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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The Role of Organic Amines in Soldering Materials
The transition from eutectic tin-lead to lead-free soldering in electronic assembly,mandatedby the RoHS legislation, has brought great pressure and challenge to solder mater
.. read more
Reliability Assessment of No-clean and Water-soluble Solder Pastes Part II
Looking back twenty-five years ago,the solder pastes residues had to be cleaned after reflow due to their corrosive nature; two ways of cleaning were possible,either with solvent or by using wa
.. read more
Reliability Assessment of No-clean and Water-soluble Solder Pastes Part II
Looking back twenty-five years ago,the solder pastes residues had to be cleaned after reflow due to their corrosive nature; two ways of cleaning were possible,either with solvent or by using wa
.. read more
Low Cost High Reliability Assembly of POP with Novel Epoxy Flux on Solder Paste
A novel epoxy flux was developed with good compatibility with no-clean solder pastes,which imparts high reliability for BGA assembly at a low cost. This compatibility with solder pastes is achi
.. read more
New Requirements for Sir- Measurement
During the last period of newly assembled electrical devices (pcbs),new component types like LGA and QFN were also qualified as well as smaller passive components with reliability requirements
.. read more
JEITA’s Standardization Activity of 2nd Generation Lead-Free Solder Paste
1.Obtain suggestions from the solder manufactures
Low-Ag SAC Paste
•Increase in reflow temp
•Impact on thermal fatigue and wetting
Sn-Bi low-temp Paste
•Impact on shock strength
•Creep fatigue
.. 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
VOC-free Flux Study Not All WOA (Weak Organic Acids) Are the Same
In an effort to reduce volatile organic compound (VOC) emissions within our environment,policymakers
have encouraged and/or mandated that electronics manufacturers change from alcohol-based VOC
.. 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
An Investigation into Low Temperature Tin-Bismuth and Tin-Bismuth-Silver Lead-Free Alloy Solder Pastes for Electronics Manufacturing Applications
The electronics industry has mainly adopted the higher melting point Sn3Ag0.5Cu solder alloys for lead-free reflow soldering applications. For applications where temperature sensitive component
.. read more
Choosing a Low-Cost Alternative to Sac Alloys for PCB Assembly
Developing low-cost alternatives to near-eutectic SAC alloys for Pb-free assembly is crucial to continue producing affordable electronics products. Metals prices,especially silver,have been on
.. read more
Application of the Advanced Activator Technology on Halogen-Free Lead-Free Solder Paste Development
The Surface Mount Technology (SMT) industry has been faced with several challenges in the past decades. Two of the most recent ones are RoHS compliant lead-free assembly and the adoption of fin
.. read more
Lead-Free Flux Technology and Influence on Cleaning
Lead-free flux technology for electronic industry is mainly driven by high soldering temperature,high alloy surface tension, miniaturization,air soldering due to low cost consideration,and envi
.. read more
Fine Powder Solder Paste Applications for Semiconductor Packaging
Fine solder powder paste applications continue to grow as a cost effective solution to many semiconductor packaging needs. Applications for solder paste continue to evolve from the standard SMT
.. 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
Productivity and Cost Efficiency of Lead-Free Selective Soldering
With the advent of widespread lead-free soldering,the issue of copper erosion has surfaced as a major quality concern when
soldering RoHS compliant through-hole devices. Many contract electroni
.. read more
Critical Cleaning of Highly Densed Electronic Assemblies in the Lead Free
An important development in high reliability electronics is the convergence of circuit board and advanced packaging technologies. This combination enhances the best attributes of each technolog
.. read more
Lead free Defects and Process Yields – Real Case Studies on How Assemblers are preventing them and Maintaining Yields
The industry is in full transition towards lead-free assembly. Due to the different physical,mechanical and chemical
properties of lead-free solder alloys,transitioning lead-free soldering with
.. read more
Comparison of Types III,IV and V Solder Pastes
A brand name Pb-free solder paste made with three different sizes of solder paste spheres was studied. The soldering ability
of Types III,IV and V solder paste in terms of opens,shorts,solder s
.. read more
Maximizing Lead Free Wetting
As lead free assembly is ramping up,wetting of lead free solder pastes is surfacing as the major paste performance tradeoff.
Global efforts to significantly increase lead free wetting chemicall
.. 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
Lead Free Process Transition Solder Paste Characteristic Assessment
The migration to Lead Free raw materials in the Electronics Industry will happen faster than the date proposed in the original
draft of the legislation. A true Pb-free solution for product such
.. 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
Wetting of Fresh and Aged Immersion Tin and Silver Surface Finishes by Sn/Ag/Cu Solder
The wetting of alternative PCB surface finishes,including immersion silver (I-Ag) and immersion tin (I-Sn),by
Sn/Ag/Cu solder and Sn/Pb solder,was studied in this work,along with electroless ni
.. read more
The Role of Organic Amines in Soldering Materials
The transition from eutectic tin-lead to lead-free soldering in electronic assembly,mandatedby the RoHS legislation, has brought great pressure and challenge to solder mater
.. read more
Reliability Assessment of No-clean and Water-soluble Solder Pastes Part II
Looking back twenty-five years ago,the solder pastes residues had to be cleaned after reflow due to their corrosive nature; two ways of cleaning were possible,either with solvent or by using wa
.. read more
Reliability Assessment of No-clean and Water-soluble Solder Pastes Part II
Looking back twenty-five years ago,the solder pastes residues had to be cleaned after reflow due to their corrosive nature; two ways of cleaning were possible,either with solvent or by using wa
.. read more
Low Cost High Reliability Assembly of POP with Novel Epoxy Flux on Solder Paste
A novel epoxy flux was developed with good compatibility with no-clean solder pastes,which imparts high reliability for BGA assembly at a low cost. This compatibility with solder pastes is achi
.. read more
New Requirements for Sir- Measurement
During the last period of newly assembled electrical devices (pcbs),new component types like LGA and QFN were also qualified as well as smaller passive components with reliability requirements
.. read more
JEITA’s Standardization Activity of 2nd Generation Lead-Free Solder Paste
1.Obtain suggestions from the solder manufactures
Low-Ag SAC Paste
•Increase in reflow temp
•Impact on thermal fatigue and wetting
Sn-Bi low-temp Paste
•Impact on shock strength
•Creep fatigue
.. 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
VOC-free Flux Study Not All WOA (Weak Organic Acids) Are the Same
In an effort to reduce volatile organic compound (VOC) emissions within our environment,policymakers
have encouraged and/or mandated that electronics manufacturers change from alcohol-based VOC
.. 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
An Investigation into Low Temperature Tin-Bismuth and Tin-Bismuth-Silver Lead-Free Alloy Solder Pastes for Electronics Manufacturing Applications
The electronics industry has mainly adopted the higher melting point Sn3Ag0.5Cu solder alloys for lead-free reflow soldering applications. For applications where temperature sensitive component
.. read more
Choosing a Low-Cost Alternative to Sac Alloys for PCB Assembly
Developing low-cost alternatives to near-eutectic SAC alloys for Pb-free assembly is crucial to continue producing affordable electronics products. Metals prices,especially silver,have been on
.. read more
Application of the Advanced Activator Technology on Halogen-Free Lead-Free Solder Paste Development
The Surface Mount Technology (SMT) industry has been faced with several challenges in the past decades. Two of the most recent ones are RoHS compliant lead-free assembly and the adoption of fin
.. read more
Lead-Free Flux Technology and Influence on Cleaning
Lead-free flux technology for electronic industry is mainly driven by high soldering temperature,high alloy surface tension, miniaturization,air soldering due to low cost consideration,and envi
.. read more
Fine Powder Solder Paste Applications for Semiconductor Packaging
Fine solder powder paste applications continue to grow as a cost effective solution to many semiconductor packaging needs. Applications for solder paste continue to evolve from the standard SMT
.. 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
Productivity and Cost Efficiency of Lead-Free Selective Soldering
With the advent of widespread lead-free soldering,the issue of copper erosion has surfaced as a major quality concern when
soldering RoHS compliant through-hole devices. Many contract electroni
.. read more
Critical Cleaning of Highly Densed Electronic Assemblies in the Lead Free
An important development in high reliability electronics is the convergence of circuit board and advanced packaging technologies. This combination enhances the best attributes of each technolog
.. read more
Lead free Defects and Process Yields – Real Case Studies on How Assemblers are preventing them and Maintaining Yields
The industry is in full transition towards lead-free assembly. Due to the different physical,mechanical and chemical
properties of lead-free solder alloys,transitioning lead-free soldering with
.. read more
Comparison of Types III,IV and V Solder Pastes
A brand name Pb-free solder paste made with three different sizes of solder paste spheres was studied. The soldering ability
of Types III,IV and V solder paste in terms of opens,shorts,solder s
.. read more
Maximizing Lead Free Wetting
As lead free assembly is ramping up,wetting of lead free solder pastes is surfacing as the major paste performance tradeoff.
Global efforts to significantly increase lead free wetting chemicall
.. 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
Lead Free Process Transition Solder Paste Characteristic Assessment
The migration to Lead Free raw materials in the Electronics Industry will happen faster than the date proposed in the original
draft of the legislation. A true Pb-free solution for product such
.. 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
Wetting of Fresh and Aged Immersion Tin and Silver Surface Finishes by Sn/Ag/Cu Solder
The wetting of alternative PCB surface finishes,including immersion silver (I-Ag) and immersion tin (I-Sn),by
Sn/Ag/Cu solder and Sn/Pb solder,was studied in this work,along with electroless ni
.. read more