|
escrito por Dr. Eric Mounier
|
|
lunes, 27 de agosto de 2007 |
|
Los componentes semiconductores tienen una presión constante de aumentar el funcionamientos mientras disminuyen su tamaño. |
|
|
escrito por JIM MORRIS, MATTHEW J. O’KEEFE AND MARTIN PEREZ
|
|
lunes, 27 de agosto de 2007 |
|
La corrosión de los crisoles de soldadura y de los componentes
del
crisol en el equipo de soldadura de ola se ha reducido con la introducción de capas resistentes a la corrosión y de aleaciones sin plomo mejoradas. |
|
|
escrito por Irving Y. Chien, Jack Zhang, Lou Rector and Michael Tod
|
|
miércoles, 07 de febrero de 2007 |
Due to the singulation and soldering processes required during package assembly, device warpage after molding is a critical issue for array packages. |
|
|
escrito por Soeren Hirsch, Soeren Majcherek & Bertram Schmidt
|
|
miércoles, 07 de febrero de 2007 |
|
This paper reports on a method for estimating and minimizing mechanical stress on MEMS sensor and actuator structures that is caused by the packaging processes. |
|
|
escrito por Mike Bixenman, Erik Miller and Fernando Rueda
|
|
miércoles, 07 de febrero de 2007 |
|
When industry announced the intention to eliminate lead (Pb) from the soldering process, a number of experiments were performed to test the cleaning efficacy of Pb-free soldering materials. |
|
|
escrito por Dr. Gerald Pham-Van-Diep, Srinivasa R. Aravamudhan, Joe Belmonte1, Dr. Benlih Huang
|
|
viernes, 26 de enero de 2007 |
|
One manufacturing process used to attach RFI shields for medical applications/cellular phone circuit board assemblies consists of “snapping” the shell-like shields onto solder spheres that are soldered to printed circuit board [PCB] pads. |
|
|
escrito por Wack, Schweigart, Tosun, Becht, Afshari and Ellis
|
|
viernes, 26 de enero de 2007 |
|
As the entire electronic manufacturing industry braced for the July 1, 2006 deadline, it has been reevaluating the entire production process. |
|
|
escrito por Marc Apell, Tad Formella and Alden Johnson, Speedline Technologies, Inc.
|
|
viernes, 26 de enero de 2007 |
|
As more electronic assemblers move to lead free SMT production, concerns are raised over reflow cooling slopes and effects on solder joints. |
|
|
escrito por Peter Biocca
|
|
lunes, 08 de enero de 2007 |
Tin-silver-copper has received much publicity in recent years as the lead-free solder of choice.
|
|
|
escrito por Bob Douglas
|
|
lunes, 08 de enero de 2007 |
Most business intelligence (BI) tools and supply chain management (SCM) applications address inventory issues from either a software perspective or a material handling perspective;. |
|
|
escrito por Joel Deutsch
|
|
lunes, 08 de enero de 2007 |
|
Rampant counterfeiting in regions such as Asia has made strict research into the documentation and authenticity of chips an essential prerequisite for accepting ICs for integration into manufactured products. |
|
|
escrito por John H. Lau and Luo Dao Jun
|
|
viernes, 01 de diciembre de 2006 |
In the past few months, there have been many articles written on the China RoHS. Most of them, however, have been not only misstated but misleading. Of those that were correctly reported, few presented a complete picture of the China RoHS. |
|
|
escrito por Michael Kochanowski and Brian Toleno
|
|
viernes, 01 de diciembre de 2006 |
The adoption of lead free solders has decreased the reliability of BGA packages subjected to shock and bend events. |
|
|
escrito por William E. Coleman Ph.D. and Michael R. Burgess
|
|
viernes, 01 de diciembre de 2006 |
|
In the early days of SMT assembly, step stencils were used to reduce the stencil thickness for 25 mil pitch leaded device apertures. However, as SMT requirements became more complex and, consequently, more demanding, so did the requirements for complex step stencils. |
|
|
escrito por Kevin Curran, the electronics group of Henkel
|
|
martes, 07 de noviembre de 2006 |
|
Just because a material is free of the RoHS list of excluded substances, doesn’t mean it can withstand processing at the elevated temperatures of lead-free. |
|
|
escrito por Speedline Technologies
|
|
miércoles, 25 de octubre de 2006 |
|
This white paper addresses six questions relating to the phenomenon of tin whiskers.
|
|
|
escrito por Amey Teredesai, Srinivasa Aravamudhan, Joe Belmonte, Richard Szymanowksi
|
|
miércoles, 25 de octubre de 2006 |
|
One area of interest that requires additional experimentation and
understanding is the ability of the Pb-free alloys to self-center
offset components compared to the Sn/Pb alloy.
|
|
|
escrito por Brian Prescott, Speedline Technologies
|
|
miércoles, 25 de octubre de 2006 |
|
Typically, dispensing platform
specifications do not include the error associated with positional
mechanisms, which greatly contributes to final accuracy and
repeatability.
|
|
|
escrito por Al Cabral
|
|
viernes, 13 de octubre de 2006 |
|
This paper describes a practical approach to characterizing the thermal
performance of similarly configured rework systems, with the aim of
yielding like thermal performance.
|
|
|
escrito por Michael T. Konrad
|
|
viernes, 13 de octubre de 2006 |
|
There are several steps in determining IF and HOW to implement a de-fluxing strategy. Lead-free soldering and reflow environments mandate a more critical de-fluxing due-diligence process. |
|