Electronics Manufacturing Technical Articles

Electronics Manufacturing Technical Articles

Papers and articles related to SMT, PCB & EMS industry.

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1757 SMT / PCB Assembly Related Technical Articles

Coating Drug-eluting Arterial Stents Using Ultrasonic Spray Nozzles

Feb 04, 2009 | Harvey L. Berger

One proven method used to treat clogged arteries employs tubular, mesh-like metal structures, known as stents, inserted into an affected artery to relieve the blockage. Bare metal stents often cause a condition called restinosis, the buildup of scar tissue around the stent, causing re-blockage. To counter this, polymer coatings containing drugs that are released over time are used to inhibit restinosis. Applying coatings to stents, which have intricate geometries, is challenging. Using ultrasonic atomizing spray nozzles has proven effective in achieving continuous and uniform coatings. This paper describes the unique nozzle designs employed, the methodology used, and the results obtained....

Publisher: SONO-TEK CORPORATION

SONO-TEK CORPORATION

Manufacturer of precision ultrasonic spraying systems for a myriad of applications. Our patented technologies produce micron size uniform droplets, creating ultra thin layers onto any size or shape substrate.

Milton, New York, USA

Manufacturer

Can You Afford Not To Improve in 2009?

Jan 29, 2009 | Michael Weekes.

Times are tough! Sales are down around the globe and it's getting more and more difficult to make a buck in the electronics industry. We all now have our cell phones and our big HD TV Screen at home so little of our materialistic world is unsatisfied. So how do we keep the doors open in 2009, let alone assure our future in the 21st Century?...

Publisher: Whataboutquality LLC

Whataboutquality LLC

Whataboutquality provides a full spectrum of business process improvement solutions. We can solve a specific issue, help you map out your organization, it's key processs in order to find opportunities and solutions.

Osprey, Florida, USA

Consultant / Service Provider

Hybrid Drying Technology for In-line Aqueous Cleaning of Lead-Free Assemblies

Jan 21, 2009 | Dirk Ellis

This paper describes a new approach to drying circuit board assemblies that significantly reduces the cost of ownership of an aqueous cleaning system. Drying performance is increased through a hybrid drying process that reduces energy input, exhaust requirements and sound levels. The combination of high temperature blow-off and convection brings the flexibility to tailor drying performance to fit the product's drying requirements....

Publisher: Speedline Technologies, Inc.

Speedline Technologies, Inc.

Speedline Technologies serves the electronics assembly and semiconductor packaging industries with class-leading equipment, responsive support and unparalleled process knowledge.

Franklin, Massachusetts, USA

Manufacturer

Pushing the barriers of wafer level device integration: High-speed assembly, the case for MicroTape.

Jan 21, 2009 | Gordon Christison

Over the last 10 years, the adoption of wafer-level packaging (WLP) has expanded to a wide range of semiconductor devices applied in a crosssection of industries from Automotive to Mobile Phone, Sensors to Medical Technology....

Publisher: Siemens Process Industries and Drives

Siemens Process Industries and Drives

Siemens industrial manufacturing software, process automation, and automation and drives technology increases flexibility, cuts market launch lead time, and significantly reduces energy for manufacturing companies.

Alpharetta, Georgia, USA

Consultant / Service Provider, Manufacturer, Training Provider

Creating Solder Joint Reliability with SnCu Based Solders Some Practical Experiences

Jan 15, 2009 | Peter Biocca, Senior Market Development Engineer, Kester.

Tin-silver-copper has received much publicity in recent years as the lead-free solder of choice. SAC305 was endorsed by the IPC Solder Value Product Council in the United States as the preferred option for SMT assembly; most assemblers have transitioned to this alloy for their solder paste requirements. The SAC305 alloy due to its 3.0% content of silver is expensive when compared to traditional 63/37 for this reason many wave assemblers are opting for less costly options such as tin-copper based solders for their wave, selective and dip tinning operations....

Publisher: Kester

Kester

Kester is a leading global supplier of assembly materials to the electronic assembly, component and microelectronic marketplaces.

Itasca, Illinois, USA

Manufacturer

Cleaning High-power Electronics

Jan 06, 2009 | Steve Stach, Austin America; Harald Wack, Ph.D., Naveen Ravindran, Zestron America; Joachim Becht, Zestron Europe

To prevent malfunctions in high-power electronics, flux residues must be removed from flip chip components prior to subsequent processes. As a result, integrating a suitable cleaning application into the manufacturing process of flip chip components is often required. Solvent based applications have re-emerged, and with that, an overall process solution is necessary....

Publisher: ZESTRON Americas

ZESTRON Americas

The globally leading provider of high precision cleaning products, services and training solutions in the electronics and semiconductor manufacturing industries.

Manassas, Virginia, USA

Consultant / Service Provider, Manufacturer, Training Provider

An Experimental and Computational Study of the Current Carrying Capacity of High Performance PWB Interconnections

Jan 01, 2009 | Michael J. Rowlands and Vara Calmidi, Endicott Interconnect Technologiesogies

Recent technology advancement has enabled enhancement in PWB electrical performance and wiring density. These innovations have taken the form of improved materials, novel PWB interconnect structures, and manufacturing technology. One such advancement is Z-axis conductive interconnect. The Z-interconnect technology involves building mini-substrates of 2 or 3 layers each, then assembling several mini-substrates together using conductive paste....

Publisher: i3 Electronics

i3 Electronics

A world leader in high-performance PCB fabrication & assembly, semiconductor packaging, systems integration & test, advanced laboratory services and contract R&D.

Endicott, New York, USA

Manufacturer

Five Myths of Reliability

Dec 23, 2008 | Dr. Nathan Blattau, Dr. Bob Esser, Dr. John McNulty, and James McLeish.

Myth 1: I don't worry about design, because most of my problems are with defects from suppliers......

Publisher: DfR Solutions (acquired by ANSYS Inc)

DfR Solutions (acquired by ANSYS Inc)

DfR Solutions has world-renowned expertise in applying the science of Reliability Physics to electrical and electronics technologies, and is a leading provider of quality, reliability, and durability (QRD) research and consulting

College Park,

Consultant / Service Provider

Fuel Cell Production Revs Up. The Paste Printing Platform And Process Has Other Uses, Too.

Dec 18, 2008 | Clive Ashmore, Global Applied Process Engineering Manager; DEK.

Unless you've been living under a rock the past several years, you are no doubt keenly aware of the global drive toward alternative energy sources. Certainly this initiative is attractive because of the clear environmental benefits of developing fossil fuel substitutes, but also because of potential economic benefit. Although fuel cell technology has been proven viable for various applications, the production costs still remain relatively high, and further process development to promote low-cost, high-volume manufacturing is required to reach a price point that encourages widespread consumer acceptance....

Publisher: ASM Assembly Systems (DEK)

ASM Assembly Systems (DEK)

The ASM SMT Solutions segment is made up of SMT Printing Solutions (DEK) and SMT Placement Solutions (SIPLACE). Under the DEK brand, it sells best-in-class printing solutions for the electronics and solar industries.

Suwanee, Georgia, USA

Manufacturer

Bromide-Free Options for Printed Circuit Boards

Dec 11, 2008 | Craig Hillman, PhD & Seth Binfield

Flame retardants have been around since the Egyptians and Romans used alum to reduce the flammability of wood. Brominated flame retardants (BFRs) first experienced use after World War II as the substitution of wood and metal for plastics and foams resulted in materials that were much more flammable. The widespread use of BFRs initiated in the 1970s with the explosion of electronics and electrical equipment and housings. For the US market, all of these products must conform to the UL 94 flammability testing specifications. In fact, the most common printed circuit board (PCB) in the electronics industry, FR-4, is defined by its structure (glass fiber in an epoxy matrix) and its compliance to UL 94 V0 standard....

Publisher: DfR Solutions (acquired by ANSYS Inc)

DfR Solutions (acquired by ANSYS Inc)

DfR Solutions has world-renowned expertise in applying the science of Reliability Physics to electrical and electronics technologies, and is a leading provider of quality, reliability, and durability (QRD) research and consulting

College Park,

Consultant / Service Provider

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