Electronics Forum | Thu Apr 17 14:14:17 EDT 2003 | davef
Takfire Questions are: * Why does your customer think the capacitor is the issue? [What are we thinking? Of course the capacitor is causing this voiding problem. What else could it be?] * What are the type, construction, end-cap material and plati
Electronics Forum | Thu Apr 17 07:31:48 EDT 2003 | caldon
Hello All- Sorry this is not a technical issue, but I wanted to thank the SMTnet forum and those who expresessed concern during my job search. I am working!!! I will be responsible for generating business for CTDI (www.CTDI.com)a large private Eng
Electronics Forum | Fri Apr 18 10:45:34 EDT 2003 | tsongshe
I'm sure the parts and solder paste are well registered. these transistors are commonly to252 package,and sometimes to263 package.I 've a picture of these two diffrent kinds of pad patterns of to252,but i don't know how to post it here... Thanks ®ard
Electronics Forum | Sun Apr 20 07:34:42 EDT 2003 | tsongshe,Bryan
Hi,all, I'm very glad here this site to meet so many friends,and learned much from you.It's very lucky that oneday I found this website(forum),and so I come frequently to share many precious experience with you.Thank you very much. Bryan.c.x.she@
Electronics Forum | Tue Apr 22 11:02:42 EDT 2003 | k_h
I'll throw this out there also: http://picturecenter.kodak.com/share?invite=HE2r4mzhP5YLJkvkhU1o It shows void slots (purple) in the copper on the perimeter of the smaller transistors heat sink. Should keep the smaller transistor from moving while th
Electronics Forum | Mon Apr 21 09:01:38 EDT 2003 | russ
Wave solder - Initially high cost but after that it is relatively cheap. Selective soldering with a solder pot such as the Air-Vac PCBRM models - Much lower cost than wave but if you get the right nozzles it is a great process. Solder preforms - s
Electronics Forum | Wed Apr 23 19:24:29 EDT 2003 | MA/NY DDave
Hi Grant, You already have a few good answers. If you have but one to a few BNC connectors I would kind of use the advice here or do what you already are doing aka hand soldering. I would not install a Wave Solder line for a really low volume of BN
Electronics Forum | Thu Apr 24 09:41:55 EDT 2003 | caldon
You may want to contact Cookson Electronics as they are leading the surge on "LEAD FREE" You may want to post your question to Chyrs Shea at Alpha Metals (Cookson). cshea@cooksonelectronics.com She should be able to field your question and put you i
Electronics Forum | Tue Apr 22 13:05:01 EDT 2003 | Mr. B
I am curious on some opinions on cleaning of boards. We have a board wash but after the wash we still need to stem them for better cleaniness. The timed steaming is prox. 2 mins a side and by the way this is a medical board. So if you got and suggest
Electronics Forum | Wed Apr 23 08:44:06 EDT 2003 | davef
So, steaming your boards in a box makes them cleaner? Never heard of that. What are you removing from your boards? The longer the conveyor in your washer, the faster you can run it, but then again it's longer. Consider that a saponifier or someth
