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.
Display
Fill The Void V - Mitigation of Voiding for Bottom Terminated Components
Voiding in solder joints has been studied extensively, and the effects of many variables compared and contrasted with respect to voiding performance. Solder paste flux, solder powder size, s
.. read more
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
.. read more
Material Selection and Parameter Optimization for Reliable TMV Pop Assembly
The successful integration of package-on-package (PoP) stacking utilizing through mold via (TMV) technology hinges on a robust assembly process. In this study,seven dip materials were investiga
.. read more
Qualification of Solder Beading and Tombstoning in Passive Devices using Designed Experiments
Solder beading and tombstoning are observed increasingly with chip components as their size decreases. This is
even more crucial in today’s packaging,due to the high ratio of passive components
.. read more
Challenges for Step Stencils with Design Guidelines for Solder Paste Printing
The stencil printing process is one of the most critical processes in the electronic production. Due to the requirement: “faster and smaller” it is necessary to place components with different
.. read more
Effect of Nano-Coated Stencil on 01005 Printing
The demand for product miniaturization,especially in the handheld device area,continues to challenge the board assembly industry. The desire to incorporate more functionality while making the p
.. 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
Broadband Printing: The New SMT Challenge
The Surface Mount Technology (SMT) industry has overcome many challenges in the last 30 years,since its introduction in the 1980’s. One recent challenge has been the lead-free assembly. People
.. read more
SMT Process Characterization and Financial Impact
Portable Electronics devices are having more functionality but the size is getting smaller. What it means to SMT is to place more,smaller and ultra fine pitch devices on PC board. This makes SM
.. read more
The Graping Phenomenon: Improving Pb-Free Solder Coalescence through Process and Material Optimization
As small surface-mount components such as 0201 and 01005 packages have entered volume assembly,manufacturers are observing increased instances of poor solder coalescence during reflow. The root
.. read more
Broadband Printing – A Paradigm
The SMT industry is going through a challenging phase of assembling miniature components,such as micro BGA,0.3mm CSP and 01005 passives onto Printed Circuit Boards (PCB). This effort is primari
.. read more
Investigating the 01005-Component Assembly Process Requirements
In 2006 we conducted two formal detailed experiments on the 01005-component assembly process. Two of the most significant findings from those experiments were that a 0.003” thick stencil is req
.. read more
Process Development for 01005 Lead-Free Passive Assembly: Stencil Printing
For some years now,an area ratio of 0.66 or greater has been the criterion for stencil apertures to achieve acceptable volume control in the printed solder paste “brick,” for small apertures Me
.. 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
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
Qualification of Solder Beading and Tombstoning in Passive Devices using Designed Experiments
Solder beading and tombstoning are observed increasingly with chip components as their size decreases. This is
even more crucial in today’s packaging,due to the high ratio of passive components
.. read more
Stencil Printing Studies
Today’s SMT assemblies are being driven toward SMD’s with higher lead densities as well as smaller packages.
This places additional performance requirements on the printing process. The stencil
.. read more
Fill The Void V - Mitigation of Voiding for Bottom Terminated Components
Voiding in solder joints has been studied extensively, and the effects of many variables compared and contrasted with respect to voiding performance. Solder paste flux, solder powder size, s
.. read more
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
.. read more
Material Selection and Parameter Optimization for Reliable TMV Pop Assembly
The successful integration of package-on-package (PoP) stacking utilizing through mold via (TMV) technology hinges on a robust assembly process. In this study,seven dip materials were investiga
.. read more
Qualification of Solder Beading and Tombstoning in Passive Devices using Designed Experiments
Solder beading and tombstoning are observed increasingly with chip components as their size decreases. This is
even more crucial in today’s packaging,due to the high ratio of passive components
.. read more
Challenges for Step Stencils with Design Guidelines for Solder Paste Printing
The stencil printing process is one of the most critical processes in the electronic production. Due to the requirement: “faster and smaller” it is necessary to place components with different
.. read more
Effect of Nano-Coated Stencil on 01005 Printing
The demand for product miniaturization,especially in the handheld device area,continues to challenge the board assembly industry. The desire to incorporate more functionality while making the p
.. 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
Broadband Printing: The New SMT Challenge
The Surface Mount Technology (SMT) industry has overcome many challenges in the last 30 years,since its introduction in the 1980’s. One recent challenge has been the lead-free assembly. People
.. read more
SMT Process Characterization and Financial Impact
Portable Electronics devices are having more functionality but the size is getting smaller. What it means to SMT is to place more,smaller and ultra fine pitch devices on PC board. This makes SM
.. read more
The Graping Phenomenon: Improving Pb-Free Solder Coalescence through Process and Material Optimization
As small surface-mount components such as 0201 and 01005 packages have entered volume assembly,manufacturers are observing increased instances of poor solder coalescence during reflow. The root
.. read more
Broadband Printing – A Paradigm
The SMT industry is going through a challenging phase of assembling miniature components,such as micro BGA,0.3mm CSP and 01005 passives onto Printed Circuit Boards (PCB). This effort is primari
.. read more
Investigating the 01005-Component Assembly Process Requirements
In 2006 we conducted two formal detailed experiments on the 01005-component assembly process. Two of the most significant findings from those experiments were that a 0.003” thick stencil is req
.. read more
Process Development for 01005 Lead-Free Passive Assembly: Stencil Printing
For some years now,an area ratio of 0.66 or greater has been the criterion for stencil apertures to achieve acceptable volume control in the printed solder paste “brick,” for small apertures Me
.. 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
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
Qualification of Solder Beading and Tombstoning in Passive Devices using Designed Experiments
Solder beading and tombstoning are observed increasingly with chip components as their size decreases. This is
even more crucial in today’s packaging,due to the high ratio of passive components
.. read more
Stencil Printing Studies
Today’s SMT assemblies are being driven toward SMD’s with higher lead densities as well as smaller packages.
This places additional performance requirements on the printing process. The stencil
.. read more