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.

Presentación

Miniaturization with Help of Reduced Component to Component Spacing

Miniaturization and the integration of a growing number of functions in portable electronic devices require an extremely high packaging density for the active and passive components. There are .. leer más

Challenges of Manufacturing with Printed Circuit Board Cavities

Cavity technology in a Printed Circuit Board (PCB) has existed for many years. The methodology to create the cavity in the PCB has evolved over time as technologies have advanced and the manufa .. leer más

Alternative Concepts for High Speed,High Frequency and Signal Integration into the PCB

Transmission of data is a major driver in the electronics industry. Higher data volumes,high speed data transfer and short time signal transmission have to be realized to meet these requirement .. leer más

Printing of Solder Paste – A Quality Assurance Methodology

Solder paste printing is known to be one of the most difficult processes to quality assure in electronic manufacturing. The challenge increases as the technology development moves toward a mix .. leer más

Jetting Strategies for mBGAs a question of give and take...

The demands on volume delivery and positioning accuracy for solder paste deposits are increasing as the size and complexity of circuits continue to develop in the electronics industry. Accordin .. leer más

Implementing Embedded Component from Concept-To-Manufacturing

The utilization of embedded components has increased across many applications in various industries,and with rapid emergence of technologies and the need to secure IP,new methodologies are bein .. leer más

Embedded Components: A Comparative Analysis of Reliability Part II

In light of new process and product technologies in the field of embedded components,questions arise with respect to advantages and potential disadvantages to standard SMT component placement w .. leer más

Reliability of Embedded Planar Capacitors: A Review

Embedded capacitors offer board designers the ability to address the demands of high switching speeds and high I/O count packages while stemming the proliferation of minute decoupling capacitor .. leer más

Tin Whisker Risk Management by Conformal Coating

The objective of this study is to evaluate conformal coatings for mitigation of tin whisker growth. The conformal coatings chosen for the experiment are acrylic,polyurethane and parylene. The c .. leer más

Testing Printed Circuit Boards for Creep Corrosion in Flowers of Sulfur Chamber

The iNEMI technical subcommittee on creep corrosion is developing a flowers-of-sulfur (FOS) based qualification test for creep corrosion on printed-circuit boards (PCBs). The test setup consist .. leer más

Effectiveness of Conformal Coat to Prevent Corrosion of Nickel-palladium-gold-finished Terminals

Nickel-palladium-gold-finished terminals are susceptible to creep corrosion. Excessive creep corrosion can result in device failure due to insulation resistance loss between adjacent terminals. .. leer más

The Effect of Radiation Losses on High Frequency PCB Performance

This paper is an extension of an IPC paper [1] presented last year which addressed microwave insertion loss of common PCB transmission line circuits. Insertion loss of these circuits is made up .. leer más

Insertion Loss Reduction through Non-Roughening Inner-Layer Surface Treatments

As channel speeds approach 25 Gbps,near the expected maximum bandwidth for traditional copper-based PCBs,every available tool to minimize total insertion loss in the board material system will .. leer más

Solder Paste Stencil Design for Optimal QFN Yield and Reliability

The use of bottom terminated components (BTC) has become widespread,specifically the use of Quad Flat No-lead (QFN) packages. The small outline and low height of this package type,improved elec .. leer más

Reliability Study of Bottom Terminated Components

Bottom terminated components (BTC) are leadless components where terminations are protectively plated on the underside of the package. They are all slightly different and have different names,s .. leer más

AXI Applications with BTC and Connectors in Flextronics

Bottom Termination surface mount Components (BTC) are extremely popular because of their low cost,low stand-off height and excellent thermal and electrical properties. In this manufacturing are .. leer más

Color Logical Analysis Approach for LED Testing in Manufacturing

Complexity of test development for LED test and long LED test execution time in production are big challenges faced by the PCB manufacturing industry. This paper introduces a parallel multi-cha .. leer más

Reduce Design Time and Product Lifecycle Costs with Functional Blocks Common to Designs and Test Fixtures

This paper proposes an integrated design and test strategy which uses functional design blocks common to both designs and test fixtures,with the aim of saving time and money. Benefits of this s .. leer más

SJIT,Solder Joint Integrity Test,To Find Latent Defects in Printed Wiring Board

To find defects of solder joint in printed wiring board assembly,quite a few test methods have been developed so far. Capacitance method and IEEE 1149.1 or boundary scan method are often used t .. leer más

The use of an available Color Sensor for Burn-In of LED Products

In today’s world it is important that a product has sufficient accreditation that it can be enter many different market places. While accreditation can be a costly process,it is prudent to know .. leer más

Methodology to Predict Mechanical Strength and Pad Cratering Failures under BGA Pads on Printed Circuit Boards

In the past few years,several papers,test methods and methodologies have been developed to estimate pad cratering under Ball Grid Array (BGA) pads in Printed Circuit Board Assemblies (PCBAs). .. leer más

Double Reflow-Induced Interfacial Failures in Pb-free Ball Grid Array Solder Joints

Assembly defects can effectively shorten reliability lifetimes in addition to lowering manufacturing yields or creating premature service failures. This paper describes and characterizes an unu .. leer más

Rework and Reliability of High I/O Column Grid Array Assemblies

Commercial-off-the-shelf column grid array packaging (COTS CGA) technologies in high reliability versions are now being considered for use in a number of National Aeronautics and Space Administ .. leer más

Advanced Rework Technology and Processes for Next Generation Large Area Arrays,01005,PoP and QFN Devices

BGA Rework is now largely mature,although new supplemental processes that provide improved process control such as Solder Paste Dipping and Non-Contact Site Cleaning can now be integrated into .. leer más

EOS Exposure of Components in Soldering Process

This paper examines the nature; the consequences and the mitigation of electrical overstress (EOS) caused by electromagnetic interference (EMI),or electrical noise,on power lines and ground in .. leer más

Cleaning Of Assembled PCBs A Crucial Way of Enhancing Product Reliability and Avoiding Problems in the Field

Over the last years more and more International newspapers reported in Europe / USA and Japan: “Tunnel train got stuck under the Channel – thousands of people stranded “Recall of thousands of c .. leer más

Miniaturization with Help of Reduced Component to Component Spacing

Miniaturization and the integration of a growing number of functions in portable electronic devices require an extremely high packaging density for the active and passive components. There are .. leer más

Challenges of Manufacturing with Printed Circuit Board Cavities

Cavity technology in a Printed Circuit Board (PCB) has existed for many years. The methodology to create the cavity in the PCB has evolved over time as technologies have advanced and the manufa .. leer más

Alternative Concepts for High Speed,High Frequency and Signal Integration into the PCB

Transmission of data is a major driver in the electronics industry. Higher data volumes,high speed data transfer and short time signal transmission have to be realized to meet these requirement .. leer más

Printing of Solder Paste – A Quality Assurance Methodology

Solder paste printing is known to be one of the most difficult processes to quality assure in electronic manufacturing. The challenge increases as the technology development moves toward a mix .. leer más

Jetting Strategies for mBGAs a question of give and take...

The demands on volume delivery and positioning accuracy for solder paste deposits are increasing as the size and complexity of circuits continue to develop in the electronics industry. Accordin .. leer más

Implementing Embedded Component from Concept-To-Manufacturing

The utilization of embedded components has increased across many applications in various industries,and with rapid emergence of technologies and the need to secure IP,new methodologies are bein .. leer más

Embedded Components: A Comparative Analysis of Reliability Part II

In light of new process and product technologies in the field of embedded components,questions arise with respect to advantages and potential disadvantages to standard SMT component placement w .. leer más

Reliability of Embedded Planar Capacitors: A Review

Embedded capacitors offer board designers the ability to address the demands of high switching speeds and high I/O count packages while stemming the proliferation of minute decoupling capacitor .. leer más

Tin Whisker Risk Management by Conformal Coating

The objective of this study is to evaluate conformal coatings for mitigation of tin whisker growth. The conformal coatings chosen for the experiment are acrylic,polyurethane and parylene. The c .. leer más

Testing Printed Circuit Boards for Creep Corrosion in Flowers of Sulfur Chamber

The iNEMI technical subcommittee on creep corrosion is developing a flowers-of-sulfur (FOS) based qualification test for creep corrosion on printed-circuit boards (PCBs). The test setup consist .. leer más

Effectiveness of Conformal Coat to Prevent Corrosion of Nickel-palladium-gold-finished Terminals

Nickel-palladium-gold-finished terminals are susceptible to creep corrosion. Excessive creep corrosion can result in device failure due to insulation resistance loss between adjacent terminals. .. leer más

The Effect of Radiation Losses on High Frequency PCB Performance

This paper is an extension of an IPC paper [1] presented last year which addressed microwave insertion loss of common PCB transmission line circuits. Insertion loss of these circuits is made up .. leer más

Insertion Loss Reduction through Non-Roughening Inner-Layer Surface Treatments

As channel speeds approach 25 Gbps,near the expected maximum bandwidth for traditional copper-based PCBs,every available tool to minimize total insertion loss in the board material system will .. leer más

Solder Paste Stencil Design for Optimal QFN Yield and Reliability

The use of bottom terminated components (BTC) has become widespread,specifically the use of Quad Flat No-lead (QFN) packages. The small outline and low height of this package type,improved elec .. leer más

Reliability Study of Bottom Terminated Components

Bottom terminated components (BTC) are leadless components where terminations are protectively plated on the underside of the package. They are all slightly different and have different names,s .. leer más

AXI Applications with BTC and Connectors in Flextronics

Bottom Termination surface mount Components (BTC) are extremely popular because of their low cost,low stand-off height and excellent thermal and electrical properties. In this manufacturing are .. leer más

Color Logical Analysis Approach for LED Testing in Manufacturing

Complexity of test development for LED test and long LED test execution time in production are big challenges faced by the PCB manufacturing industry. This paper introduces a parallel multi-cha .. leer más

Reduce Design Time and Product Lifecycle Costs with Functional Blocks Common to Designs and Test Fixtures

This paper proposes an integrated design and test strategy which uses functional design blocks common to both designs and test fixtures,with the aim of saving time and money. Benefits of this s .. leer más

SJIT,Solder Joint Integrity Test,To Find Latent Defects in Printed Wiring Board

To find defects of solder joint in printed wiring board assembly,quite a few test methods have been developed so far. Capacitance method and IEEE 1149.1 or boundary scan method are often used t .. leer más

The use of an available Color Sensor for Burn-In of LED Products

In today’s world it is important that a product has sufficient accreditation that it can be enter many different market places. While accreditation can be a costly process,it is prudent to know .. leer más

Methodology to Predict Mechanical Strength and Pad Cratering Failures under BGA Pads on Printed Circuit Boards

In the past few years,several papers,test methods and methodologies have been developed to estimate pad cratering under Ball Grid Array (BGA) pads in Printed Circuit Board Assemblies (PCBAs). .. leer más

Double Reflow-Induced Interfacial Failures in Pb-free Ball Grid Array Solder Joints

Assembly defects can effectively shorten reliability lifetimes in addition to lowering manufacturing yields or creating premature service failures. This paper describes and characterizes an unu .. leer más

Rework and Reliability of High I/O Column Grid Array Assemblies

Commercial-off-the-shelf column grid array packaging (COTS CGA) technologies in high reliability versions are now being considered for use in a number of National Aeronautics and Space Administ .. leer más

Advanced Rework Technology and Processes for Next Generation Large Area Arrays,01005,PoP and QFN Devices

BGA Rework is now largely mature,although new supplemental processes that provide improved process control such as Solder Paste Dipping and Non-Contact Site Cleaning can now be integrated into .. leer más

EOS Exposure of Components in Soldering Process

This paper examines the nature; the consequences and the mitigation of electrical overstress (EOS) caused by electromagnetic interference (EMI),or electrical noise,on power lines and ground in .. leer más

Cleaning Of Assembled PCBs A Crucial Way of Enhancing Product Reliability and Avoiding Problems in the Field

Over the last years more and more International newspapers reported in Europe / USA and Japan: “Tunnel train got stuck under the Channel – thousands of people stranded “Recall of thousands of c .. leer más