Electronics Forum | Mon Jan 28 08:07:44 EST 2002 | JohnW
Sorry I keep forgetting you lot are backwards in the old metric system :0) anyhoo, yes IPC, the bastions of right well as long as your board is only 1.6mm thick (sorry 62mils)say that you need 75% min general and 50% on ground planes. I'd like to se
Electronics Forum | Tue Apr 10 13:12:41 EDT 2001 | davef
You've told us nothing about your situation, process, boards, or anything!!! If you leave some boards with very fine solder connections on the shelf for a cuppla years, the grain will become coarse. What do you mean when you say "grainy"? What is
Electronics Forum | Fri Jun 04 03:03:52 EDT 1999 | Scott B
| I'm encountering a new problem at my new company that I haven't encountered before in my past life - and that's Wave Soldering VIA holes. | | We've been getting a rash of defects that we call in this company, "insufficient solder in VIA hole." The
Electronics Forum | Fri Jun 04 15:04:16 EDT 1999 | Earl Moon
| I'm encountering a new problem at my new company that I haven't encountered before in my past life - and that's Wave Soldering VIA holes. | | We've been getting a rash of defects that we call in this company, "insufficient solder in VIA hole." The
Electronics Forum | Tue May 04 10:38:24 EDT 1999 | Dave F
| Does someone has experience with solder stop on components to avoid an Viking effect (no solder on the pad, all solder on the lead)? What kind of solder stop does work well? What is dangerous? What has to be kept in mind when using such components?
Electronics Forum | Tue Mar 23 23:17:03 EST 1999 | Chris G.
| Are there many of you who are soldering through hole parts in your surface mount reflow oven? How repeatable is the process? Do you need to touch up a lot after reflow? We don't do long runs maybe 200, 300 boards max. Can you just screen print
Electronics Forum | Tue Jan 12 15:11:20 EST 1999 | Earl Moon
| | I have an Electrovert UPK 660c fitted with IR preheats top and bottom. We assemble a large range of multilayer backplanes and I was wondering if there are any advantages in changing to convection preheats.Has anybody got any views on the subject.
Electronics Forum | Fri Oct 30 01:07:34 EST 1998 | Earl Moon
| I am a recently graduated Process Engineer. I am working for a company developing and manufacturing printed circuit boards. I am looking for a web link, magazine article, book, etc which describes the processes which happen at a board house. More s
Electronics Forum | Fri Sep 25 17:01:41 EDT 1998 | Steve Gregory
O-H-H-H-H-H-H-H Lawdy, lawdy... My babuh done left me... my dawg pee'd on my leg... my cornflakes are all poopy... don't make me hafta beg... I got's dem backplane blues, o-h-h-h-h-h lawdy..." OH! Hi there! Scared me fer a second...heheh....caugh
Electronics Forum | Wed May 27 13:42:08 EDT 1998 | Chrys
| R&D is currently designing a board with smt components on both sides of the board. They are adding a 16 pin IC Gull wing. on the bottom side of the board. I have asked for only caps and resistors to be placed on the bottom side. Is there a recommen