Electronics Forum | Wed Jan 11 22:47:31 EST 2006 | davef
We didn't intend to light anyone's fur on fire [get anyone's underwear in a knot, roil the waters, have a cow man] about consultants. The Phil Zarrow wrote a useful paper that could help in evaluating paste. Here read it ... Evaluating Solder Paste
Electronics Forum | Thu May 26 08:52:42 EDT 2011 | davef
Phil Zarrow wrote a useful paper that could help in evaluating paste. Here read it ... Evaluating Solder Paste � Not An Option Contributed by Phil Zarrow of ITM an Independent SMT consulting firm With soldering being the dominant source of assembly
Electronics Forum | Tue Feb 24 16:57:03 EST 1998 | henry
EQUIPMENT FOR SALE QUAD 100 V3/V6 Low hours, Excellent condition, All latest factory revisions Firmware 3.65 Central controller software 5.6D with computer system Autoprogram software 5.31 1- 28" Latching feeder base 5- 4" Latching feeder b
Electronics Forum | Tue Jan 05 10:17:25 EST 1999 | Earl Moon
| | | Does anyone have any experience with vibration testing of BGA packages and assemblies? We are starting to design BGA's into some of our products and we have not found very much information on vibrational test results. Any information will be
Electronics Forum | Wed Apr 21 12:21:57 EDT 2004 | davef
Please help us understand your situation better. * How do �Having Problems W/ Parts Moving At Reflow� and �When the boards come out of the oven the pads look very wet from flux� relate to one another? * Tell us about solder, flux, reflow profile, and
Electronics Forum | Mon Jun 16 22:50:07 EDT 2008 | davef
In the late 80s or early 90s, National Physical Laboratory (NPL) in the UK researched the frequencies and power levels that could be used for ultrasonic cleaning of electronic boards. The resulting reports by Dr. Colin Lea or maybe Peter Foote were a
Electronics Forum | Mon Jan 11 11:33:36 EST 1999 | Bob Willis
As part of an analysis of the status of lead-free soldering National Physical Laboratory in the UK is undertaking a short survey, and would be grateful if you would spare a few minutes to answer a few questions. The SMART Group is providing five Int
Electronics Forum | Sat Jan 16 02:43:21 EST 1999 | Earl Moon
| Hello, | | We are qualifying new sources of PWB vendors. We've got the first lot of "produciton" boards in and we want to put them through the paces before turing the vendors on. | | So far, the tests I can think of performing, and that we have
Electronics Forum | Sun Nov 08 15:27:25 EST 2015 | davef
Thinner: Flux thinner, NOT paint thinner We kept a spare stone in thinner in inventory. We cut PVC pipe to size, cap in one end, screw thread on the other, stone inside, filled with flux thinner and covered with a screw cap. I don't remember who we
Electronics Forum | Sat Feb 14 19:35:51 EST 1998 | C. Lao
Mr Lao We have some specialist knowledge on this subject and offer both equipment and services for these tests. My first recommendation is that take coupons manufactured by your PC Fabricator and then samples at each manufacturing stage: Bare coupon
