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
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....
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....
Electronics Forum | Thu Nov 09 15:01:44 EST 2006 | jdengler
I was quoted a new ERSA IR550_PL550 unit last year for $36,500.00. I purchase a previously owned but never used one for $28,000.00. Jerry
Electronics Forum | Tue Jul 20 17:47:28 EDT 1999 | Deon Nungaray
| I recently switched from solder paste in 500 gram jars to 500 gram tubes. I did this to try to limit the time the paste is exposed to the room environment. But we have a need to clean the stencil every 4 - 5 boards which means taking the bulk paste
Electronics Forum | Wed Jul 21 11:49:24 EDT 1999 | Deon Nungaray
| | | | I recently switched from solder paste in 500 gram jars to 500 gram tubes. I did this to try to limit the time the paste is exposed to the room environment. But we have a need to clean the stencil every 4 - 5 boards which means taking the bulk
Electronics Forum | Tue Jul 20 19:09:25 EDT 1999 | JohnW
| | I recently switched from solder paste in 500 gram jars to 500 gram tubes. I did this to try to limit the time the paste is exposed to the room environment. But we have a need to clean the stencil every 4 - 5 boards which means taking the bulk pas
Electronics Forum | Wed Jul 21 10:05:22 EDT 1999 | Mark Quealy
| | | I recently switched from solder paste in 500 gram jars to 500 gram tubes. I did this to try to limit the time the paste is exposed to the room environment. But we have a need to clean the stencil every 4 - 5 boards which means taking the bulk p
Electronics Forum | Sat Jan 15 16:59:47 EST 2000 | Steve Thomas
Thanks, Mark. Actually we already have an established mark. We use 500ppm (99.95%) as our acceptable level. Problem is, someone (another manufacturer) told someone else (our pres.) that THEY build to 50ppm. Soooooo, someone else told my boss that
Electronics Forum | Wed Jun 03 13:50:32 EDT 1998 | Chrys
| Can anyone tell me if there is a reference for smt component height specs on the bottom side of a board, which will also go through wave soldering. A current design I am reviewing has tant caps(7343) and a crystal on the back side. Should I only b
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