Electronics Forum | Fri Mar 26 17:12:17 EST 2004 | ben
I have recently encountered a new pcb design with a very high density of components on either side of the pcb. One of the suggested "fixes" is to use the smt pads as vias i.e. the via will be drilled thorough the centre of the smt pad. My concern i
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
Electronics Forum | Wed May 27 14:35:52 EDT 1998 | Justin Medernach
| | 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 recomm
Electronics Forum | Tue Oct 17 12:07:58 EDT 2006 | pms
ya don't need no stinkin pads. just run sum fine gauge insulated jumpah wires from da I.C. legs (da ones with da missin pads) to da traces or where-ever dem traces end up. dat should get er dun !!!!
Electronics Forum | Sat Mar 27 08:15:02 EST 2004 | davef
Via in pad is a designer's dream and an assembler's nightmare. Search the fine SMTnet Archives for previous discussions to get started. VIP, via-in-pad, or whatever tend to promote voiding within the via and certainly partially starved solder conne
Electronics Forum | Wed Oct 18 07:51:14 EDT 2006 | davef
Look here: http://www.circuittechctr.com/ As a low cost approach, use copper foil purchased from a stained glass window hobbyist shop. Cut foil pieces to size with a sharp knife. Epoxy the pieces in place of the damaged pads. Tin and then solder th
Electronics Forum | Sat Apr 03 05:21:33 EST 2004 | mattkehoe
There is a method for VIP you may not be familiar with. I dont want to go into depth here but check out http://www.sipad.com/sipadvip.htm and contact me off line if you want more info. Good luck. mk
Electronics Forum | Mon Oct 16 17:46:49 EDT 2006 | Dan
Recently I was given a bad Bios Link from Toshiba which fried my Bios and now my laptop boots to a black screen. I recently unsoldered and removed the existing Bios chip and have ordered anotherfor replacement. Unfortunately while removing, i damag
Electronics Forum | Sat Jan 15 21:52:15 EST 2000 | Dave Bartlett
I am looking for information comparing the reliability of smt boards vs thru hole boards. Also, information on when to use thru hole instead of smt if there is such a case. Background - We currently make temperature controller with a mix or smt and
Electronics Forum | Mon Aug 18 11:20:08 EDT 2008 | pjc
Stencil apertures are cut to deposit solderpaste onto the annular ring, provided its wide enough. Then you can place a solder preform if needed to ensure there is enough solder to fill the barrel. Here is some information on solder preforms: http://
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