Electronics Forum: dpmo (Page 1 of 13)

dpmo

Electronics Forum | Tue May 09 09:49:15 EDT 2000 | paul richardson

Can someone give me DPMO numbers that are considered "world class" (if there is such a number) for... a)solder joints b)placement I appreciate any input that will get me closer to a number that will appease the bosses AND be realistic.

Re: dpmo

Electronics Forum | Thu May 18 15:04:13 EDT 2000 | Dirk McCoy

I have heard the following from various sources (that I believe) that apply to volume manufacturers as of late last year: dpmo with BGAs- 300 dpmo with .020" pitch- 75 dpmo with 0402s and .020" pitch- 40 Our lines run around 90-200, but have some p

Re: dpmo

Electronics Forum | Fri May 19 04:45:53 EDT 2000 | Moss Dore

Just on the basis of initiating a DPMO measurement system, can anyone point me in the right direction as to web sites/articles etc. TIA Moss

Re: dpmo

Electronics Forum | Wed May 17 17:21:18 EDT 2000 | Michael Parker

Paul- Start with apples to apples comparison. What world class product are you building that would benefit from a benchmark comparison? Other than that, if you are just starting then crunch the numbers, find the highest values, do continuous improvem

Defect Per Unit (DPU) versus DPMO

Electronics Forum | Thu Mar 29 16:20:41 EDT 2007 | stepheniii

I'm curious if you take specific actions based on the results of your DPMO.

IPC-7912, IPC-9261 DPMO

Electronics Forum | Thu Oct 23 21:15:15 EDT 2008 | ikonify

Has anyone been using the following documents for DPMO and any feedback on them? IPC-7912 - Calculation of DPMO & Manufacturing Indices for Printed Board Assemblies IPC-9261 (In-Process DPMO Estimated Yield for PWA) Also is there any databases rea

Placement Defect Rate Benchmark

Electronics Forum | Wed Feb 23 16:25:33 EST 2000 | John

We are using a glue and wave solder process for primarily chip components. Our products do not use any fine pitch components. What would an acceptable benchmark for the placement defect rate be? 50 DPMO? 100 DPMO? 200 DPMO? Thanks in advance,

Placement Defect Rate Benchmark

Electronics Forum | Wed Feb 23 16:25:33 EST 2000 | John

We are using a glue and wave solder process for primarily chip components. Our products do not use any fine pitch components. What would an acceptable benchmark for the placement defect rate be? 50 DPMO? 100 DPMO? 200 DPMO? Thanks in advance,

Supplier Rating PPM/DPMO

Electronics Forum | Wed Jan 28 16:42:21 EST 2004 | davef

Consider what you are trying to assess. Any product with one or more defects will cost you money. Your supplier should be using: 9261 - In-Process DPMO and Estimated Yield for Printed Board Assemblies You should be using: 7912 - Calculation of DPM

DPMO calc and Overall Manufacturing Index (OMI) calculations

Electronics Forum | Mon Aug 27 19:24:00 EDT 2001 | sharafali

It has been mentioned that DPMO offers large advantages over First Pass yield calculations for measuring process performance!!regarding the same I have a few queries: What are the benchmarks for using DPMO as measures of process performance? How is

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