Electronics Forum: via (Page 1 of 162)

via

Electronics Forum | Thu Nov 01 17:30:55 EST 2001 | davef

Search the fine SMTnet Archives for ... via and pad

via

Electronics Forum | Thu Nov 01 15:14:47 EST 2001 | jacob

Hello, I am trying to convince our design engineer to use micro-vias when he has to locate them in the middle of a pad. I heard of the use of micro-vias on this site and was wondering if someone could lead me in the direction of somewhere

via capping

Electronics Forum | Mon Jan 11 14:48:44 EST 2010 | davef

SR1000 is commonly used for tenting. Search the fine SMTnet Archives on : tenting Someone gave us this note. We have lost their name. It seems to be good advice. If Liquid Photo Image (LPI) solder mask is required, do not tent via holes. Tenting

via capping

Electronics Forum | Thu Jan 07 09:44:57 EST 2010 | cbart

What material is used to cap a via? Is it the standard LPI Process/Material?

via masking

Electronics Forum | Thu Dec 13 15:14:07 EST 2001 | cc

Does anybody know what is the nominal thickness for via masking and is there a set max.? I recently have some bridging on some fine pitch components and my suspicion is that the new fab with new via masking is the culprit. Thanks CC

via capping

Electronics Forum | Wed Jan 27 20:11:36 EST 2010 | plerma

What material is used to cap a via? Is it the > standard LPI Process/Material? we tent vias all the time, mostly to assist with assembly and the majority of the time outgassing is not a problem. What is the purpose in your case?

via masking

Electronics Forum | Thu Dec 20 12:43:07 EST 2001 | cc

Thanks Cc

via masking

Electronics Forum | Thu Dec 13 20:54:23 EST 2001 | davef

There is neither �nominal thickness� nor �is there a set maximum� for via masking. We use some of our vias as test pads. So, as you�d expect, we get rabid when we get mask bleed onto these pads. IPC-6012 - Qualification & Performance For Rigid Pri

via in pad

Electronics Forum | Sat Sep 14 01:34:19 EDT 2002 | Yngwie

I have the following questions on Via in Pad and want to understand each of them wrt : - complete Via in pad - partial encroachment - via partially in pad 1) What is the general feel for via in pad for upcoming designs? 2) What are the manufacturi

via in Pad

Electronics Forum | Tue Sep 17 00:40:39 EDT 2002 | yngwie

Hi all Experts, Desperately need your help on the following questions on Via in Pad and want to understand each of them wrt : - complete Via in pad - partial encroachment - via partially in pad 1) What is the general feel for via in pad for upcom

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