Electronics Forum | Sat Jul 28 08:37:52 EDT 2007 | davef
There is no good choice. Board Finishes: Industrial/Battelle Class 3 Environment [Reliability Knowledge Gaps: For use of Pb-free solders in High Reliability Applications, J Smetana, iNEMI Availability of SnPb-Compatible BGAs Workshop, March 1, 2007,
Electronics Forum | Tue Jul 07 12:52:02 EDT 1998 | Upinder Singh
Thanks Earl. Well following is the data regarding the product. 1. The panel consists of 21 boards. 2. The surface I mentioned would have 3 SMds and 1 T/hole connector. 3. PCB thickness is 55 mils and the width of the hole on the PCB for the thru-
Electronics Forum | Wed Jul 01 11:33:30 EDT 1998 | Upinder Singh
Hi all. I am trying to put one 20 pin thru hole connector along with the smt components on the PCB. I would appreciate if somebody can guide me in getting thru this process. I also need to know how much bigger the holes on the screen or stencil shou
Electronics Forum | Fri Feb 23 10:10:32 EST 2024 | emanuel
Well, the story is a little more complicated. The product is also an LED lamp made on an aluminum PCB with the LEDs on one side and the drivers on the other. The board itself is not big, about 90x90mm and most of the components are soldering well. Us
Electronics Forum | Fri Jul 03 09:29:19 EDT 1998 | Dave F
| Hi all. | I am trying to put one 20 pin thru hole connector along with the smt components on the PCB. I would appreciate if somebody can guide me in getting thru this process. I also need to know how much bigger the holes on the screen or stencil
Electronics Forum | Mon Jul 06 13:17:50 EDT 1998 | Upinder Singh
| | Hi all . | | Thanks to Ryan, Brian , Justin and Dave for the timely help earlier. | | I would appreciate if somebody could help me in the stated issue: | | I am trying to to place one thru hole 20 pin connector along with the SMT components by p
Electronics Forum | Wed Apr 01 04:34:41 EST 1998 | Alan Pestell
We are looking at reflow soldering some Flexi-rigid pcbs. I have heard that IR reflow soldering can make the Polyimide "self heat" and cause de-lamination. Does anyone have any info.
Electronics Forum | Mon Aug 27 11:51:47 EDT 2012 | cobham1
Its no my turn to give some advise. My first question would be can you put the boards into a carrier of some sort. There are many wonderful companies that make carriers that are ment for running down a smt line. This can be expensive unless you order
Electronics Forum | Mon Aug 27 12:31:04 EDT 2012 | rway
Its no my turn to give some advise. My first > question would be can you put the boards into a > carrier of some sort. There are many wonderful > companies that make carriers that are ment for > running down a smt line. This can be expensive > u
Electronics Forum | Tue Mar 25 13:55:05 EDT 2014 | horchak
Ok lets put it this way. If the PCB house used a high quality mask and properly applied it to a properly cleaned surface and properly cured it, then as Dave stated above there are only two things that can destroy it. Excessive heat and overly aggress
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