Electronics Forum: pass (Page 4 of 142)

Embedded Capacitance

Electronics Forum | Tue Mar 31 22:10:43 EDT 2009 | davef

5min) PASS IST Testing (500 cycles) PASS Core Level Hi-Pot Testing PASS (100V/sec; 500Vmax) Finished Circuit Level Hi-Pot PASS (100V/sec; 500Vmax)

cracked capacitors at SMT 1&2

Electronics Forum | Wed Aug 18 08:58:49 EDT 2004 | M.Enright

We are finding cracked capacitors at both first pass and second pass.

Boards getting

Electronics Forum | Wed Aug 03 08:15:57 EDT 2005 | ajaydoshi

We do pass board on mesh instead of chain for first side. For second side pass on chain.

First Pass Yields

Electronics Forum | Fri Nov 24 09:15:30 EST 2006 | davef

Julie: What is the benefit of your SQE requiring that your CE meet your first pass yield targets?

DEK 265 Horizon

Electronics Forum | Thu Feb 21 18:43:35 EST 2019 | dekhead

Are you saying that it works in print mode and not in pass thru mode? Or that is won't pass boards downline regardless?

First Pass Yields

Electronics Forum | Thu Nov 23 09:41:36 EST 2006 | Jon

The DPMO is a far better measure - first pass yield doesn't give you any indication on quality or effectiveness of test step. If you want 100% first pass yield, test nothing - works every time - you see where I am coming from..........

ESD Protection - Hair

Electronics Forum | Fri Aug 31 11:27:53 EDT 2012 | markhoch

We actually use a turnstyle that you'd see in a subway terminal, connected to an ESD Tester. All operators must pass through this turnstyle everytime they step out onto the production floor. If they don't pass the ESD Test, the turnstyle will not all

Re: Double sided smt

Electronics Forum | Sat Nov 06 14:58:45 EST 1999 | Gary Moravchik

Assuming you are using Sn63/Pb37 solder paste, have you tried using a lower temp melting point solder paste for the second pass? For example, use 63/37 for first pass and a Bi58 compound solder paste for the second pass. If I recall, Bi58's melting

manual stencil print 2 passes

Electronics Forum | Mon Dec 22 12:14:15 EST 2008 | pcbbuilders

we sometimes have problems with solder paste release. we use a manual stencil printer. does anyone have any thoughts on using two passes of solder paste on the stencil? i have found that running the second pass gives me better deposits on the fine pi

Stencil Printing Experiment without AOI

Electronics Forum | Mon Jan 06 23:25:29 EST 2003 | Dreamsniper

I made an experiment with our semi-auto stencil printer and used my naked eye to decide whether the alignment and deposition is pass or fail. I based the results in percentage and 100% is perfect result. Now here's the question: Can anyone tell me w


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