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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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New-Generation, Low-TemperatureLead-Free Solder for SMT Assembly
Sn3Ag0.5Cu (SAC305)is the major solder alloy after RoHS was adopted by the European Union. Since its melting temperature is relatively higher than eutectic SnPb alloy, the peak reflow temper
.. read more
Analytical Procedures for Portable Lead-Free Alloy Test Data
• Genesis in December 2008
• Follow-up discussions APEX 2009
• Input received from SMEs
• Conference Call July 22,2009
• Discussions IPC Midwest 2009
• First white paper issued by IPC SPVC June
.. read more
Thermal Residue Fingerprinting: A Revolutionary Approach to Develop a Selective Cleaning Solution
During the last 5 years,the processes to remove flux residues especially for lead-free and challenging geometries have demonstrated new cleaning obstacles which have to be overcome.i A new meth
.. read more
A Compliant and Creep Resistant SAC-Al(Ni) Alloy
Addition of Al into SAC alloys reduces the number of hard Ag3Sn and Cu6Sn5 IMC particles,and forms larger,softer non-stoichiometric AlAg and AlCu particles. This results in a significant reduct
.. read more
Industrial Backward Solution for Lead-Free Exempted AHP* Electronic Products
Since July 1st 2006,the 2002/95/EC RoHS European directive has forced the electronic industry to switch from Tin-Lead to lead-free soldering alloys for components assembly.
Exemption domains ha
.. read more
A Study of Reliability between Solder Alloy and Pad Materials
The low Ag solder alloy shows higher drop performance than the high Ag solder alloy in the every kind of package and board combinations. This is related to the ductility of solder and the surfa
.. 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
Novel Low Dk/Df Materials for High Speed PWB
The mobile communication devices such as cell phones require high speed transmission of large volume data as well as reduction in size and weight. When signal is transmitted in high speed and f
.. read more
A Compliant and Creep Resistant SAC-Al (Ni) Alloy
Addition of Al into SAC alloys reduces the number of hard Ag3Sn and Cu6Sn5 IMC particles,and forms larger,softer non-stoichiometric AlAg and AlCu particles. This results in a significant reduct
.. read more
Performing Flux-Technology for Pb-Free SN100C Solders
SN100C (Sn99Cu0.7 with Ni- and Ge-micro-additions) is a lead-free solder alloy that is finding increased acceptance globally and holds promise as a mainstream solution in terms of long-term sol
.. read more
Describing Key Coating and Process Characteristics of a Pb-Free OSP Process
Organic Solderability Preservatives (OSP) continue to attract significant attention as circuit board final finishes. They have evolved from simple and thin benzotriazole coatings to thicker and
.. read more
The New Lead Free Assembly Rework Solution Using Low Melting Alloys
This paper describes a new lead-free SMT rework process which avoids component overheating,reduces board warpage and cratering,and prevents adjacent components from thermal damage. In the repla
.. 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
Characterization of the Thermal Stability of Electrical Laminates Suitable for Lead-Free Soldering
Lead-free soldering is expected to become the new standard in the future. Different legislations or draft directives target the restriction or the ban of the use of lead in the world. As an exa
.. read more
Conquer Tombstoning in Lead-Free Soldering
Tombstoning of SnAgCu is affected by the solder composition. At vapor phase soldering,both wetting force and wetting
time at a temperature well above the melting point have no correlation with
.. read more
New-Generation, Low-TemperatureLead-Free Solder for SMT Assembly
Sn3Ag0.5Cu (SAC305)is the major solder alloy after RoHS was adopted by the European Union. Since its melting temperature is relatively higher than eutectic SnPb alloy, the peak reflow temper
.. read more
Analytical Procedures for Portable Lead-Free Alloy Test Data
• Genesis in December 2008
• Follow-up discussions APEX 2009
• Input received from SMEs
• Conference Call July 22,2009
• Discussions IPC Midwest 2009
• First white paper issued by IPC SPVC June
.. read more
Thermal Residue Fingerprinting: A Revolutionary Approach to Develop a Selective Cleaning Solution
During the last 5 years,the processes to remove flux residues especially for lead-free and challenging geometries have demonstrated new cleaning obstacles which have to be overcome.i A new meth
.. read more
A Compliant and Creep Resistant SAC-Al(Ni) Alloy
Addition of Al into SAC alloys reduces the number of hard Ag3Sn and Cu6Sn5 IMC particles,and forms larger,softer non-stoichiometric AlAg and AlCu particles. This results in a significant reduct
.. read more
Industrial Backward Solution for Lead-Free Exempted AHP* Electronic Products
Since July 1st 2006,the 2002/95/EC RoHS European directive has forced the electronic industry to switch from Tin-Lead to lead-free soldering alloys for components assembly.
Exemption domains ha
.. read more
A Study of Reliability between Solder Alloy and Pad Materials
The low Ag solder alloy shows higher drop performance than the high Ag solder alloy in the every kind of package and board combinations. This is related to the ductility of solder and the surfa
.. 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
Novel Low Dk/Df Materials for High Speed PWB
The mobile communication devices such as cell phones require high speed transmission of large volume data as well as reduction in size and weight. When signal is transmitted in high speed and f
.. read more
A Compliant and Creep Resistant SAC-Al (Ni) Alloy
Addition of Al into SAC alloys reduces the number of hard Ag3Sn and Cu6Sn5 IMC particles,and forms larger,softer non-stoichiometric AlAg and AlCu particles. This results in a significant reduct
.. read more
Performing Flux-Technology for Pb-Free SN100C Solders
SN100C (Sn99Cu0.7 with Ni- and Ge-micro-additions) is a lead-free solder alloy that is finding increased acceptance globally and holds promise as a mainstream solution in terms of long-term sol
.. read more
Describing Key Coating and Process Characteristics of a Pb-Free OSP Process
Organic Solderability Preservatives (OSP) continue to attract significant attention as circuit board final finishes. They have evolved from simple and thin benzotriazole coatings to thicker and
.. read more
The New Lead Free Assembly Rework Solution Using Low Melting Alloys
This paper describes a new lead-free SMT rework process which avoids component overheating,reduces board warpage and cratering,and prevents adjacent components from thermal damage. In the repla
.. 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
Characterization of the Thermal Stability of Electrical Laminates Suitable for Lead-Free Soldering
Lead-free soldering is expected to become the new standard in the future. Different legislations or draft directives target the restriction or the ban of the use of lead in the world. As an exa
.. read more
Conquer Tombstoning in Lead-Free Soldering
Tombstoning of SnAgCu is affected by the solder composition. At vapor phase soldering,both wetting force and wetting
time at a temperature well above the melting point have no correlation with
.. read more