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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Flip Chip Package Qualification of RF-IC Packages

Quad Flat Pack No Leads (QFNs) are thermally enhanced plastic packages that use conventional copper leadframe with wire bonded interconnects. . These leadless components provide an advanced pac .. read more

Influence of Pd Thickness on Micro Void Formation of Solder Joints in ENEPIG Surface Finish

We investigated the micro-void formation of solder joints after reliability tests such as preconditioning (precon) and thermal cycle (TC) by varying the thickness of Palladium (Pd) in Electrole .. read more

Printable Materials and Devices

Printing technologies provide a simple solution to build electronic circuits on low cost flexible substrates. Materials will play an important role for developing advanced printable technology. .. read more

Reliability Testing of PWB Plated through Holes in Air-to-Air Thermal Cycling and Interconnect Stress Testing after Pb-free Reflow Preconditioning

The High Density Packaging Users Group Consortium investigated plated through hole reliability of printed wiring board test vehicles constructed with 20 different Pb-free capable printed wiring .. read more

Effects of Moisture Content on Permittivity and Loss Tangent of Printed Circuit Board Materials

Printed circuit board laminate datasheets provide permittivity (dielectric constant,Dk) and loss tangent (dissipation factor,Df) values that are used for specification and board design. But pas .. read more

Thermal Cycle Testing of PWBs – Methodology

Reliability testing of printed wire boards (PWBs) by thermal cycling offers the ability to compare relative survivability through assembly and reliability in the end use environment. This artic .. read more

Processing High Density Interconnects: Selecting the Best Option for Via Fill Applications

With the increased use of High Density Interconnects in printed wiring boards (PWB) there is a critical need for reliable methods to completely fill through hole and blind vias. Complete fillin .. read more

Effect of OSP Chemistry on the Hole Fill Performance During Pb-free Wave Soldering

This paper analyzes the differences in plated through hole fill performance between the regular OSP and Pb-free OSP PCB surface finish chemistries in a Pb-free wave solder process. The variable .. read more

The Whisker Growth Investigation of IC Packaging on the PC Board Assembly

The whisker concern has been greatly affecting lead free RoHS conversion confidence in the lead frame packages,particularly for high end product conversion. Although plenty of related study in .. read more

A DOE to assess PCB fabrication material design and process using IST (Interconnect Stress Testing) to improve fine pitch BGA...

During the development of a new medical imaging system,via quality was identified as a potentially source of infantile failures. Premature via failures were precipitated in a critical 14 layer .. read more

Via (Plated Through Hole) Integrity with Lead Free Soldering

Bare printed wiring board materials require changes from today’s typical standard dicy cured FR4 materials in order to support lead-free assembly. The High Density Packaging User’s Group has co .. read more

Microvia Reliability Concerns in the Lead Free Assembly Environment

Traditionally microvias have been considered to be the most reliable interconnect structure within a printed wiring board (PWB). With the advent of lead free assembly the vulnerability of high .. read more

Printed Circuit Board Reliability in High Temperature

This paper will demonstrate the effect high reflow temperatures in lead free processes will have on the reliability of printed circuit boards from a broad range of laminate materials for both t .. read more

Solder Paste Wetting and Solder-Balling Evaluation: A Quantitative Statistical Approach Using DOE

The ability of a solder paste particles to coalesce and wet the Printed Wiring Board (PWB) and component lead is key to proper solder joint formation. Robust solder paste performance is needed .. read more

Flip Chip Package Qualification of RF-IC Packages

Quad Flat Pack No Leads (QFNs) are thermally enhanced plastic packages that use conventional copper leadframe with wire bonded interconnects. . These leadless components provide an advanced pac .. read more

Influence of Pd Thickness on Micro Void Formation of Solder Joints in ENEPIG Surface Finish

We investigated the micro-void formation of solder joints after reliability tests such as preconditioning (precon) and thermal cycle (TC) by varying the thickness of Palladium (Pd) in Electrole .. read more

Printable Materials and Devices

Printing technologies provide a simple solution to build electronic circuits on low cost flexible substrates. Materials will play an important role for developing advanced printable technology. .. read more

Reliability Testing of PWB Plated through Holes in Air-to-Air Thermal Cycling and Interconnect Stress Testing after Pb-free Reflow Preconditioning

The High Density Packaging Users Group Consortium investigated plated through hole reliability of printed wiring board test vehicles constructed with 20 different Pb-free capable printed wiring .. read more

Effects of Moisture Content on Permittivity and Loss Tangent of Printed Circuit Board Materials

Printed circuit board laminate datasheets provide permittivity (dielectric constant,Dk) and loss tangent (dissipation factor,Df) values that are used for specification and board design. But pas .. read more

Thermal Cycle Testing of PWBs – Methodology

Reliability testing of printed wire boards (PWBs) by thermal cycling offers the ability to compare relative survivability through assembly and reliability in the end use environment. This artic .. read more

Processing High Density Interconnects: Selecting the Best Option for Via Fill Applications

With the increased use of High Density Interconnects in printed wiring boards (PWB) there is a critical need for reliable methods to completely fill through hole and blind vias. Complete fillin .. read more

Effect of OSP Chemistry on the Hole Fill Performance During Pb-free Wave Soldering

This paper analyzes the differences in plated through hole fill performance between the regular OSP and Pb-free OSP PCB surface finish chemistries in a Pb-free wave solder process. The variable .. read more

The Whisker Growth Investigation of IC Packaging on the PC Board Assembly

The whisker concern has been greatly affecting lead free RoHS conversion confidence in the lead frame packages,particularly for high end product conversion. Although plenty of related study in .. read more

A DOE to assess PCB fabrication material design and process using IST (Interconnect Stress Testing) to improve fine pitch BGA...

During the development of a new medical imaging system,via quality was identified as a potentially source of infantile failures. Premature via failures were precipitated in a critical 14 layer .. read more

Via (Plated Through Hole) Integrity with Lead Free Soldering

Bare printed wiring board materials require changes from today’s typical standard dicy cured FR4 materials in order to support lead-free assembly. The High Density Packaging User’s Group has co .. read more

Microvia Reliability Concerns in the Lead Free Assembly Environment

Traditionally microvias have been considered to be the most reliable interconnect structure within a printed wiring board (PWB). With the advent of lead free assembly the vulnerability of high .. read more

Printed Circuit Board Reliability in High Temperature

This paper will demonstrate the effect high reflow temperatures in lead free processes will have on the reliability of printed circuit boards from a broad range of laminate materials for both t .. read more

Solder Paste Wetting and Solder-Balling Evaluation: A Quantitative Statistical Approach Using DOE

The ability of a solder paste particles to coalesce and wet the Printed Wiring Board (PWB) and component lead is key to proper solder joint formation. Robust solder paste performance is needed .. read more