Electronics Forum: used (Page 1956 of 2497)

Re: Reflow Temperature Labels/Stickers

Electronics Forum | Tue Jan 12 23:37:00 EST 1999 | Chris G.

| I've heard about these reflow temperature labels/stickers but haven't seem to find them. Is there such a thing? And how reliable are they? I don't want to keep attaching thermocouple probes onto a board whenever there's a issue. | I think you are

Re: Why so little interest in Bulk Fed passives?

Electronics Forum | Wed Jan 06 19:28:35 EST 1999 | Michael Allen

Actually, the capability does exist, even on chip shooters w/ feeder carriages. We've been using Sanyo's cassette feeder on their turret machine (TCM3500) for over a year with 0603 caps. I don't know about Fuji or Panasonic. | I'm not sure I'm off

Re: Water quality for rinse water

Electronics Forum | Wed Dec 30 10:27:04 EST 1998 | Scott McKee

| We use a inline water wash system to clean our PWA's. How | low should i be able to let my DI water resistivity get before replacing the DI tanks. Is there a standard i can get on this subject. | | Thanks | JL | You'll want to look at IPC-AC-62A

Pad Sizes

Electronics Forum | Thu Dec 24 01:38:36 EST 1998 | Chris Grendler

I need advice on a pad design which several other engineers whom I work with would like to try. I think it is an utterly crazy but I can't seem to convince them differently. My current 0402 chip pad sizes on alumina and FR4 substrates are .022"X.

Re: Hollis Future One SMT PC controlled

Electronics Forum | Fri Dec 18 10:00:19 EST 1998 | Chrys

| Does anyone out there have one we are currently looking at one from a used equipment dealer and would like to know how they work? Good or bad for SMT? | Good or bad for high volume Thrue Hole? | | Thanks Again, | Brian Steelglove | American Prec

Re: Hollis Future One SMT PC controlled

Electronics Forum | Fri Dec 18 12:14:10 EST 1998 | Brian Steelglove

| | Does anyone out there have one we are currently looking at one from a used equipment dealer and would like to know how they work? Good or bad for SMT? | | Good or bad for high volume Thrue Hole? | | | | Thanks Again, | | Brian Steelglove | | A

High-Temp solder for thermocouples

Electronics Forum | Thu Dec 17 10:04:28 EST 1998 | Chrys

Necessity is the mother of invention... The other day I loaned my last bit of high-temp solder to a co-op and never saw it again. Then I had to run a profile and I was in a pickle with no solder. So I ran out to the local Radio Shack to see if the

Re: FST Dexcoat White tin plating

Electronics Forum | Mon Dec 14 10:53:10 EST 1998 | Earl Moon

| Has anyone had any experience with using this alternative plating process? Some board houses are pushing toward this plating. Is there any long term data on this process? Any problems experienced with smt and thru-hole? I've heard tin whiskers to b

Re: polyimide stencils

Electronics Forum | Fri Nov 13 12:08:46 EST 1998 | fraser

| | | I keep hearing about polyimide stencils, but what are they like in terms of registration and aperture accuracy? | | | | | Fraser- | | | | We use polyimide stencils with great success for our prototype boards. They are cheaper and the acc

Re: IC COPY JIG

Electronics Forum | Tue Nov 17 09:06:18 EST 1998 | Dave F

| Dear SMTNETers, | | I need help in the following subject : | | Copying of a pre-programmed master EEprom DIP 8 leads from AMTEL to many other IC's ( Gang Copier ), without using any PC media, in other words ,i need the old style cheap IC copi


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