Electronics Forum | Thu Nov 13 12:08:50 EST 2008 | cisridn
I define First Pass yield without any repairs. But I only consider a PCB to need repair if it fails test. Our boards are inspected before testing and any work done before testing, I consider to be rework and is part of the SMT process.
Electronics Forum | Tue Jul 03 09:13:18 EDT 2001 | rstodd
I work for a memory module manufacturer and I am interested in obtaining information on typical first-pass yield numbers and failure rates in the memory module industry for benchmarking purposes. Any information provided would be greatly appreciated
Electronics Forum | Thu Nov 09 16:38:26 EST 2006 | Julie
Our SQE's want to benchmark the first pass yield requirements that we place on our CM's - currently they are at 95% - does this seem reasonable?
Electronics Forum | Thu Aug 19 14:54:44 EDT 2010 | jamyboy
Has anyone out there successfully switched from First Pass Yield to DPMO metrics and most importantly, sold MGMT on the change?
Electronics Forum | Fri Jun 29 12:47:25 EDT 2012 | deanm
We are experiencing widely varying First Pass Yields for selective soldering. Some boards are near 100% while others are less than 50% depending on the pitch and general complexity of the board. Question: If you are running 100 boards through your s
Electronics Forum | Thu Nov 20 07:05:05 EST 2008 | caerleon
Have a look in http://www.isixsigma.com/ always found this helpfull.
Electronics Forum | Thu Nov 13 10:33:08 EST 2008 | evtimov
Hello everyone, can you tell me hoe you define your first pass yield? In my company it seems that it goes wrong: 1. smt 2. Repair 3. Wave 4. Test(some repairs) 5. FPY Somehow it looks wrong to me. Should it be separately for all processes or it sh
Electronics Forum | Fri Jan 31 12:13:31 EST 2003 | TN
We are having an issue with repeatability and reproduceability in our ICT process. The first pass yield is low but the retest yield is significantly higher. Has anyone out there have done a Gage R&R in their ICT process?
Electronics Forum | Thu Jul 18 08:54:49 EDT 2002 | Mark S.
How do you capture the workmanship details on a "per joint" basis? I have recently implimented first pass yield in SMT but it is based on the whole part and not the number of joints. And yield is calculated by PCB failure rate..a PCB with a solder b
Electronics Forum | Thu Nov 09 22:21:18 EST 2006 | John S.
I would think it would be more productive to compare DPMO. Particularly across different products. A simple board of 20 components should yield much higher than a complex board of 200 components. Also, some consideration should be given to the dif
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