Electronics Forum | Fri Apr 07 17:17:55 EDT 2000 | Dave F
Ashok: You should select and use low residue tapes. But ya know, ya go out and research a great tape and if yer not careful, the buyer will second source ya and (surprise) ya got residues again. We have found that Lemme say this about Katon tape
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 | Fri Mar 03 16:11:07 EST 2000 | cpitarys
Yes it is Ok and some folks ae doing it now, but unfortunatly IPA may not be the best solvent for this application. Take a small vial of the ipa and put some of your smt adhesive into it, shake it up and watch what happens, now step this up onto a l
Electronics Forum | Tue Feb 20 15:39:31 EST 2001 | fmonette
To my knowledge, the 40C was established as the maximum "safe temperature" for all tape and reel packaging. The actual specs may vary somewhat for different types of reel, pocket-tape, cover-tape but you must be concerned with the cover tape adhesive
Electronics Forum | Thu Feb 22 12:26:33 EST 2001 | traviss
I used a Blue M batch oven quite a bit to cure in works great. All you have to do is get the board up to cure temperature, 150C normally and your all set. It will probably be in there longer than the time required but at that low temperature it shoul
Electronics Forum | Tue Mar 13 18:25:45 EST 2001 | slthomas
Anyone doing a print-dispense-place-reflow process? I've never heard of it being done this way before today. Don't know why, actually, as it sounds like a fairly friendly method provided the adhesives used are happy with a standard reflow profile.
Electronics Forum | Wed Mar 28 00:20:48 EST 2001 | chinaren
we use the screen glue AMICON D125 F5 from Emerson company of Belgium and stencil is Varidot stencil from Loctite with thickness of 250 micrometers The squeegee is also from loctite, previously we use squeegee of material PU, it is easy to be broke
Electronics Forum | Mon Apr 02 20:47:22 EDT 2001 | davef
Cuppla questions for ya ... Where are the shorts [above the mask or between the mask and the laminate]? On the board, what material is between the copper traces and the mask? What type of solder mask(s) used by your suppliers? What are they using
Electronics Forum | Fri Apr 13 22:38:19 EDT 2001 | edylc
Hi , Could you be seeing the nickel under the gold plating because you are removing some of the Gold with the Kapton Tape....?? You mean , the adhesive properties of the kapton tape will cause the gold plating on the gold finger to be somehow peel of
Electronics Forum | Thu Jul 20 16:23:08 EDT 2000 | Bob Willis
We set up and ran this process at Nepcon UK with some success but we used a UV adhesive less than 10sec cure so no heat. Push off force for the biggest parts was over 800 grams. We have had to modify the design rules a little to make it work but it