Electronics Forum: contains (Page 60 of 81)

Awwgh!! Don't Sweat It

Electronics Forum | Fri Sep 18 10:40:19 EDT 1998 | Dave F

Talk To You Later Ta Ta Ya La Dave F I've even forgotten what I was going to say - but one thing I do remember is how valuable your ever present information is. This clean/no clean thing is getting more interesting every day. Where do

Re: Awwgh!! Don't Sweat It

Electronics Forum | Fri Sep 18 11:26:37 EDT 1998 | Earl Moon

Talk To You Later Ta Ta Ya La Dave F I've even forgotten what I was going to say - but one thing I do remember is how valuable your ever present information is. This clean/no clean thing is getting more interesting every day.

Re: Conductive adhesive

Electronics Forum | Sat Aug 22 16:07:31 EDT 1998 | Manuel Cornejo

Require a conductive adhesive - either isotropic or anisotrpic - which can be used for 100micron oitch devices. Must be resistant to solvents such as MEK and acetone. Cure below 150C, with possible potential for rework of the conections.

Re: Archive Listings Now Available

Electronics Forum | Tue Jun 30 09:31:36 EDT 1998 | Earl Moon

The SMTnet Forum archive listings are now available for public inspection. You can post messages from the archived messages, but it will not place your message in the archived listing. Instead, your message will be placed as a _new_ thread at the t

Re: Ionic chromotography test on PCBA

Electronics Forum | Fri Jun 05 10:24:56 EDT 1998 | Earl Moon

I have just been assigned to look into the ionic chromotograhy test on our PCBA but I have zero knowledge. Could anyone help to explain what is this test about? Is it a) a destructive test? b) What is the measurement unit of this test? c) Wh

QFP208-Leads for MCM-L?

Electronics Forum | Fri Apr 17 21:46:18 EDT 1998 | Matthias Mansfeld

I plan to design a multichip module which contains 1 chip with about 200 pads and 2 chips with about 50 pads, no other components.The whole module shall replace as intermediate solution a single chip CPU in QFP208. Thus, the MCM itself must have t

Re: Why is The Forum so slow now?

Electronics Forum | Tue Mar 17 09:26:18 EST 1998 | Justin Medernach

Maybe I'm doing something wrong, but it seems to me that The Forum takes a lot longer to open up now. It also takes a lot longer to get back to the main Forum page, after reading an individual message, and hitting the "BACK" button. What's up? Is

Re: Temp Profile for 0.05 pitch

Electronics Forum | Mon Mar 02 09:45:08 EST 1998 | Justin Medernach

Can anyone advise a good starting point for a temp profile for on 0.05" and 1206 component boards? These boards are simple by todays standards and do not contain any fine pitch or other special components. Thanks in advance... MM Mike,

Re: Temp Profile for 0.05 pitch

Electronics Forum | Mon Mar 02 23:08:50 EST 1998 | Scott McKee

Can anyone advise a good starting point for a temp profile for on 0.05" and 1206 component boards? These boards are simple by todays standards and do not contain any fine pitch or other special components. Thanks in advance...

Re: Solder Paste

Electronics Forum | Wed Jan 28 19:39:08 EST 1998 | Steve Gregory

What is the lifetime for a typical solder paste ? How long can boards be stacked waiting before the paste goes off ? Lifetime and tack time depends on: - Manufacturer - Flux/mixture - Environmental conditions Typical lifetime is dep


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