Electronics Forum: ppm (Page 1 of 45)

Benchmarking ppm

Electronics Forum | Thu Nov 03 20:56:51 EST 2005 | davef

Search the fine SMTnet Archives. For instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=35378

Benchmarking ppm

Electronics Forum | Thu Nov 03 14:48:59 EST 2005 | Jason Miller

I've been tasked with identifying what world class quality should be for my company's products (custom military/avionics power suppliers & custom transformers/inductors/magnetics, see http://www.hirelsystems.com for more info). I can't get a shred o

Industry benchmark ppm number

Electronics Forum | Sat Apr 25 08:48:45 EDT 1998 | raymond

Is there an industry standard in calculating SMT process PPM level for benchmarking purpose ? What are the industry benchmark ppm number for some of the defects like solder short for 20-mil QFP, tomstone problem for 0603 components etc....

Re: Industry benchmark ppm number

Electronics Forum | Sat Apr 25 12:58:13 EDT 1998 | Earl Moon

Is there an industry standard in calculating SMT process PPM level for benchmarking purpose ? What are the industry benchmark ppm number for some of the defects like solder short for 20-mil QFP, tomstone problem for 0603 components etc....

help vitronics soltec reflow ppm reach 10014

Electronics Forum | Mon Sep 08 10:32:39 EDT 2014 | nhel_0009

Right sir we already fix it by loading configuration from other machine

help vitronics soltec reflow ppm reach 10014

Electronics Forum | Mon Aug 18 06:30:23 EDT 2014 | nhel_0009

Hi guys. Kindly help me on our reflow (vitronics soltec). My problem is the n2 value reach 10014...any possible solution or suggestion guys..

help vitronics soltec reflow ppm reach 10014

Electronics Forum | Mon Aug 18 06:35:44 EDT 2014 | nhel_0009

Hi guys. Kindly help me on our reflow (vitronics soltec). My problem is the n2 value reach 10014...any possible solution or suggestion guys..

help vitronics soltec reflow ppm reach 10014

Electronics Forum | Mon Sep 08 09:11:30 EDT 2014 | jdenuzzia

We resolved this issue a few weeks ago. It was a configuration mismatch in the oven (MR933+)software with the onboard O2 analyzer.

Why measure O2 ppm level in N2 environment

Electronics Forum | Wed Mar 05 08:12:56 EST 2003 | nifhail

Hi Mike, How do we measure the O2 ppm in N2 environment. I don't understand why the customer keep insisting me to use N2 instead of Air. I don't see the need for it as I done have any soldering issue. Can you share with me why N2 is needed at the fi

Why measure O2 ppm level in N2 environment

Electronics Forum | Fri Mar 07 10:51:53 EST 2003 | dphilbrick

Another value add of N2 is when you are running a gold over nickel process it is recommended that you reach a peak of 220c instead of 215 when running in air. When you add N2 you can maintain that 215 number with the same results. If you look at your

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