Electronics Forum | Wed Dec 13 19:40:38 EST 2000 | Jerry Wetzel, SME, EM/SME
Your profile must be precise, your stencil aperture sizes and shapes are very important, and the size of the pads on the boards should be very close to what the part manufacturer recommends. We had some trouble with hi-temp paste, and discovered tha
Electronics Forum | Thu Dec 07 13:50:10 EST 2000 | akruppa
Hi Hany, Unfortunately, as things presently stand, there is no method for posting an image directly to the forum. You can post an image to another location, such as Yahoo�s Geocities (www.yahoo.com), www.driveway.com, or any other similar site. If
Electronics Forum | Thu Nov 30 23:48:16 EST 2000 | DL
Dave, Thanks for the input. I cant beleive I didnt think to check the suppliers web site, I feel like an... well anyhow. The leads I'm referring to are place at a 90 degree angle from the edge of the pcb and extend towards the bottom as opposed to
Electronics Forum | Tue Nov 28 13:21:33 EST 2000 | Graham Naisbitt
Terry The SCC3 product is a vinyl modified silicone. It is less able to perform at low temps as it becomes brittle. It is not easy to repair because it is essentially silicone. It is not a qualified material to the MIL-I-46058 Spec. Are you sure yo
Electronics Forum | Thu Oct 12 12:22:52 EDT 2000 | stefano bolleri
This is a question about LCDs (Liquid Crystal Displays) packaged as SIPs or DIPs. My question is: can they be wave-soldered? I found process recommendations on Web pages of several LCD suppliers, and they pretty much all say that LCDs should NEVER be
Electronics Forum | Thu Jun 15 12:57:12 EDT 2000 | Dave F
0.0006" LT Total pad height = Thickness of ( Copper pad + OSP ) = 0.0014" + 0.00000157" = ~0.0014" (You must be using an organic solderability preservative (OSP) or Electroless Nickel immersion gold (ENIG) because 0.003" tin/lead or white tin would
Electronics Forum | Tue May 16 16:32:38 EDT 2000 | Ashok Dhawan
1) I had downloaded ANSI/ESD-S20.20-1999 from www.eosesd.org web site. I am not clear whether section 6.2.3.2 is correct. It states that " All process essential insulators that have electrostatic fields that exceed 2000 volts should be kept at a mi
Electronics Forum | Fri Mar 24 17:40:51 EST 2000 | John Thorup
Hello Chris As John says, a Dremel works well but be careful not to let it grab and get away from you or to let it cut too deep on a multi layer board. If you are using one of the traditional long and pointy Exacto blades I can understand the frust
Electronics Forum | Mon Jan 29 11:52:55 EST 2001 | blnorman
We have been using a VOC-free, no-clean flux on our boards that we conformally coat with no problems. We're using both a UV cured and a heat cured Silicone conformal coating. One thing to beware of is inhibition in the silicone. We found that out t
Electronics Forum | Fri Mar 16 07:40:16 EST 2001 | C. Robert Nelms
David Fish alerted me to this dialogue, after visiting my web site. I am one of the "anal" consultants that are trying to help people "learn from things that go wrong." I don't know where to start. Perhaps by asking you not to lump all of us toget
