Electronics Forum | Tue Aug 09 13:25:24 EDT 2005 | pr
From what I can gather, the annular rings are used for grounding when these boards are put in housings. A screw goes through the hole and is torqued down. If there is excess solder on the annular ring, the screw doesn't seat properly. The pallets cov
Electronics Forum | Wed Aug 10 11:57:16 EDT 2005 | pr
Is the peelable mask (put on by the boardhouse) flat on the surface of the pcb? If so can you tell me the material name, so maybe I can find a picture? We have to print adhesive on the board, so the mask has to be flat. That is why Kapton from the b
Electronics Forum | Sat Feb 20 09:56:22 EST 1999 | Tufty
| We are in the process of getting into no-clean paste and fluxes. One important issue in this is sodler balling. I have heard some people say that having a matte finish would help in having lesser solder balls and that the solder balls would not b
Electronics Forum | Wed Jul 30 16:42:24 EDT 2003 | davef
here's a start http://www.thepdfshop.co.uk/ppm/asp/Monthly.asp
Electronics Forum | Wed Jul 27 16:27:57 EDT 2005 | GS
It may be you should look for higher TG of Durapol Rgds GS
Electronics Forum | Wed Aug 27 08:00:33 EDT 2008 | cgray
We are using Multicore (MFR 301) from Henkel.
Electronics Forum | Wed Aug 27 14:07:42 EDT 2008 | cgray
Thanks for your experiences.
Electronics Forum | Thu Nov 11 10:51:16 EST 1999 | KenF
Could anyone tell me where I can find some literature/standards describing the dimensions and solder land sizes of all common SMD components available in the market? IPC-SM-782 does provides some but not all. Thanks in advance for any response. Rega
Electronics Forum | Tue Dec 03 11:59:01 EST 2002 | slthomas
We haven't run a profile yet....probably because we're a-feared to. We can't do topside preheating here to any degree because we use an aluminum plate for aligning hundreds of top side through-hole components (pots, switches, buttons, LEDs) that te
Electronics Forum | Thu May 29 18:58:41 EDT 2003 | davef
Lead free solder is bad for the environment, while increasing product costs. The US looked at restricting lead use a few years ago, took no action, and has no plans to enact frivolous legislation like the "greens" have foisted upon the Eurolanders a
