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 2002 - 2003 National Technology Roadmap for Electronic Interconnections

The OEM desires identified in the 2002 – 2003 roadmap clearly identify,through their emulators,the present and future needs of the products that the emulators represent. There are a total of ei .. read more

Standization Effort in Japan in the Area of Optoelectronic Assembly Technology

We have organized in JPCA a committee for the standardization of optoelectronic assembly technology in collaboration with JIEP (Japan Institute of Electronics Packaging) with cooperation of JEI .. read more

The Impact of “High Speed Systems” on Electrical and Optical Interconnect

High speed systems operating at speeds of 2GHz and above are placing increasing demands on the specifications of substrates and packaging of components used within these systems. BPA has review .. read more

NEMI Update on Optoelectronics Initiatives

National Electronics Manufacturing Initiative (NEMI) initiated six projects in late 2001 and 2002 addressing key issues identified by the industry. These cover the areas of Fiber Management,Sig .. read more

Solderability Testing Methodologies for BGA Packages

Solderability testing is carried out at the IC (Integrated Circuit) manufacturer’s end to evaluate the quality of the IC package terminals in terms of solder wetting ability. Current industrial .. 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

Effect of No-clean Solder Paste and Flux on Reliability of High Frequency Circuits

The use of no-clean solder paste and flux has become widely accepted as a cost saver in the SMT assembly process. The presence of solder flux residues,solder mask,underfill or any SMT material .. read more

Selection of a Low VOC Conformal Coating

Boeing Commercial Electronics (BCE),a subsidiary of The Boeing Company,is a leading supplier of avionics and cabin management systems for the Boeing family of commercial airplanes. Boeing speci .. read more

Silicone UV Conformal Coating

As line speeds increase and production looks to decrease size and energy requirements,radiation curing becomes a more attractive technology option over the incumbent thermal and moisture curing .. read more

Solvent-Free Conformal Coatings – As Good as Conventional Types?

Conformal or protective coatings are widely used in the electronics industry today and are available in a large variety of different types and adjustments. The "classic" or conventional conform .. read more

Protecting Automotive Electronics with Vacuum-Deposited Parylene Increasing Electronic Longevity in the Global Automotive Industry

Over the years,electronic components have become increasingly smaller and integrated. Spacing between components and line to line spacing has continually shrunk. This miniaturization has magnif .. read more

Real-Life Tin-Silver-Copper Alloy Processing

The world is stating to focus on tin-silver copper as the lead-free alloy of choice. This paper discusses the commercially available tin-silver-copper alloys and their processing and reliabilit .. read more

Preliminary Study on Lead-free Sn42Bi57Ag1 Solder Paste

With the growth of the concern on the environment,more and more efforts have been done to protect the earth,to minimize the pollution on the environment. The use of the lead free solder is repl .. read more

Effect of Alloy and Composition on Shelf Life of Water Soluble Solder Pastes

Shelf life is one of the most important characteristics of solder paste. Many pastes exhibit good print characteristics when fresh but then suffer rapid degradation. Although rosin based pastes .. read more

SMT Assembly Process Comparison of Pb-free Alloy Systems

This paper provides an assembly process comparison of Pb-free alloys with a Sn/Pb alloy using a test vehicle designed to resemble real world manufacturing applications. Four different Pb-free a .. read more

Electroplating and Properties of Lead-Free Finishes

Tin alloys such as Sn 0.7% Cu and Sn 2%Bi were identified as a viable alternative to tin-lead finish. Electroplating of these alloys is challenging because of great difference in reduction pote .. read more

Whisker Prevention

The electronic industry is under extreme pressure to remove tin-lead solders from electronic components. Pure tin is one of the alternatives and may be the simplest system as a “drop-in” replac .. read more

Eliminating Wave Solder Waste with Automatic Dross Reclamation

Wave Soldering continues to be a necessity for many applications in the PCB assembly arena. One of the drawbacks to the Wave Soldering process is the high cost associated with maintaining and o .. read more

Equipment Impacts of Lead Free Wave Soldering

The popular tin (Sn) rich lead free solders are causing severe corrosion to many of the materials used in today’s Wave Solder systems. Users are experiencing higher maintenance frequency and re .. read more

Investigating Mass Imaging Lead Free Materials Using Enclosed Print Head Technology

Within the Surface Mount Assembly (S.M.A.) process,solder paste is primarily used as a mechanical and electrical connection. Solder paste is generally deposited using a mass imaging process,suc .. read more

Taking the Pain Out of Pb-Free Reflow

The introduction of Pb-free solder into the electronics industry has required changes to the standard surface mount process. The largest changes are in the reflow process,as Pb-free pastes requ .. read more

Formation and Growth of Intermetallics at the Interface between Lead-free Solders and Copper Substrates

Intermetallic formation and growth were studied for the alloys Sn-3.2Ag-0.8Cu,Sn-3.5Ag,Sn-0.7Cu,and Sn-9Zn. Coupons of solder joints (prepared by melting some of each solder alloy on a copper-p .. read more

Testing and Analysis of Surface Mounted Lead Free Soldering Materials and Processes

The Massachusetts Toxics Use Reduction Institute (TURI) has sponsored a consortium of Massachusetts based corporations to investigate lead-free (Pb-free) surface mount soldering technology. The .. read more

Finally! Practical Guidelines for Achieving Successful Lead-Free Assembly

With the Waste Electrical and Electronic Equipment (WEEE) Directive in Europe outlawing lead from many electronic devices produced and imported in the EU by July 2006,as well as with foreign co .. read more

Plastic Hermetic Packages for MEMS,MOEMS and Optoelectronic Devices?

The full hermetic package for electronics and optoelectronic (OE) devices was first developed in the 1800’s and has served these industries well. The earliest optoelectronic devices,cathode ray .. read more

Development of MEMS on Printed Wiring Board Platform

A new type of Micro-Electro-Mechanical System (MEMS) structure has been developed on a printed wiring board (PWB) platform. PWB,embedded passives (EP) and High Density Interconnect (HDI) techno .. read more

Mems Packaging: Challenges and Opportunities

One of the greatest obstacles in commercialization of MEMS is the cost of packaging and assembly. Packaging needs for MicroSystems and MEMS technology vary by structure and application. Major i .. read more

MEMS-Based Microsystem Packaging

Sandia National Laboratories has programs covering the range of MEMS technologies from LIGA to bulk to surface micromachining. These MEMS technologies are being considered for an equally broad .. read more

ESD – Steps Against Electrostatic Discharge – Prevention of Electronic Devices and Assemblies

Electronic devices become more and more smaller. Electronic assemblies are sensitive against electrostatic discharge just as much as its smallest and most sensitive element. So protection syste .. read more

State of the Art Detection and Analysis of Outgassed compounds for the Optoelectronics and Micro Assembly Industries

The outgassing level of materials (such as adhesives,composites,plastics,etc.) that are used to assemble and construct optoelectronic packages,sub-assemblies,and other electronic materials is b .. read more

The 2002 - 2003 National Technology Roadmap for Electronic Interconnections

The OEM desires identified in the 2002 – 2003 roadmap clearly identify,through their emulators,the present and future needs of the products that the emulators represent. There are a total of ei .. read more

Standization Effort in Japan in the Area of Optoelectronic Assembly Technology

We have organized in JPCA a committee for the standardization of optoelectronic assembly technology in collaboration with JIEP (Japan Institute of Electronics Packaging) with cooperation of JEI .. read more

The Impact of “High Speed Systems” on Electrical and Optical Interconnect

High speed systems operating at speeds of 2GHz and above are placing increasing demands on the specifications of substrates and packaging of components used within these systems. BPA has review .. read more

NEMI Update on Optoelectronics Initiatives

National Electronics Manufacturing Initiative (NEMI) initiated six projects in late 2001 and 2002 addressing key issues identified by the industry. These cover the areas of Fiber Management,Sig .. read more

Solderability Testing Methodologies for BGA Packages

Solderability testing is carried out at the IC (Integrated Circuit) manufacturer’s end to evaluate the quality of the IC package terminals in terms of solder wetting ability. Current industrial .. 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

Effect of No-clean Solder Paste and Flux on Reliability of High Frequency Circuits

The use of no-clean solder paste and flux has become widely accepted as a cost saver in the SMT assembly process. The presence of solder flux residues,solder mask,underfill or any SMT material .. read more

Selection of a Low VOC Conformal Coating

Boeing Commercial Electronics (BCE),a subsidiary of The Boeing Company,is a leading supplier of avionics and cabin management systems for the Boeing family of commercial airplanes. Boeing speci .. read more

Silicone UV Conformal Coating

As line speeds increase and production looks to decrease size and energy requirements,radiation curing becomes a more attractive technology option over the incumbent thermal and moisture curing .. read more

Solvent-Free Conformal Coatings – As Good as Conventional Types?

Conformal or protective coatings are widely used in the electronics industry today and are available in a large variety of different types and adjustments. The "classic" or conventional conform .. read more

Protecting Automotive Electronics with Vacuum-Deposited Parylene Increasing Electronic Longevity in the Global Automotive Industry

Over the years,electronic components have become increasingly smaller and integrated. Spacing between components and line to line spacing has continually shrunk. This miniaturization has magnif .. read more

Real-Life Tin-Silver-Copper Alloy Processing

The world is stating to focus on tin-silver copper as the lead-free alloy of choice. This paper discusses the commercially available tin-silver-copper alloys and their processing and reliabilit .. read more

Preliminary Study on Lead-free Sn42Bi57Ag1 Solder Paste

With the growth of the concern on the environment,more and more efforts have been done to protect the earth,to minimize the pollution on the environment. The use of the lead free solder is repl .. read more

Effect of Alloy and Composition on Shelf Life of Water Soluble Solder Pastes

Shelf life is one of the most important characteristics of solder paste. Many pastes exhibit good print characteristics when fresh but then suffer rapid degradation. Although rosin based pastes .. read more

SMT Assembly Process Comparison of Pb-free Alloy Systems

This paper provides an assembly process comparison of Pb-free alloys with a Sn/Pb alloy using a test vehicle designed to resemble real world manufacturing applications. Four different Pb-free a .. read more

Electroplating and Properties of Lead-Free Finishes

Tin alloys such as Sn 0.7% Cu and Sn 2%Bi were identified as a viable alternative to tin-lead finish. Electroplating of these alloys is challenging because of great difference in reduction pote .. read more

Whisker Prevention

The electronic industry is under extreme pressure to remove tin-lead solders from electronic components. Pure tin is one of the alternatives and may be the simplest system as a “drop-in” replac .. read more

Eliminating Wave Solder Waste with Automatic Dross Reclamation

Wave Soldering continues to be a necessity for many applications in the PCB assembly arena. One of the drawbacks to the Wave Soldering process is the high cost associated with maintaining and o .. read more

Equipment Impacts of Lead Free Wave Soldering

The popular tin (Sn) rich lead free solders are causing severe corrosion to many of the materials used in today’s Wave Solder systems. Users are experiencing higher maintenance frequency and re .. read more

Investigating Mass Imaging Lead Free Materials Using Enclosed Print Head Technology

Within the Surface Mount Assembly (S.M.A.) process,solder paste is primarily used as a mechanical and electrical connection. Solder paste is generally deposited using a mass imaging process,suc .. read more

Taking the Pain Out of Pb-Free Reflow

The introduction of Pb-free solder into the electronics industry has required changes to the standard surface mount process. The largest changes are in the reflow process,as Pb-free pastes requ .. read more

Formation and Growth of Intermetallics at the Interface between Lead-free Solders and Copper Substrates

Intermetallic formation and growth were studied for the alloys Sn-3.2Ag-0.8Cu,Sn-3.5Ag,Sn-0.7Cu,and Sn-9Zn. Coupons of solder joints (prepared by melting some of each solder alloy on a copper-p .. read more

Testing and Analysis of Surface Mounted Lead Free Soldering Materials and Processes

The Massachusetts Toxics Use Reduction Institute (TURI) has sponsored a consortium of Massachusetts based corporations to investigate lead-free (Pb-free) surface mount soldering technology. The .. read more

Finally! Practical Guidelines for Achieving Successful Lead-Free Assembly

With the Waste Electrical and Electronic Equipment (WEEE) Directive in Europe outlawing lead from many electronic devices produced and imported in the EU by July 2006,as well as with foreign co .. read more

Plastic Hermetic Packages for MEMS,MOEMS and Optoelectronic Devices?

The full hermetic package for electronics and optoelectronic (OE) devices was first developed in the 1800’s and has served these industries well. The earliest optoelectronic devices,cathode ray .. read more

Development of MEMS on Printed Wiring Board Platform

A new type of Micro-Electro-Mechanical System (MEMS) structure has been developed on a printed wiring board (PWB) platform. PWB,embedded passives (EP) and High Density Interconnect (HDI) techno .. read more

Mems Packaging: Challenges and Opportunities

One of the greatest obstacles in commercialization of MEMS is the cost of packaging and assembly. Packaging needs for MicroSystems and MEMS technology vary by structure and application. Major i .. read more

MEMS-Based Microsystem Packaging

Sandia National Laboratories has programs covering the range of MEMS technologies from LIGA to bulk to surface micromachining. These MEMS technologies are being considered for an equally broad .. read more

ESD – Steps Against Electrostatic Discharge – Prevention of Electronic Devices and Assemblies

Electronic devices become more and more smaller. Electronic assemblies are sensitive against electrostatic discharge just as much as its smallest and most sensitive element. So protection syste .. read more

State of the Art Detection and Analysis of Outgassed compounds for the Optoelectronics and Micro Assembly Industries

The outgassing level of materials (such as adhesives,composites,plastics,etc.) that are used to assemble and construct optoelectronic packages,sub-assemblies,and other electronic materials is b .. read more