Electronics Forum | Thu Jul 08 15:38:27 EDT 1999 | Earl Moon
| Thank you all for your replies. Thanks to your replies and backup from the IPC-SM-782A (section 3.6.3.2) and James Blankenhorn's "SMT Design Rules & Standards," the designer has agreed to provide adequate clearance between the via and the pad. |
Electronics Forum | Thu Jun 04 09:25:21 EDT 1998 | Chrys
| | | Hello: | | | BACKGROUD: SMT components soldered on the top-side of boards that also require wave soldering have the potential to reflow during wave soldering. Reflowing these components during wave soldering is not good. It can cause cold jo
Electronics Forum | Fri Feb 27 10:54:38 EST 1998 | Earl Moon
REVISITING MULTILAYER DIMENSIONAL STABILITY AND LAMINATE INTEGRITY It has been said we must learn it all over again and again about every four years. I know Lee Ritchey said that to me about high speed digital circuit design. The same seems true for
Electronics Forum | Mon Jun 30 12:41:03 EDT 2008 | realchunks
Hi Dave, I am not a sales person pushing my wares here, just my engineering experiences - so I hope I am not out of line here on this forum anymore. When it comes to selective or spot soldering - it all depends on your board design. Many people al
Electronics Forum | Tue Feb 15 13:16:02 EST 2000 | Rob Fischer
Don't feel alone. Many assemblers have the same problem but aren't fortunate enough to have say in the design of the board. They're either have a capital invedtment in a selective solder machine or pallets designed to mask bottom-side SMD. The pal
Electronics Forum | Fri Mar 22 19:20:19 EST 2002 | mcox
This is the same misinformation half-truth BS I have been hearing from CircuitCam for a long time. The truth is, Unicam has a product that automatically recognizes the Component and Ref designator, where CC requires the user to input each and every
Electronics Forum | Fri Oct 06 09:25:57 EDT 2000 | Kev Head
Most places I've seen don't do anything special. But then again most places only have chip components on the bottom of their boards along with some thru-hole. The best way to find out if you are going to delaminate is to talk to the board manufactu
Electronics Forum | Tue Jul 25 20:46:01 EDT 2000 | Dave F
Vicki: The other responders make good points. Taking a slightly different, slightly more aggressive tact, you might try something like this: * Click on ... http://www.ssafl.com/bat_prod.htm ... and buy a unit of the proper size to fit your stature
Electronics Forum | Wed Jul 12 21:42:30 EDT 2000 | Dave F
Hey Jack: What is it with you and the IPC?? ;-) Can use the IPC documents that the IEC "xeroxed" and republished? ;-) Consider: � Vern Solberg is teaching a two day course titled "Printed Circuit Board Design For Surface Mount Technology" at Uni
Electronics Forum | Wed Jul 12 21:42:59 EDT 2000 | Dave F
Hey Jack: What is it with you and the IPC?? ;-) Can use the IPC documents that the IEC "xeroxed" and republished? ;-) Consider: � Vern Solberg is teaching a two day course titled "Printed Circuit Board Design For Surface Mount Technology" at Uni
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