Electronics Forum | Wed Dec 18 09:37:24 EST 2019 | davef
People still cut holes in the roof for process venting? Where do you live? Montana? Three companies that support SMTnet want you to consider their fume extraction equipment: * Metcal * ShenZhen J-wide Electronics Equipment Co.,Ltd * PACE Worl
Electronics Forum | Tue Nov 07 07:55:43 EST 2006 | davef
We use J-STD-001, a widely accepted consensus document, control limits of 18-30*C, 30-70%RH. Search the fine SMTnet Archives for background.
Electronics Forum | Thu Aug 14 19:09:41 EDT 2014 | takram
I purchased the JW-3040 manual printer after seeing this company here. They were advertising the JW-3040 as new but their website said they specialize in used products. I specifically asked and was assured that the printer is new and comes with a squ
Electronics Forum | Tue Dec 07 17:38:50 EST 2004 | davef
ANSI/J-STD-003 - Solderability Tests for Printed Boards is widely accepted. That's it, that's the list. If you email us your email address, we'll give you someone to call. Without knowing the number of boards that you plan to run across your wave,
Electronics Forum | Thu Dec 08 14:26:58 EST 2005 | chunks
Start with your board first. Do you have resist/mask between the fine pitch? Is the finish HASL or a flat surface? If there is no mask/resist between the fine pitch leads you may want to reduce the apertures 5%. If the board is HASL, that means yo
Electronics Forum | Wed Jan 11 08:27:35 EST 2006 | davef
MSK As GS told you in an earlier posting, J-STD-002 and IEC 68-2-69 describe methods and equipment for component solderability testing. Go get a copy of either one. The primary component solderability test methods are: * Dip and look method * Wett
Electronics Forum | Thu Jul 07 07:09:16 EDT 2016 | soldertools
BEST is an IPC Master Certification Solder Training Center offering Instructor and Operator courses for IPC-A-610, IPC J-STD-001, IPC/WHMA-620, IPC-A-600, IPC-6012 and IPC 7711/7721. BEST is also known world widely for PCB repair kits and materials t
Electronics Forum | Wed May 03 20:04:21 EDT 2000 | Dave F
Joe: Hey, just hose everyone down with water when your humidity starts to decrease to below 40%. ;-) Actually, that�s how some humidity controllers work, when added to your heating system. Well basically that�s how they work. I�m not tryin� to
Electronics Forum | Fri Oct 13 13:44:03 EDT 2000 | Mike McMonagle
You can achieve a wide range of dot heights when stencil printing by using a polyimide stencil along with a .040 snapoff. Loctite has a system for this that they call Varidot, by varying the size of the apertures in combination with the .040 snapoff
Electronics Forum | Thu Aug 17 22:22:29 EDT 2000 | C.J. Long
Hi erverybody: I am from a PCB shop. One of our product is with 19 X 19 ceramic BGA and my customer is experiencing 0.1 - 04 % failure of open trace on cornoer BGA pad. Substrate is FR4 with TG 135 degree C and delta Tg is well below 3 degree C. Tra
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