Electronics Forum | Fri Jan 29 05:14:06 EST 1999 | Graham Naisbitt
Hi guys, I really am at a loss to understand this one. It would appear that there may be some reaction between the flux and the resist? Or maybe you have an OSP on the board that is reacting during soldering? As a fast fix, maybe you should try a
Electronics Forum | Fri Mar 17 07:51:49 EST 2000 | Peter Barton
John, I have had previous experience of immersion silver coated PCB's in place of HASL coated type using no-clean processing with little or no problem at all. All of the process parameters were left unchanged. There is a very minor difference in th
Electronics Forum | Sun Feb 13 19:04:13 EST 2000 | Jackie Hsieh
First I'm a Taiwanese people so excuse my bad english writing. On my experience, The process of double side SMT procedure with two methods ---First one is appling the glue on the solder side, and placeing the R,C,L chips components on it.and 2nd one
Electronics Forum | Tue Feb 15 11:48:30 EST 2000 | Steve Thomas
Thanks for your responses, gentlemen. I'm really just looking at options, and frankly, being a novice at this stuff I'm looking for the info. required to make a semi educated decision. You, kind sirs, are my educators. And that probably scares m
Electronics Forum | Wed Sep 27 13:45:35 EDT 2000 | Bill Schreiber
Dear Dreamsniper, A big hidden cost in any cleaning system is the cost of diminished production and rework. I assume you are cleaning the adhesive stencils manually since there is no equipment cost in your formula. Manual cleaning of adhesive sten
Electronics Forum | Thu Sep 21 05:46:34 EDT 2000 | Wolfgang Busko
Once you know what your print should look like, means you have found the right apertures, stencil thickness, stencil finish and the right printer adjustments and alignments, the main things to watch for or better to control when printing is in progre
Electronics Forum | Mon Aug 28 14:12:51 EDT 2000 | Earl Moon
1/4 thimble! Obviously, you read none of may articles. HASL has more than a simple topographical problem, and so on. You also would know that TCE, while being an important issue, can be overcome as a problem with optimized pad designs. You would kno
Electronics Forum | Mon Jul 17 20:20:53 EDT 2000 | Dave F
There is a wide range of price points and configurations for such equipment. RFA (Read the Fine Archives) and contact the suppliers (supplier lists are in SMTnet and "SMT" & "Circuits Assembly" etc magazines) and get back to us with specific question
Electronics Forum | Tue Jul 11 12:52:16 EDT 2000 | JohnW
Hi Guy's.. Been a long time since I've been on the forum so let's start by saying..dave..great recipe!!!.. Anyway's why am I on for...ha yes board deflection Wave soldering is a fun past time at best, it's made even more fun when your board deflec
Electronics Forum | Tue Jul 04 16:13:09 EDT 2000 | TOOLMANTIM
HELLO BILL I HAVE SOME QUESTIONS FOR YOU 1:HOW ARE YOU CLEANING YOUR STENCIL 2:ARE YOU SINGLE OR DOUBLE PRINTING. 3:ARE YOU USEING VACUUM FIXTURES OR NOT? HERE ARE SOME OTHER THINGS TO TRY. IF YOU ARE CLEANING YOUR STENCIL OFTEN BECAREFUL OF USEING
