Electronics Forum: dpm rate (Page 2 of 2)

how to achieve 500ppm?

Electronics Forum | Tue Jun 14 10:38:53 EDT 2005 | Stefan

500 rejected (?) per million placed components is a very good rate, considered that it would be better than 4 Sigma if you name it defects on the board. Or do I incorrectly convert ppm to dpm? * 3 Sigma 66,800 defects per one million opportuniti

Re: Closer lead more soldering bridge by using spray flux

Electronics Forum | Tue Jun 08 17:52:53 EDT 1999 | Chrys Shea

| | | Hi,my master | | | How to iron out such soldering bridge with below conditions: | | | 1.The component(Harness)lead pitch is 2.0mm,the lead length is 3.2mm. | | | 2.PCB width is 1.6mm.Pad size is 1.65mm.Its a single copper PCB | | | 3.using s

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