Electronics Forum: ka

Info/Papers correlating lead protrusion and reliability

Electronics Forum | Wed Mar 16 18:39:55 EST 2005 | KT

I am looking for the same. IPC 610D does mention about the solder fill based on the class (A,B,C). But, there is no exhaustive study that I have come across. Please let me know if you find any. KT

batch aqueous cleaning equipment

Electronics Forum | Fri Apr 27 13:35:46 EDT 2007 | sjpence

I do not know of any standard recommended values for impact pressure in cleaning equipment. They act more as a guide when examining the various choices manufacturers have made for the spray flow, nozzle pressure, nozzle spray angle and other factors.

Re: SMT Component ID - Cross Reference Guide

Electronics Forum | Thu Jul 22 04:53:54 EDT 1999 | George Verboven

| Looking for a cross-referencing and part identification guide for surface-mount components. There is very little infomation provided on some of the components themselves, and we often don't have parts lists or schematics for items we repair, so ide

Quad IVc power up

Electronics Forum | Mon Apr 13 14:36:18 EDT 2009 | leemeyer

I have seen this problem before. There is a cable that runs from the Quadalign board to the backside of the backplane. It is not secured in any way so it may have come loose in shipping. Open the right side panel on the machine. The Quadalign board

Re: FUJI PD naming convention Any idea?

Electronics Forum | Sat Mar 13 19:34:17 EST 1999 | John W.

| | Okay, I would like to hear everyones ideas for PD naming conventions for FUJI. We are trying to use your basic names "3216_CAP" to a "MQFP208AD" But it is way out of control. Different part sizes, and vendors make it very tough to keep it all

SMT Solder paste and wave flux evaluation

Electronics Forum | Fri Jan 28 12:18:32 EST 2005 | Chunks

Your best bet is to do a decision making matrix. Each company has so many different criteria�s it's hard to pick out which one might be important to yours. Simply pick out your top 5 paste manufactures. Next decide what your "Eliminators" are - th

Re: Black hole process (MacDermitt) for PCB fab

Electronics Forum | Tue May 30 21:09:30 EDT 2000 | Dave F

Dennis: Direct metalization is more of an European phenomena than a US one. Not to say that good things don�t come out of Europe. As background: Direct Metallization. In circuit board fabrication, an alternative to electroless plating makes the

Re: Nepcon 2000???

Electronics Forum | Mon Jan 18 20:00:46 EST 1999 | Wayne Bracy

To ALL: I started writing about how much I hate all of the trade shows, but decided it was a bit negative so deleted... I have indicated that I like Nepcon West, as it is the one American show where we can see all of the latest technology and equip

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