Electronics Forum: circuit and base (Page 1 of 50)

Re: Laminate base material

Electronics Forum | Mon Mar 27 20:52:22 EST 2000 | Dave F

Marc: In printed circuit board fabrication, fabricators place sheets of prepreg between each pair of glass cores. They stack these layers into books. As they heat and press the books, the sheet melts into an epoxy glue. The thickness of the prepr

Cleaning assembled circuit boards?

Electronics Forum | Thu May 20 08:51:29 EDT 2010 | jry74

A lot of our dewetting is happening on plastic body components, such as ICs. When they are manufactured, the molding process requires a mold release to make the part release after molding. Usually, the release agent is silicon based, but you can't

Flux residue effects on circuit performance?

Electronics Forum | Mon Apr 29 04:33:05 EDT 2002 | ianchan

You can try using the brand-solvent "Genesolv 2004" in conjunction with a degreaser machine(source for own machine type?). this all helps to clean off the NC flux. we used it all integrated together, to clean a satellite modular card. reason we ha

ionic residues on the surface of printed circuit assemblies

Electronics Forum | Wed Sep 02 16:41:44 EDT 2009 | pcbcleaning

Advanced Cleaning Solutions is a Johnstown, PA based electronic manufacturing service provider (EMS) with more than 3,500 square feet of ESD safe facilities. Our services include precision PCB cleaning and ionic cleanliness testing/verification usin

Re: How long to burn in a circuit board

Electronics Forum | Mon Feb 14 12:07:47 EST 2000 | Dave F

Leslie: Product screens and tests of prototypes and test vehicles should be tailored for the specific goal and product. I caution your use of equations and test condition information without specific use environments and design conditions. Lawyer:

new to circuit boards trying to figure out where to connect positive and negative power to wireless transmitter

Electronics Forum | Mon Jan 30 12:35:31 EST 2017 | davef

Look here: http://arduinobasics.blogspot.com/2014/06/433-mhz-rf-module-with-arduino-tutorial.html

new to circuit boards trying to figure out where to connect positive and negative power to wireless transmitter

Electronics Forum | Thu Feb 02 16:59:54 EST 2017 | smduke

thank you, that will help. I also purchased a beginner kit so I can learn how to use this stuff.

new to circuit boards trying to figure out where to connect positive and negative power to wireless transmitter

Electronics Forum | Mon Jan 30 10:01:07 EST 2017 | smduke

Hello and thanks in advance. I am new to this stuff, I bought a wireless transmitter receiver and am wondering how to connect the power source, a buzzer to the receiver and a led light to the receiver. attached is a screen shot of what I have and wh

PDBE and PBB replacements???

Electronics Forum | Fri Mar 11 18:30:50 EST 2005 | davef

Russ: In December 2003, the European Commission released the following statement: �The commission services have prepared a draft Commission decision establishing maximum concentration values pursuant to Article5(1)(a) of Directive 2002/95/EC. The pr

AOI, Quality and SPC

Electronics Forum | Tue Mar 04 17:27:07 EST 2003 | msivigny

Hello Dave, I can understand why you might not use the auto-correct function based on the time it takes to perform the operation. I question why there is an auto-correct function in the first place? If I understand the way this works correctly, the m

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