Electronics Forum | Mon May 04 10:06:49 EDT 2020 | davef
Some Class 3 customers don't want their products to be comingled in assembly processes with Class 2 products.
Electronics Forum | Mon Mar 07 21:37:42 EST 2005 | ABHI
It depends on your product requirements. I have seen aluminium wire bonding operations in as high as class 100K clean rooms. These are the assembly areas for calculators. The best is class 10K clean room for wire bonding. You can go upto fine pitch w
Electronics Forum | Tue Jan 06 13:26:47 EST 2015 | rgduval
I can't say I've ever heard that you shouldn't rework class 3 products. Since class 3 and class 2 are inherently inspection standards, rework might be required to meet class 3 specs. In the past, that has been an issue, as everyone wants to produce
Electronics Forum | Fri Feb 06 11:11:04 EST 2015 | mascott123
I have asked that same question to a co-chair of the J-STD-001 committee who in turn checked with personnel at IPC. The answer I received is that yes you can apply the Class 3 assembly requirements using a class 2 PWB but the resultant assembly will
Electronics Forum | Wed Apr 09 14:09:54 EDT 2003 | davef
MA/NY DDave, I'll take your money. I'm betting on the Class II, whatever that is, because: * Solder is the same. * Board is the same from a fabrication and probably materials standpoint. * Components are the same. * Processing is the same. ... but
Electronics Forum | Mon Jan 12 21:31:26 EST 2015 | warwolf
The closer your inspection the more defects you will find, the more rework you do the possible cost you will add and the potential increase of damage you could do to your products if rework is not up to a machine copyable standard. "Is there any in
Electronics Forum | Mon Dec 29 23:35:42 EST 2014 | abhilash4788
Dear All, I'm just a budding engineer in EMS field. Here we used to manufacture different classes of PCBA. I would like to know about different process that need to be considered while manufacturing class 3 product. If we are going for microscopic
Electronics Forum | Mon Jul 30 09:52:50 EDT 2001 | markt
What are the major items that differentiate tooling classes?
Electronics Forum | Mon Apr 29 22:34:05 EDT 2002 | davef
One size does not fit all. There are classes of products and there should be classes of pads.
Electronics Forum | Wed Apr 09 09:36:18 EDT 2003 | iman
what r your test running parameters? what end-application?
