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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Solve BGA VIPPO Failures with Advanced Materials
Optimal breakout of ultra-fine-pitch ball grid array (BGA) packages requires a mix of via structures – through and blind mechanical, stacked and staggered laser – often implemented in thicke
.. read more
New Developments in PCB Laminates
There are few halogen free flame retardant laminates available and for those on the market currently,they are not considered mid loss and thermally stable. Theta circuit materials appear to be
.. read more
Use of Lead-Free Laminate DMA and TMA Data to Develop Stress versus Temperature Relationships for Predicting Plated Hole Reliability
Accelerated testing of plated hole life is necessary for economic reasons due to the long time to failure during field operating conditions. One difficulty in performing accelerated testing on
.. read more
An Analytical Characterization and Comparison of Adhesion Test for PCBs
Interest in the adhesive strength of PCBs has recently come to the forefront of the industry. This has been driven by the advent of lead free soldering processes which severely stress the mecha
.. read more
Resin Options for Lead-Free Printed Circuit Boards
The regulation requiring lead-free solders for printed circuit boards (PCBs) has presented a number of challenges to our industry at virtually every stage of the process. For the brominated epo
.. read more
New Methods to Efficiently Test the Reliability of Plated Vias and to Model Plated Via Life from Laminate Material Data
This paper continues work by Sun Microsystems and the University of Maryland,CALCE[1] to predict plated through via life using laminate material properties,plated copper material properties,and
.. read more
Lessons Learned About Laminates during Migration to Lead-Free Soldering
This paper provides a high-level overview of many of the key lessons learned thus far in working with PCB fabricators in qualifying laminate/fabrication processes that will yield fundamental pr
.. read more
Lead Free Processing and other Thermal Challenges for Flexible Printed Circuits
In this paper,factors that influence the ability for a flex circuit,especially a multilayer flex circuit,to survive the lead-free soldering and other thermal processes during the circuit fabric
.. read more
Effects of Adhesion Promotion Treatment On Electrical Signal Attenuation
Oxide alternatives,as well as traditional and reduced oxide chemistries,are coatings or “adhesion promoters” used to enhance the bond between imaged and etched inner layer copper surfaces and t
.. read more
BGA Solder Joint Mechanical Risk Assessment during System Level Shock Test
The pressure to reduce overall form-factor size in the high volume chassis desktop market is driving the need to integrate components at the system level. Adding to the challenge of size reduct
.. read more
Lead Free Assembly Impacts on Laminate Material Properties and “Pad Crater” Failures
Printed circuit board (PCB) feature sizes are decreasing to support increasing density thrusts for electronic products and packaging. The transition to lead-free products has changed the stress
.. read more
Lead Free Soldering: Impact on Laminates Requirements
Different legislations or draft directives target the restriction or the ban of the use of lead in the world. The law banning
lead-bearing electronic products (with a few exemptions) in the Eur
.. read more
Characterization of the Thermal Stability of Electrical Laminates Suitable for Lead-Free Soldering
Lead-free soldering is expected to become the new standard in the future. Different legislations or draft directives target the restriction or the ban of the use of lead in the world. As an exa
.. read more
An Issue in Time to Delamination (T260) Testing for PCBs
It has been reported by several laboratories that the time to delamination or decomposition of a printed circuit board specimen
at 260°C decreases with the specimen thickness. A temperature gra
.. read more
A Comparison of PCB Adhesion Test Methods and Adhesion Promoters
Interest in the adhesive strength of PCBs has recently come to the forefront of the industry. This has been driven by the
advent of lead free soldering processes that severely stress the mechan
.. read more
Thermal Mechanical Analysis T-260 Printed Wiring Board Testing
Evaluation of printed wiring boards (PWBs) for thermal reliability during assembly and rework operations by Thermal
Mechanical Analyzer (TMA) “T-260” testing has been an accepted practice for m
.. read more
An Assessment of the Impact of Lead-Free Assembly Processes on Base Material and PCB Reliability
Environmental regulations are forcing the elimination of lead (Pb) from electronic equipment. Solders containing lead have
been the standard in printed circuit assembly processes. Lead-free sol
.. read more
Application of Thermal Analysis Techniques to Determine Performance Entitlement of Base Materials through Assembly
Multiple soldering assembly steps are essentially
standard for PWBs based on current technologies and
needs. A variety of tests are currently in use to
evaluate the performance of finished PWBs
.. read more
Solve BGA VIPPO Failures with Advanced Materials
Optimal breakout of ultra-fine-pitch ball grid array (BGA) packages requires a mix of via structures – through and blind mechanical, stacked and staggered laser – often implemented in thicke
.. read more
New Developments in PCB Laminates
There are few halogen free flame retardant laminates available and for those on the market currently,they are not considered mid loss and thermally stable. Theta circuit materials appear to be
.. read more
Use of Lead-Free Laminate DMA and TMA Data to Develop Stress versus Temperature Relationships for Predicting Plated Hole Reliability
Accelerated testing of plated hole life is necessary for economic reasons due to the long time to failure during field operating conditions. One difficulty in performing accelerated testing on
.. read more
An Analytical Characterization and Comparison of Adhesion Test for PCBs
Interest in the adhesive strength of PCBs has recently come to the forefront of the industry. This has been driven by the advent of lead free soldering processes which severely stress the mecha
.. read more
Resin Options for Lead-Free Printed Circuit Boards
The regulation requiring lead-free solders for printed circuit boards (PCBs) has presented a number of challenges to our industry at virtually every stage of the process. For the brominated epo
.. read more
New Methods to Efficiently Test the Reliability of Plated Vias and to Model Plated Via Life from Laminate Material Data
This paper continues work by Sun Microsystems and the University of Maryland,CALCE[1] to predict plated through via life using laminate material properties,plated copper material properties,and
.. read more
Lessons Learned About Laminates during Migration to Lead-Free Soldering
This paper provides a high-level overview of many of the key lessons learned thus far in working with PCB fabricators in qualifying laminate/fabrication processes that will yield fundamental pr
.. read more
Lead Free Processing and other Thermal Challenges for Flexible Printed Circuits
In this paper,factors that influence the ability for a flex circuit,especially a multilayer flex circuit,to survive the lead-free soldering and other thermal processes during the circuit fabric
.. read more
Effects of Adhesion Promotion Treatment On Electrical Signal Attenuation
Oxide alternatives,as well as traditional and reduced oxide chemistries,are coatings or “adhesion promoters” used to enhance the bond between imaged and etched inner layer copper surfaces and t
.. read more
BGA Solder Joint Mechanical Risk Assessment during System Level Shock Test
The pressure to reduce overall form-factor size in the high volume chassis desktop market is driving the need to integrate components at the system level. Adding to the challenge of size reduct
.. read more
Lead Free Assembly Impacts on Laminate Material Properties and “Pad Crater” Failures
Printed circuit board (PCB) feature sizes are decreasing to support increasing density thrusts for electronic products and packaging. The transition to lead-free products has changed the stress
.. read more
Lead Free Soldering: Impact on Laminates Requirements
Different legislations or draft directives target the restriction or the ban of the use of lead in the world. The law banning
lead-bearing electronic products (with a few exemptions) in the Eur
.. read more
Characterization of the Thermal Stability of Electrical Laminates Suitable for Lead-Free Soldering
Lead-free soldering is expected to become the new standard in the future. Different legislations or draft directives target the restriction or the ban of the use of lead in the world. As an exa
.. read more
An Issue in Time to Delamination (T260) Testing for PCBs
It has been reported by several laboratories that the time to delamination or decomposition of a printed circuit board specimen
at 260°C decreases with the specimen thickness. A temperature gra
.. read more
A Comparison of PCB Adhesion Test Methods and Adhesion Promoters
Interest in the adhesive strength of PCBs has recently come to the forefront of the industry. This has been driven by the
advent of lead free soldering processes that severely stress the mechan
.. read more
Thermal Mechanical Analysis T-260 Printed Wiring Board Testing
Evaluation of printed wiring boards (PWBs) for thermal reliability during assembly and rework operations by Thermal
Mechanical Analyzer (TMA) “T-260” testing has been an accepted practice for m
.. read more
An Assessment of the Impact of Lead-Free Assembly Processes on Base Material and PCB Reliability
Environmental regulations are forcing the elimination of lead (Pb) from electronic equipment. Solders containing lead have
been the standard in printed circuit assembly processes. Lead-free sol
.. read more
Application of Thermal Analysis Techniques to Determine Performance Entitlement of Base Materials through Assembly
Multiple soldering assembly steps are essentially
standard for PWBs based on current technologies and
needs. A variety of tests are currently in use to
evaluate the performance of finished PWBs
.. read more