discusses the benefits and limitations of universal,low-pin count Automated Test Equipment for Printed Circuit Assembly (PCA) testing utilizing the test access port (TAP) defined in .. read more

Poor Metrology: The Hidden Cost

Doing more with less has been the standard operating procedure in manufacturing over the past ten years. Everyone is looking for areas where they can cut corners,maintain quality,and improve pr .. read more

To be or not to be in Color: A 10 year study of the benefits and pitfalls of including color...

Imagine that you were choosing a camera for your AOI system. Should you opt for a black and white camera or a color camera? This seems like a no-brainer. Most of us would go for a color camera. .. read more

The Landscape of PCB Technology is changing rapidly. How Will AOI Testing Keep Up?

Ideas,manufacturing processes,materials and components that were in the realm of science fiction a few years ago are now being adopted into mainstream PCB products. Devices are getting smaller, .. read more

To be or not to be (before reflow): That is the question (in AOI)

Rarely do PCB manufacturers have the resources for purchasing an inspection machine for every stage of the manufacturing process. Typically,therefore,they have to decide whether to deploy AOI p .. read more

Results from 2007 Industry Defect Level and Test Effectiveness Studies

To select an optimal test strategy,good knowledge of defect levels and test effectiveness are two very important factors to include. In 1999 an industry defect level study was completed and was .. read more

How to Achieve 40 Microns (1.6 Mil) Placement Spacing with E01005/M0402

When trying to achieve 40 microns of placement spacing,bridges and tombstones may occur due to the variation of the component dimensions,equipment accuracy and pickup position variations. Hawse .. read more

A New AOI Programming and Inspection Paradigm Based On Recent Studies in Neuroscience Reduces the Need for Human Intervention and...

The hidden cost of optical inspection systems is often in the programming time. In this paper we discuss a new AOI programming and inspection paradigm reduces the need for human intervention an .. read more

Improving SMT Yield with AOI and AXI Test Results Analysis

As printed circuit board assembly (PCBA) becomes more complex,Automatic Optical Inspection (AOI) and Automatic Xray Inspection (AXI) systems are becoming more widely used in electronics manufac .. read more

What’s Process Control Good For? Real Data from Real Sites

This paper presents data collected from a set of electronics manufacturers using an automated optical inspection post-place system for the purpose of both defect detection and process-control a .. read more

Automating Tolerance to Process Variation

No two printed circuit boards look exactly alike. Even across two adjacent boards on an assembly line,one can find significant differences arising out of normal process variation – the componen .. read more

Test and Inspection of Lead-Free Assemblies

Major industrial nations,around the world,are rapidly moving to eliminate lead from the electronic manufacturing processes. While some companies are taking advantage of the situation and are us .. read more

Comparative Evaluation of AOI Systems

The electronic industry trend of smaller component packages and tighter spacing has put greater demands on manufacturing for process control and product verification. Defects must be caught ear .. read more

Cost-Effective Placement Machine Capability Analysis and Process Control

New component packaging formats create the need for greater production process stability,reproducibility and precision. This leads to a growing demand for process control solutions. As manufact .. read more

AOI in EMS

As outsource to EMS,the requirement for Automated Optical Inspection (AOI) equipment changes as well. Due to the diversity of the business,EMS providers require equipment that can handle a myri .. read more

Biologically Inspired Vision Makes for Smarter PCBA Manufacturing Technology - New Technologies Overcome Fundamental Limitations of Conventional Optical Inspection Methods

For test engineers and managers,automated optical inspection (AOI) systems have emerged as a countermeasure to the growing threats of lost physical or electrical access to assembled PCB. AOI sy .. read more

Automated Optical Inspection (AOI) - A Yield Management Solution for the High Density Interconnection (HDI) - Flexible Circuit Industry

The information age has arrived. A growing percentage of the Earth’s population now has access to pagers,cellular phones,computers,personal digital assistants (PDA’s),and a host of other electr .. read more

AOI Performance in the EMS Environment: A Two Year Review

Automated Optical Inspection (AOI) equipment has become an option for electronics manufacturers who are considering how to improve performance on the production line. During the last few years .. read more

AOI/AXI Combinational Inspection Strategy

The purpose of this study is to understand the capability of both AOI and AXI machines and where the two could be combined to increase the inspection coverage,reduce the overall cycle time of t .. read more

TDI Imaging: An Efficient AOI and AXI Tool

As a result of heightened requirements for quality,integrity and reliability of electronic products,the role of wafer auditing and nondestructive testing of printed circuit boards and electroni .. read more

Analysis of Optical Inspection from AOI and AVI machines

In PCB industry,Optical Inspection has been grown rapidly in past decades. It is now playing an important role in manufacturing process. Most manufacturers are now using AOI machines to report .. read more

Analysis on Combination of AOI and AVI machines

In PCB industry,AOI (Automated Optical Inspection) has been grown rapidly in past decades. It is now playing an important role in manufacturing process. Most manufacturers are now using AOI m .. read more

Benefits and Limitations of Universal,low-pin count Automated Test Equipment for Printed Circuit Assemblies

This paper discusses the benefits and limitations of universal,low-pin count Automated Test Equipment for Printed Circuit Assembly (PCA) testing utilizing the test access port (TAP) defined in .. read more

Poor Metrology: The Hidden Cost

Doing more with less has been the standard operating procedure in manufacturing over the past ten years. Everyone is looking for areas where they can cut corners,maintain quality,and improve pr .. read more

To be or not to be in Color: A 10 year study of the benefits and pitfalls of including color...

Imagine that you were choosing a camera for your AOI system. Should you opt for a black and white camera or a color camera? This seems like a no-brainer. Most of us would go for a color camera. .. read more

The Landscape of PCB Technology is changing rapidly. How Will AOI Testing Keep Up?

Ideas,manufacturing processes,materials and components that were in the realm of science fiction a few years ago are now being adopted into mainstream PCB products. Devices are getting smaller, .. read more

To be or not to be (before reflow): That is the question (in AOI)

Rarely do PCB manufacturers have the resources for purchasing an inspection machine for every stage of the manufacturing process. Typically,therefore,they have to decide whether to deploy AOI p .. read more

Results from 2007 Industry Defect Level and Test Effectiveness Studies

To select an optimal test strategy,good knowledge of defect levels and test effectiveness are two very important factors to include. In 1999 an industry defect level study was completed and was .. read more

How to Achieve 40 Microns (1.6 Mil) Placement Spacing with E01005/M0402

When trying to achieve 40 microns of placement spacing,bridges and tombstones may occur due to the variation of the component dimensions,equipment accuracy and pickup position variations. Hawse .. read more

A New AOI Programming and Inspection Paradigm Based On Recent Studies in Neuroscience Reduces the Need for Human Intervention and...

The hidden cost of optical inspection systems is often in the programming time. In this paper we discuss a new AOI programming and inspection paradigm reduces the need for human intervention an .. read more

Improving SMT Yield with AOI and AXI Test Results Analysis

As printed circuit board assembly (PCBA) becomes more complex,Automatic Optical Inspection (AOI) and Automatic Xray Inspection (AXI) systems are becoming more widely used in electronics manufac .. read more

What’s Process Control Good For? Real Data from Real Sites

This paper presents data collected from a set of electronics manufacturers using an automated optical inspection post-place system for the purpose of both defect detection and process-control a .. read more

Automating Tolerance to Process Variation

No two printed circuit boards look exactly alike. Even across two adjacent boards on an assembly line,one can find significant differences arising out of normal process variation – the componen .. read more

Test and Inspection of Lead-Free Assemblies

Major industrial nations,around the world,are rapidly moving to eliminate lead from the electronic manufacturing processes. While some companies are taking advantage of the situation and are us .. read more

Comparative Evaluation of AOI Systems

The electronic industry trend of smaller component packages and tighter spacing has put greater demands on manufacturing for process control and product verification. Defects must be caught ear .. read more

Cost-Effective Placement Machine Capability Analysis and Process Control

New component packaging formats create the need for greater production process stability,reproducibility and precision. This leads to a growing demand for process control solutions. As manufact .. read more

AOI in EMS

As outsource to EMS,the requirement for Automated Optical Inspection (AOI) equipment changes as well. Due to the diversity of the business,EMS providers require equipment that can handle a myri .. read more

Biologically Inspired Vision Makes for Smarter PCBA Manufacturing Technology - New Technologies Overcome Fundamental Limitations of Conventional Optical Inspection Methods

For test engineers and managers,automated optical inspection (AOI) systems have emerged as a countermeasure to the growing threats of lost physical or electrical access to assembled PCB. AOI sy .. read more

Automated Optical Inspection (AOI) - A Yield Management Solution for the High Density Interconnection (HDI) - Flexible Circuit Industry

The information age has arrived. A growing percentage of the Earth’s population now has access to pagers,cellular phones,computers,personal digital assistants (PDA’s),and a host of other electr .. read more

AOI Performance in the EMS Environment: A Two Year Review

Automated Optical Inspection (AOI) equipment has become an option for electronics manufacturers who are considering how to improve performance on the production line. During the last few years .. read more

AOI/AXI Combinational Inspection Strategy

The purpose of this study is to understand the capability of both AOI and AXI machines and where the two could be combined to increase the inspection coverage,reduce the overall cycle time of t .. read more