Knowledge Hub

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Wire Bonding and Soldering on Enepig and Enep Surface Finishes with Pure Pd- Layers

As a surface finish,electroless nickel / electroless palladium / immersion gold (ENEPIG) has received increased attention for both packaging/IC-substrate and PWB applications. With a lower gold .. read more

Comparison of the Electrochemical and Physical Properties of Nanocrystalline Copper Deposition in the Fabrication of Printed Wiring Boards

Typical electrodeposition of conventional metals produces deposits that are polycrystalline in nature,comprised of many crystal grains separated by grain boundaries. Adding grain refiners to a .. read more

Low Temperature Characteristics of Silicones

Silicones are often used to protect electronic applications designed for cold environments. The low temperature flexibility of silicones is well recognized,but not as well understood. While the .. read more

Novel SACX Solders with Drop Test Performance Outperforming Eutectic Tin-Lead

A family of SACX alloys has been developed with significant improvement in drop test performance on NiAu surface finish. Dopants such as Mn,Bi,Ti,Ce,and to a less extent Y for SAC105 have been .. read more

Whisker Penetration into Conformal Coating

Tin whiskers are needle-like crystals of tin growing from pure tin or high-tin alloy surfaces,which may grow long enough to cause electrical shorts. Conformal coatings provide some protection a .. read more

Lead Free Assembly Qualification of ALIVH Boards

The migration to lead free reflow is bringing many challenges for the PCB industry. High Tg laminates,stability of materials thru 2X reflows,rework,moisture sensitivity etc. This requires caref .. read more

Characterization of Acid Copper Plating Solution for Via-Filling

The use of acid copper plating process for via-filling effectively forms interlayer connection in build-up PWBs with high-density interconnections. However,in the case of copper film deposited .. read more

Lead-Free Solder Bumping Technologies

Electroplated pure tin and tin alloys such as Sn99.3Cu0.7%,Sn98%Bi2% and Sn96.5%Ag3.5% have been identified as viable drop-in replacements to tin-lead solder. High melting point tin alloys such .. read more

Wire Bonding and Soldering on Enepig and Enep Surface Finishes with Pure Pd- Layers

As a surface finish,electroless nickel / electroless palladium / immersion gold (ENEPIG) has received increased attention for both packaging/IC-substrate and PWB applications. With a lower gold .. read more

Comparison of the Electrochemical and Physical Properties of Nanocrystalline Copper Deposition in the Fabrication of Printed Wiring Boards

Typical electrodeposition of conventional metals produces deposits that are polycrystalline in nature,comprised of many crystal grains separated by grain boundaries. Adding grain refiners to a .. read more

Low Temperature Characteristics of Silicones

Silicones are often used to protect electronic applications designed for cold environments. The low temperature flexibility of silicones is well recognized,but not as well understood. While the .. read more

Novel SACX Solders with Drop Test Performance Outperforming Eutectic Tin-Lead

A family of SACX alloys has been developed with significant improvement in drop test performance on NiAu surface finish. Dopants such as Mn,Bi,Ti,Ce,and to a less extent Y for SAC105 have been .. read more

Whisker Penetration into Conformal Coating

Tin whiskers are needle-like crystals of tin growing from pure tin or high-tin alloy surfaces,which may grow long enough to cause electrical shorts. Conformal coatings provide some protection a .. read more

Lead Free Assembly Qualification of ALIVH Boards

The migration to lead free reflow is bringing many challenges for the PCB industry. High Tg laminates,stability of materials thru 2X reflows,rework,moisture sensitivity etc. This requires caref .. read more

Characterization of Acid Copper Plating Solution for Via-Filling

The use of acid copper plating process for via-filling effectively forms interlayer connection in build-up PWBs with high-density interconnections. However,in the case of copper film deposited .. read more

Lead-Free Solder Bumping Technologies

Electroplated pure tin and tin alloys such as Sn99.3Cu0.7%,Sn98%Bi2% and Sn96.5%Ag3.5% have been identified as viable drop-in replacements to tin-lead solder. High melting point tin alloys such .. read more