Electronics Forum | Tue Jan 09 13:01:17 EST 2007 | stepheniii
Not unless it's a case of "the only difference is..." What I mean by that is more than once I've been told the only difference in a new rev is one component or one change. But the truth was that was the only reason for the change, and in fact there
Electronics Forum | Thu Apr 18 17:47:42 EDT 2024 | dwl
Is your stencil worn out? If your once flat stencil is now wavey, you will be depositing more paste. Ideally, you'll have historic SPI data to compare known good volumes from past prints to the current. Another possibility is moisture. Bake your boa
Electronics Forum | Thu Jan 13 15:19:51 EST 2000 | Dave F
Hey Jack: It's certainly "do-able." Conformal coating adhesion testing was done as part of the "Evaluation of Low Residue Soldering for Military and Commercial Applications: A Report from the Low Residue Soldering Task Force," published by Sandia Na
Electronics Forum | Fri Dec 21 15:32:57 EST 2007 | rwyman
Hey SWAG- Not an uncommon scenario where I'm at. But the bottom line is, as others have said: Profile, profile, profile. Here, we have dedicated profile boards for each product we build and in most cases they're EXACT representations (my library i
Electronics Forum | Thu Mar 30 08:59:46 EST 2006 | Dan
Yes the balls are at the outer edge. The chips we have are not showing exposed copper, but the lead-free finish...
Electronics Forum | Thu Mar 30 10:21:44 EST 2006 | Dan
Sorry about that(My bad), they are copper. I believe the same thing, we need to reduce the appatures as we are already at 5mil. Our main problem is the customer...Their tests were failing and for some reason they touched that part up, and then the un
Electronics Forum | Mon Nov 17 11:09:56 EST 2003 | Frank
Hi, I have a soldering problem with a header SMT straight single row of 8 pins. It's a samtec #TSM-108-03-T-SV-P (P&P). The first problem I have is an allignement one. I do not use alignement pin for now but I expect to use it. Concerning solder
Electronics Forum | Mon Oct 22 15:30:57 EDT 2001 | Basaran
Is there anybody in this forum who is using TI DSP 320C6203 modules for communication devices. I would like to know if anyone has problems with Solder bump- Ni pad interface delamination or problems with signal quality.? Cemal Basaran
Electronics Forum | Tue Sep 04 07:34:02 EDT 2001 | Shvetang Dewashrayee
We have problems of solder shorts while using DEK Infinity printers. Some of the manufacturing lines are configured ina way that the side (bottomside) of PCBs mostly with passive parts is screened first and then the otherside (topside) of the PCBs w
