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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Study on Solder Joint Reliability of Fine Pitch CSP
Nowadays,consumer electronic product is characterized with miniature,portable,light and high performance,especially for 3G mobile products. More and more fine pitch CSPs (0.4mm) come forth as t
.. read more
Assembly and Reliability of 1704 I/O FCBGA and FPBGAs
Commercial-off-the-shelf ball/column grid array packaging (COTS BGA/CGA) technologies in high reliability versions are now being considered for use in a number of National Aeronautics and Space
.. read more
DFM Rules for Smartphones: An Analysis of Yield on Extremely Dense Assemblies
Handheld portable products such as smartphones are trending toward smaller form factors while simultaneously increasing in functionality to keep up with consumer demands. This is achieved in pa
.. read more
A Revolutionary Printing Solution for Heterogeneous Surface Mount Assembly
As consumers the expectation of increased functionality within new products is a given. However there comes a time where this tireless demand for product efficiency starts to stretch the design
.. read more
Nano Technology Improve Critical Printing Process
The challenges of successful solder printing in the High Volume / Low Mix cell phone environment,which is linked with the continuing trend to miniaturize electronic assemblies,requires a new ap
.. read more
NASA-DoD Lead-Free Electronics Project: Mechanical Shock Test
Mechanical shock testing was conducted by Boeing Research and Technology (Seattle) for the NASA-DoD Lead-Free Electronics Solder Project. This project is follow-on to the Joint Council on Aging
.. read more
Stencil Options for Printing Solder Paste for .3 Mm CSP’s and 01005 Chip Components
Printing solder paste for very small components like .3mm pitch CSP’s and 01005 Chip Components is a challenge for the printing process when other larger components like RF shields,SMT Connecto
.. read more
Application Research of Snap Curing CSP Underfill
CSP underfill commonly acts to protect solder bumps of fine pitch CSP and enhances the reliability. This paper presents four snap curing underfills (=2min@150?or=5min@120?),tested on SnPb assem
.. read more
Industrial Backward Solution for Lead-Free Exempted AHP* Electronic Products
Since the European 2002/95/EC RoHS directive enforcement on 1st July 2006,a dominating part of the electronic industry suppressed the use of Pb in electronic equipment. As one of the consequenc
.. read more
The Evolution of 3D IC Packaging for Portable and Hand Held Electronics
Increased electronic functionality can be achieved through the development of more complex silicon integration but that course generally requires a great deal of capital resources and an excess
.. read more
Jetting- a New Paradigm in Dispensing
Today’s advanced packages for electronics are required to meet a wide range of requirements for reliability,size and cost.
Surface mount technology still prevails in low cost electronics (telev
.. read more
Effect of Surface Finish,Reflow Profile and High Temperature Aging on Drop Test Reliability of Lead Free CSPs
Chip scale packages (CSPs) are widely used in portable electronic products. Mechanical drop testing is a critical reliability
requirement for these products. With the switch to lead free solder
.. read more
Lead Free Flip Chip and Chip Scale Package Inspection: New Challenges Will Require New Inspection Technologies
Lead free implementation will present new challenges for PCB manufacturers from a design,soldering process,and QC
standpoint. The higher reflow process temperatures will cause greater thermal s
.. read more
Study of SMT Assembly Processes for Fine Pitch CSP Packages
The SMT (surface mount technology) assembly process for 0.4 mm pitch CSP (chip scale package) components was studied
in this work. For the screen printing process,the printing performance of di
.. read more
Lead-Free and Mixed Assembly Solder Joint Reliability Trends
This paper presents a quantitative analysis of solder joint reliability data for lead-free Sn-Ag-Cu (SAC) and mixed assembly
(SnPb + SAC) circuit boards based on an extensive,but non-exhaustive
.. read more
Reliability Assessment of CSP Underfill Methods
The miniaturization trend in electronics has proliferated the use of Chip Scale Packages (CSPs) in electronics assembly. CSPs
used in portable devices are subjected to harsh mechanical and ther
.. read more
Mechanical Bending Technique for Determining CSP Design and Assembly Weaknesses
A cyclic board-bending technique has been developed to ensure a reproducible multiaxial stress state at the Chip
Size Package (CSP) solder fillet. Mechanically stressing the package serves as a
.. read more
Three-Dimensional System-in-Package (3D-SiP) in Japan: The Second Stage of Development
The adoption of three-dimensional System-in-Package (3D-SiP) is progressing rapidly,driven primarily my mobile electronic
applications such as mobile phones,PDAs,digital still cameras,and digit
.. read more
Board Level Manufacturability and Reliability Assessment of 0.5 mm Wafer Level CSP with Over-Sized Balls
The endless quest for increased performance in less space has recently manifested itself in 0.5mm pitch Chip Scale
Packages (CSP). The footprints of these packages are only about half the size
.. read more
Enhancement of CSP Mechanical Strength using Underfill or Bonding Material
Underfill technology has been used to minimize the mismatch of the Coefficient of Thermal Expansion (CTE)
in flip chip technology. An extension of this application has been used to increase the
.. read more
Implementation of No-Flow Underfills on Chip Scale Packages
Chip Scale Package (CSP) technology is growing at a rapid pace since its emergence in the electronics
manufacturing industry. As the solder joint size decreases,it has become apparent that unde
.. read more
BGA Mounting Using Improved Solder Columns
BGAs are usually solder-reflowed on substrates,which are frequently made of a different material than that of the
BGAs,which results in a TCE Mismatch between the components. If such an assembl
.. read more
Study on Solder Joint Reliability of Fine Pitch CSP
Nowadays,consumer electronic product is characterized with miniature,portable,light and high performance,especially for 3G mobile products. More and more fine pitch CSPs (0.4mm) come forth as t
.. read more
Assembly and Reliability of 1704 I/O FCBGA and FPBGAs
Commercial-off-the-shelf ball/column grid array packaging (COTS BGA/CGA) technologies in high reliability versions are now being considered for use in a number of National Aeronautics and Space
.. read more
DFM Rules for Smartphones: An Analysis of Yield on Extremely Dense Assemblies
Handheld portable products such as smartphones are trending toward smaller form factors while simultaneously increasing in functionality to keep up with consumer demands. This is achieved in pa
.. read more
A Revolutionary Printing Solution for Heterogeneous Surface Mount Assembly
As consumers the expectation of increased functionality within new products is a given. However there comes a time where this tireless demand for product efficiency starts to stretch the design
.. read more
Nano Technology Improve Critical Printing Process
The challenges of successful solder printing in the High Volume / Low Mix cell phone environment,which is linked with the continuing trend to miniaturize electronic assemblies,requires a new ap
.. read more
NASA-DoD Lead-Free Electronics Project: Mechanical Shock Test
Mechanical shock testing was conducted by Boeing Research and Technology (Seattle) for the NASA-DoD Lead-Free Electronics Solder Project. This project is follow-on to the Joint Council on Aging
.. read more
Stencil Options for Printing Solder Paste for .3 Mm CSP’s and 01005 Chip Components
Printing solder paste for very small components like .3mm pitch CSP’s and 01005 Chip Components is a challenge for the printing process when other larger components like RF shields,SMT Connecto
.. read more
Application Research of Snap Curing CSP Underfill
CSP underfill commonly acts to protect solder bumps of fine pitch CSP and enhances the reliability. This paper presents four snap curing underfills (=2min@150?or=5min@120?),tested on SnPb assem
.. read more
Industrial Backward Solution for Lead-Free Exempted AHP* Electronic Products
Since the European 2002/95/EC RoHS directive enforcement on 1st July 2006,a dominating part of the electronic industry suppressed the use of Pb in electronic equipment. As one of the consequenc
.. read more
The Evolution of 3D IC Packaging for Portable and Hand Held Electronics
Increased electronic functionality can be achieved through the development of more complex silicon integration but that course generally requires a great deal of capital resources and an excess
.. read more
Jetting- a New Paradigm in Dispensing
Today’s advanced packages for electronics are required to meet a wide range of requirements for reliability,size and cost.
Surface mount technology still prevails in low cost electronics (telev
.. read more
Effect of Surface Finish,Reflow Profile and High Temperature Aging on Drop Test Reliability of Lead Free CSPs
Chip scale packages (CSPs) are widely used in portable electronic products. Mechanical drop testing is a critical reliability
requirement for these products. With the switch to lead free solder
.. read more
Lead Free Flip Chip and Chip Scale Package Inspection: New Challenges Will Require New Inspection Technologies
Lead free implementation will present new challenges for PCB manufacturers from a design,soldering process,and QC
standpoint. The higher reflow process temperatures will cause greater thermal s
.. read more
Study of SMT Assembly Processes for Fine Pitch CSP Packages
The SMT (surface mount technology) assembly process for 0.4 mm pitch CSP (chip scale package) components was studied
in this work. For the screen printing process,the printing performance of di
.. read more
Lead-Free and Mixed Assembly Solder Joint Reliability Trends
This paper presents a quantitative analysis of solder joint reliability data for lead-free Sn-Ag-Cu (SAC) and mixed assembly
(SnPb + SAC) circuit boards based on an extensive,but non-exhaustive
.. read more
Reliability Assessment of CSP Underfill Methods
The miniaturization trend in electronics has proliferated the use of Chip Scale Packages (CSPs) in electronics assembly. CSPs
used in portable devices are subjected to harsh mechanical and ther
.. read more
Mechanical Bending Technique for Determining CSP Design and Assembly Weaknesses
A cyclic board-bending technique has been developed to ensure a reproducible multiaxial stress state at the Chip
Size Package (CSP) solder fillet. Mechanically stressing the package serves as a
.. read more
Three-Dimensional System-in-Package (3D-SiP) in Japan: The Second Stage of Development
The adoption of three-dimensional System-in-Package (3D-SiP) is progressing rapidly,driven primarily my mobile electronic
applications such as mobile phones,PDAs,digital still cameras,and digit
.. read more
Board Level Manufacturability and Reliability Assessment of 0.5 mm Wafer Level CSP with Over-Sized Balls
The endless quest for increased performance in less space has recently manifested itself in 0.5mm pitch Chip Scale
Packages (CSP). The footprints of these packages are only about half the size
.. read more
Enhancement of CSP Mechanical Strength using Underfill or Bonding Material
Underfill technology has been used to minimize the mismatch of the Coefficient of Thermal Expansion (CTE)
in flip chip technology. An extension of this application has been used to increase the
.. read more
Implementation of No-Flow Underfills on Chip Scale Packages
Chip Scale Package (CSP) technology is growing at a rapid pace since its emergence in the electronics
manufacturing industry. As the solder joint size decreases,it has become apparent that unde
.. read more
BGA Mounting Using Improved Solder Columns
BGAs are usually solder-reflowed on substrates,which are frequently made of a different material than that of the
BGAs,which results in a TCE Mismatch between the components. If such an assembl
.. read more