Electronics Forum | Tue Jun 27 08:08:23 EDT 2000 | Christopher Lampron
Hello All, My question is in regards to repackaging moisture sensitive components. I have researched the archives and found alot of valuable information. We currently have a heat sealing machine but do not have the capability of evacuating the bag pr
Electronics Forum | Mon May 15 20:10:27 EDT 2000 | Dave F
David: How about starting with MCMs? IPC docs are: * 2225 - Sectional Design Standard for Organic Multichip Modules (MCM-L) and MCM-L Assemblies * DD-135 - Qualification Testing for Deposited Organic Interlayer Dielectric Materials for Multichip
Electronics Forum | Wed May 10 22:58:52 EDT 2000 | Dave F
Michael: We all make choices. A first pass at yours is: Resin Tg�C Cost FR4 125 1 Tera Functional 135 1.1 Multi Functional 180 1.2 BT Epoxy Blend 210 1.5 Cyanate Ester 250 2 Polyimide 280 3 It's unclear about your meaning of "compat
Electronics Forum | Tue May 02 17:11:17 EDT 2000 | John
My company just purchased a Vecta (E-vert) wave soldering machine. Bridging has become a serious issue, both on SMT components and thru hole. We are currently seeing about 500 ppm. The products that are being run now were run previously on our old
Electronics Forum | Mon Apr 24 03:33:35 EDT 2000 | Bob
I figured out how to do the first one (I used a multiplexer with addressable latch--works like a charm) Really, it's perfect. My new problem, though, is using this signal to get a string of lightbulbs on. Is a relay what I need? If so, who makes
Electronics Forum | Mon Mar 20 15:48:52 EST 2000 | Shane Lay
We are planning on converting to a no-clean soldering chemistry and will need to replace our water soluble liquid solder mask as a result. Does anyone know of a dispensable, "peelable" solder mask I can evaluate? It would be nice to find one that i
Electronics Forum | Mon Feb 21 16:38:45 EST 2000 | K. Ckak
RE :PCB/Assembly/EMS Industry Forecast for (99)/2K and beyond. Hi Folks, I would like to get PCB//Assembly//EMS Industry Forecast for 99/2K and next couple of years. Is there any web site that I could get help from? I require this info broken down
Electronics Forum | Fri Jan 19 06:49:34 EST 2001 | Adam
To you wavesoldering guru's. When wavesoldering with a selective wavesoldering carrier What causes the white vapor type residues around the areas of the carrier which are exposed to the wave ? My Initial reaction was to high of A Pressure for the spr
Electronics Forum | Wed Feb 14 15:55:31 EST 2001 | Antonio
Fellas, Here's the deal. We're getting shorts on a limited number of boards under the BGAs; about 1 out of 6 boards. The thing is that these boards have about 10 BGAs on them. On the one out of six boards with shorts, the shorts are everywhere and
Electronics Forum | Mon Feb 26 14:39:34 EST 2001 | John
We are developing a new product that will have hand placed through hole parts and double sided smt. This assembly will eventually be soldered to a plastic cover that has 15 insert molded terminals. The cover extends below the surface of the board,
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