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Insertion Loss Performance Differences Due to Plated Finish and Different Circuit Structures
Many different final plated finishes are used in the PCB industry, each with its own influence on insertion loss. The impact of an applied finish on insertion loss is generally dependent upo
.. read more
Reflow Soldering Equals Wave Soldering Plus One
Lead-free solder is more than a swap for SnPb and more than simply an alternative alloy. Five years after implementation discussion remains regarding which alloy is the best for which applicati
.. read more
High Melting Lead-Free Mixed Biagx Solder Paste System
Although lead-free soldering has been main stream in the industry since 2006,with the replacement of eutectic SnPb system by the Sn/Ag/Cu system,the development of drop-in lead-free alternative
.. read more
Drop Testing of a Pb-Free Board after Assembly and SnPb-Rework
•Board-level drop shock test was performed on 9 assemblies
–63 parts / board
–Parts representative of military package styles
•Assembled on Pb-free compatible laminate with SAC 305 solder
•Sele
.. read more
Drop Test Performance of A Medium Complexity Lead-Free Board After Assembly and Rework
The mechanical behavior of printed circuit assemblies (PCA) at high strain rates is very important for the reliability of products used in harsh environments. The transition to Pb-free material
.. read more
A Test Methodology for Copper Dissolution in Lead-Free Alloys
Lead-free selective soldering can result in extended times at high temperatures,which in turn can result in excessive dissolution of exposed copper,such as plated through holes. This phenomenon
.. read more
Selective Soldering for Interconnection Technology Used in Enterprise Communication Apparatuses
At times,wave soldering or reflow involving the entire assembly are not applicable for soldering of components. Selective soldering techniques vary widely in their ability to produce high quali
.. 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
Effects of BGA Rework Cycles on PCB Assembly Reliability
BGA component removal and replacement are required during product development and repair operations. In general,a single rework on specific location is permitted without causing excessive damag
.. read more
Insertion Loss Performance Differences Due to Plated Finish and Different Circuit Structures
Many different final plated finishes are used in the PCB industry, each with its own influence on insertion loss. The impact of an applied finish on insertion loss is generally dependent upo
.. read more
Reflow Soldering Equals Wave Soldering Plus One
Lead-free solder is more than a swap for SnPb and more than simply an alternative alloy. Five years after implementation discussion remains regarding which alloy is the best for which applicati
.. read more
High Melting Lead-Free Mixed Biagx Solder Paste System
Although lead-free soldering has been main stream in the industry since 2006,with the replacement of eutectic SnPb system by the Sn/Ag/Cu system,the development of drop-in lead-free alternative
.. read more
Drop Testing of a Pb-Free Board after Assembly and SnPb-Rework
•Board-level drop shock test was performed on 9 assemblies
–63 parts / board
–Parts representative of military package styles
•Assembled on Pb-free compatible laminate with SAC 305 solder
•Sele
.. read more
Drop Test Performance of A Medium Complexity Lead-Free Board After Assembly and Rework
The mechanical behavior of printed circuit assemblies (PCA) at high strain rates is very important for the reliability of products used in harsh environments. The transition to Pb-free material
.. read more
A Test Methodology for Copper Dissolution in Lead-Free Alloys
Lead-free selective soldering can result in extended times at high temperatures,which in turn can result in excessive dissolution of exposed copper,such as plated through holes. This phenomenon
.. read more
Selective Soldering for Interconnection Technology Used in Enterprise Communication Apparatuses
At times,wave soldering or reflow involving the entire assembly are not applicable for soldering of components. Selective soldering techniques vary widely in their ability to produce high quali
.. 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
Effects of BGA Rework Cycles on PCB Assembly Reliability
BGA component removal and replacement are required during product development and repair operations. In general,a single rework on specific location is permitted without causing excessive damag
.. read more