Electronics Forum: chinese printed circuit standards (Page 1 of 10)

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

Assemby of flexible printed circuits

Electronics Forum | Fri May 18 23:48:02 EDT 2012 | mspcb

Hi, Since you're looking information about flexible printed circuits,a book entitled "Printed Circuit Boards R. S. Khandpur" could give you lot of information about flex circuits from Design, Fabrication, and Assembly Phase. The book contains compr

Workmanship Standards

Electronics Forum | Wed Jan 26 15:16:39 EST 2000 | Nancy V

For our electrical/mechanical assembly, (that is not printed circuit boards), we refer to the Martin Marietta Workmanship Standards, copyrighted in 1981. Does anyone know if these standards are still available? If not can anyone refer me to some in

Flex Circuits - Bend proximity spec

Electronics Forum | Wed Aug 04 17:42:11 EDT 2010 | davef

IPC-2223, Sectional Design Standard for Flexible Printed Boards

PCB Flammability

Electronics Forum | Thu Nov 28 09:51:37 EST 2002 | davef

I got here before the experts did. Underwriters Laboratory Incorporated is an organization located in the United States and is purely concerned with product safety performance. UL operates laboratories for the investigation of materials, products,

Flex Circuit

Electronics Forum | Tue May 29 17:24:28 EDT 2001 | hussman

OK, I have a new product being tossed over "the wall" that has a flex circuit layered into a standard FR board and protrudes out of it. The flex circuit is 0.022" thick and is the 3rd layer of 6 layers. The total board thickness of the FR board is

Question on Solder Paste

Electronics Forum | Sun Aug 25 07:15:55 EDT 2002 | cnoonan

What are the industry standards for eutectic solder-paste in conjunction with the life span of solder-paste. What is the recommended duration of solder-paste on a printed circuit board. Example: You print a board, how long can it sit before runnin

CM SIC code

Electronics Forum | Wed May 07 21:16:02 EDT 2008 | davef

Standard Industrial Classification (SIC) Code are sorta pass�. In 1997, the US Census Bureau replaced SIC with NAICS (North American Industry Classification System) in the US. See http://www.census.gov/epcd/www/naics.html NAICS code 334418 Printed

What were your top go-to sources for electronics information and learning in 2018

Electronics Forum | Tue Nov 06 10:06:33 EST 2018 | davef

Electronic Connector Industry News Resources + Surface Finishing + Metal Finishing + Products Finishing + Interconnection World (Connector Specifier) Electronic Connector Associations + IEEE USA + International Electronics Manufacturing Initiative (

Solder paste layout

Electronics Forum | Thu May 10 16:17:59 EDT 2001 | davef

I am unaware of any industry standard for specifying apertures for SM stencils. I am aware of IPC-7525, Stencil Design Guidelines. You can obtain it from IPC [http://www.ipc.org]. Further, it seems like there is an article on stencil design ever

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