Electronics Forum | Fri Mar 02 10:17:16 EST 2001 | daled
I have read that with the advent of no clean fluxes, Isopropyl alcohol is not the best cleaning agent to use when cleaning screen's and pcb's.Is this true?..and if so what are the alternatives ?. We have just changed 90% of our products over to NO CL
Electronics Forum | Tue Nov 25 14:12:17 EST 2008 | mikesewell
I've used handheld ultrasonic gages on silicone in the 4-12 mil range. A coupling agent is needed between the transducer and the material - we used DI water vs. the supplied gel. Fairly straightforward, setup is done off a reference thickness of ma
Electronics Forum | Mon Oct 31 15:38:45 EDT 2016 | jbreit
Hi All- I've got an old industrial dishwasher converted over to a screen wash. It's a closed system, one screen at a time. Total volume of about 10 gallons, no heater. RoHS solder. This thing is foaming up like a rabid animal. The screens go in
Electronics Forum | Mon Aug 17 02:50:44 EDT 1998 | Bob Willis
| Have an SRT w/preheat, 18 layer board all copper, 456 BGA needs to be removed and replaced. The manufacturer is Chip Express and during reflow it warps up or down. Causing either opens or shorts on the corners. I was using gel flux with multiple
Electronics Forum | Wed Jul 27 09:58:05 EDT 2011 | davef
Pressure printing systems Conventional stencil printing techniques have fundamental limitations as regards paste handling: The volume of paste available for printing is limited, so frequent replenishment is necessary Paste is difficult to c
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