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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SMT Assembly of LGA Components and SMT Rework with Low Temperature Solder Alloy
Low Temperature Solder (LTS) is increasingly being used as a replacement for SAC305 solder alloy. Processing with LTS can reduce energy costs and impact on the environment while also reducin
.. read more
Anti-Slump SiP Solder Paste Enables Further Miniaturization
In this study, a patent-pending new solder paste material has been developed for assembly of System in Package (SiP) with outstanding slump resistance without compromising the paste volume p
.. read more
An Interesting Approach toYield Improvement
Whilst many forward-thinking companies invest time, effort and cost into up front work to fix snags which would lead to issues with yield during production, this paper shows the efforts of a
.. read more
Effect of QFN I/O Pad Solder Paste Overprint on Thermal Pad Void Reduction
QFN-Quad Flat No-lead SMT-surface mount technology components continue to be increasingly used and also becoming smaller for applications further requiring a high level of thermal performanc
.. read more
Selecting Stencil Technologies to Optimize Print Performance
The SMT stencil is a key factor in the solder paste printing process. It has been shown repeatedly that print quality has the largest impact on end-of-line quality,and a good print process can
.. read more
Beyond 0402M Placement: Process Considerations for 03015M Microchip Mounting
The printed circuit board assembly industry has long embraced the “Smaller,Lighter,Faster” mantra for electronic devices,especially in our ubiquitous mobile devices. As manufacturers increase s
.. read more
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
.. read more
Two Print Stencils Systems
The Two print stencils process has been a very useful tool in SMT Assembly and Package Assembly. It is also useful in Assemblies that require mixed technologies; including SMT / Through Hole,SM
.. read more
Printing and Assembly Challenges for QFN Devices
Although QFN devices present a challenge to the SMT assembly process with proper stencil design,proper stencil technology selection (Laser,Electroform,Nano-Coat),and proper PCB solder mask layo
.. read more
Key Issues in Bottom Termination Component (BTC) Design and Assembly for Improved Reliability and Yield
With the release of IPC 7093,"Design and Assembly Process Implementation for Bottom Termination SMT Components," earlier this year,the term BTC is the newest acronym to enter the world of SMT.
.. read more
Stencil Design Considerations to Improve Drop Test Performance
Future handheld electronic products will be slimmer than today and deliver more functions,enabled by innovative electronics
packaging design using smaller components with greater I/Os assembled
.. read more
Telecommunications Case Studies Address Head-In-Pillow (Hnp) Defects and Mitigation through Assembly Process Modifications and Control
One of the most perplexing phenomena in the electronic manufacturing industry today is the defect called “head-in-pillow.”
Head-in-Pillow (HnP) defects occur on the blind solder joints of area
.. read more
Addressing the Challenge of Head-In-Pillow Defects in Electronics Assembly
The head-in-pillow defect has become a relatively common failure mode in the industry since the implementation of Pb-free
technologies,generating much concern. A head-in-pillow defect is the in
.. read more
Fine Powder Solder Paste Applications for Semiconductor Packaging
Fine solder powder paste applications continue to grow as a cost effective solution to many semiconductor packaging needs. Applications for solder paste continue to evolve from the standard SMT
.. read more
Methods for Choosing a Saponifier or Surfactant for Printed Circuit Board and Stencil Cleaning Applications
This paper will discuss the technical challenges associated with the selection of chemical additive for the printed circuit board assembly (PCBA) and stencil cleaning processes. The removal of
.. read more
Mass Reflow Assembly of 01005 Components
As the electronics assembly industry adjusts to building boards with 0201 components,the next level of shrinkage for chip components is just around the corner with the emergence of 01005s. A ke
.. read more
Determining Area Ratio Rule for Type 4 and Type 5 Solder Paste
Stencil design is one of the key factors in determining how well any particular stencil will print solder paste. Today’s high volume,24 hour a day,seven days a week manufacturing operations req
.. read more
Process Development and Characterization of the Stencil Printing Process for Small Apertures
The consumer’s interest for smaller,lighter and higher performance electronics products has increased the use of ultra fine pitch packages,such as Flip Chips and Chip Scale Packages,in printed
.. read more
Investigation into the Mass Imaging aspects of 0.3mm Wafer Level Chip Scale Package solder paste deposition
fast approaching this horizon is the 0.3mm CSP. This device represents a major assembly revolution within the Surface mount assembly (SMT) arena. The implementation of this device will require
.. read more
Bumping BGA’s Using Solder Paste Printing Process for RFI Shields Packaging
One manufacturing process used to attach RFI shields for medical applications/cellular phone circuit board assemblies
consists of “snapping” the shell-like shields onto solder spheres that are
.. read more
Lead Free Solder Paste Printing: Stencil and Squeegee Blade Impact
Rarely does a day pass by without a discussion centered on lead free manufacturing and it’s future impact on global
electronics assembly. The WEEE and RoHS directives drafted in January 2003 wi
.. read more
Lead Free Solder Paste Printing: Stencil and Squeegee Blade Impact
Rarely does a day pass by without a discussion centered on lead free manufacturing and it’s future impact on global
electronics assembly. The WEEE and RoHS directives drafted in January 2003 wi
.. read more
Understanding Stencil Requirements for a Lead Free Mass Imaging Process
Many words have been written about the impending lead free transition,during this period of frantic discovery lots has
been communicated about the reflow and alloy concerns; But the print proce
.. read more
S0201 Process and Yield Improvement During Launch to Production
Part miniaturization is inevitable in surface mount assembly. With each shift to smaller component types,new critical process
parameters emerge and old process parameters become significantly m
.. read more
Process for Plugging Low to High Aspect Ratio Through-Holes with Polymer Thick Film Conductive Ink in Production Volumes
With an increasing number of designers specifying conductive material for plugging through-holes,a more robust process to
produce 100% fill is needed for the whole range of aspect ratios. With
.. read more
EMS/OEM Interaction: Maximizing Benefit by Optimizing Communication
The relationship between the OEM and the EMS provider (Electronic Manufacturing Services) has evolved with the
increase in outsourcing of manufacturing services. This has resulted in the conseq
.. read more
SMT Assembly Process Comparison of Pb-free Alloy Systems
This paper provides an assembly process comparison of Pb-free alloys with a Sn/Pb alloy using a test vehicle
designed to resemble real world manufacturing applications. Four different Pb-free a
.. read more
SMT Assembly of LGA Components and SMT Rework with Low Temperature Solder Alloy
Low Temperature Solder (LTS) is increasingly being used as a replacement for SAC305 solder alloy. Processing with LTS can reduce energy costs and impact on the environment while also reducin
.. read more
Anti-Slump SiP Solder Paste Enables Further Miniaturization
In this study, a patent-pending new solder paste material has been developed for assembly of System in Package (SiP) with outstanding slump resistance without compromising the paste volume p
.. read more
An Interesting Approach toYield Improvement
Whilst many forward-thinking companies invest time, effort and cost into up front work to fix snags which would lead to issues with yield during production, this paper shows the efforts of a
.. read more
Effect of QFN I/O Pad Solder Paste Overprint on Thermal Pad Void Reduction
QFN-Quad Flat No-lead SMT-surface mount technology components continue to be increasingly used and also becoming smaller for applications further requiring a high level of thermal performanc
.. read more
Selecting Stencil Technologies to Optimize Print Performance
The SMT stencil is a key factor in the solder paste printing process. It has been shown repeatedly that print quality has the largest impact on end-of-line quality,and a good print process can
.. read more
Beyond 0402M Placement: Process Considerations for 03015M Microchip Mounting
The printed circuit board assembly industry has long embraced the “Smaller,Lighter,Faster” mantra for electronic devices,especially in our ubiquitous mobile devices. As manufacturers increase s
.. read more
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
.. read more
Two Print Stencils Systems
The Two print stencils process has been a very useful tool in SMT Assembly and Package Assembly. It is also useful in Assemblies that require mixed technologies; including SMT / Through Hole,SM
.. read more
Printing and Assembly Challenges for QFN Devices
Although QFN devices present a challenge to the SMT assembly process with proper stencil design,proper stencil technology selection (Laser,Electroform,Nano-Coat),and proper PCB solder mask layo
.. read more
Key Issues in Bottom Termination Component (BTC) Design and Assembly for Improved Reliability and Yield
With the release of IPC 7093,"Design and Assembly Process Implementation for Bottom Termination SMT Components," earlier this year,the term BTC is the newest acronym to enter the world of SMT.
.. read more
Stencil Design Considerations to Improve Drop Test Performance
Future handheld electronic products will be slimmer than today and deliver more functions,enabled by innovative electronics
packaging design using smaller components with greater I/Os assembled
.. read more
Telecommunications Case Studies Address Head-In-Pillow (Hnp) Defects and Mitigation through Assembly Process Modifications and Control
One of the most perplexing phenomena in the electronic manufacturing industry today is the defect called “head-in-pillow.”
Head-in-Pillow (HnP) defects occur on the blind solder joints of area
.. read more
Addressing the Challenge of Head-In-Pillow Defects in Electronics Assembly
The head-in-pillow defect has become a relatively common failure mode in the industry since the implementation of Pb-free
technologies,generating much concern. A head-in-pillow defect is the in
.. read more
Fine Powder Solder Paste Applications for Semiconductor Packaging
Fine solder powder paste applications continue to grow as a cost effective solution to many semiconductor packaging needs. Applications for solder paste continue to evolve from the standard SMT
.. read more
Methods for Choosing a Saponifier or Surfactant for Printed Circuit Board and Stencil Cleaning Applications
This paper will discuss the technical challenges associated with the selection of chemical additive for the printed circuit board assembly (PCBA) and stencil cleaning processes. The removal of
.. read more
Mass Reflow Assembly of 01005 Components
As the electronics assembly industry adjusts to building boards with 0201 components,the next level of shrinkage for chip components is just around the corner with the emergence of 01005s. A ke
.. read more
Determining Area Ratio Rule for Type 4 and Type 5 Solder Paste
Stencil design is one of the key factors in determining how well any particular stencil will print solder paste. Today’s high volume,24 hour a day,seven days a week manufacturing operations req
.. read more
Process Development and Characterization of the Stencil Printing Process for Small Apertures
The consumer’s interest for smaller,lighter and higher performance electronics products has increased the use of ultra fine pitch packages,such as Flip Chips and Chip Scale Packages,in printed
.. read more
Investigation into the Mass Imaging aspects of 0.3mm Wafer Level Chip Scale Package solder paste deposition
fast approaching this horizon is the 0.3mm CSP. This device represents a major assembly revolution within the Surface mount assembly (SMT) arena. The implementation of this device will require
.. read more
Bumping BGA’s Using Solder Paste Printing Process for RFI Shields Packaging
One manufacturing process used to attach RFI shields for medical applications/cellular phone circuit board assemblies
consists of “snapping” the shell-like shields onto solder spheres that are
.. read more
Lead Free Solder Paste Printing: Stencil and Squeegee Blade Impact
Rarely does a day pass by without a discussion centered on lead free manufacturing and it’s future impact on global
electronics assembly. The WEEE and RoHS directives drafted in January 2003 wi
.. read more
Lead Free Solder Paste Printing: Stencil and Squeegee Blade Impact
Rarely does a day pass by without a discussion centered on lead free manufacturing and it’s future impact on global
electronics assembly. The WEEE and RoHS directives drafted in January 2003 wi
.. read more
Understanding Stencil Requirements for a Lead Free Mass Imaging Process
Many words have been written about the impending lead free transition,during this period of frantic discovery lots has
been communicated about the reflow and alloy concerns; But the print proce
.. read more
S0201 Process and Yield Improvement During Launch to Production
Part miniaturization is inevitable in surface mount assembly. With each shift to smaller component types,new critical process
parameters emerge and old process parameters become significantly m
.. read more
Process for Plugging Low to High Aspect Ratio Through-Holes with Polymer Thick Film Conductive Ink in Production Volumes
With an increasing number of designers specifying conductive material for plugging through-holes,a more robust process to
produce 100% fill is needed for the whole range of aspect ratios. With
.. read more
EMS/OEM Interaction: Maximizing Benefit by Optimizing Communication
The relationship between the OEM and the EMS provider (Electronic Manufacturing Services) has evolved with the
increase in outsourcing of manufacturing services. This has resulted in the conseq
.. read more
SMT Assembly Process Comparison of Pb-free Alloy Systems
This paper provides an assembly process comparison of Pb-free alloys with a Sn/Pb alloy using a test vehicle
designed to resemble real world manufacturing applications. Four different Pb-free a
.. read more