Electronics Forum: dave and f (Page 3 of 189)

Re: Ionic testing and No-Clean flux

Electronics Forum | Mon Feb 07 13:22:23 EST 2000 | Dave F

Brian: SMTnet has a "Terms & Definitions" section in the "Library." OA Flux. Flux, Organic Acid. A water soluble flux. Good luck Dave F

Re: IPC and Nepcon

Electronics Forum | Wed Nov 18 14:42:22 EST 1998 | Dave F

| I heard somewhere that SMEMA has joined IPC, and that the association has decided to boycott Nepcon from | year 2000. Can anyone tell me if this is true | Nick: SMEMA and IPC are talking about merging (EP&P, 11/98, p 18). Below is a news release

Re: Intermetallics and reflow profile

Electronics Forum | Wed May 03 20:24:22 EDT 2000 | Dave F

MF: I know of nothing that addresses your question directly. Let me suggest: * Technical types at your solder supplier should be able to help. * "Effect Of Intermetallic Compounds On The Thermal Fatigue Of Surface Mount Solder Joints" PL Tu, et a

Re: Reflow glue and past.

Electronics Forum | Wed Feb 09 21:29:28 EST 2000 | Dave F

Charlie: People cure glue using their paste reflow profile all the time. And most of them are happy. Personally, I�m with Dean and Travis. It�s possible to as you suggest, it�s appealing not to mess with your oven profile, but it just doesn�t s

Re: Thanks chartrain and Doug

Electronics Forum | Fri Nov 05 09:52:44 EST 1999 | Dave F

John: Three things: 1 You are correctamundo!!!! What's the difference between slopping alcohol on dirty boards and washing dirty boards? Clean boards!!!! By the time those very nice people get done with their alcohol cleaning (a nip for the boar

PTH Hand Soldering and Rework Training

Electronics Forum | Fri Jan 17 16:36:04 EST 2003 | MA/NY DDave

Hi As DaveF notes there are many sources. In one of my lives, I used to generate this business for one of the really good outfits i.e NTCu in Bethlehem, PA and I know of several more. You probably already get NTCu's mailing if you have been in the

wave soldering and solder bridge

Electronics Forum | Mon Dec 17 11:55:08 EST 2007 | chef

I recently had the same problems, solder bridges on every thing I made, different customers boards, etc. I wave with no-clean flux. As I sorted out problems (pin holes, blow holes, splatter, etc.) I found a lot of variable factors. I changed flux,

Re: x,y digitizer and optical comparator

Electronics Forum | Thu Nov 11 20:33:05 EST 1999 | Dave F

Michael: DIGITIZING BOARDS Yech!!! ScanCAD 303.986.7707fax7631 makes a Xerox copier-like thing to copy your board. But why not consider: 1 There are service bureaus that will scan and convert your boards. 2 Why don't you get the gerber data fr

Re: Desoldering of TSOP and TSOJ

Electronics Forum | Fri Jan 08 15:02:38 EST 1999 | Dave F

| HI! I am a package engineer in Korea. I have some reasons | to desolder excessive solder at the lead of TSOP and TSOJ | after removing them from the board. The way with solder wick is too time-consuming and depends on the operator. | Does anyone

PTH Hand Soldering and Rework Training

Electronics Forum | Fri Jan 17 18:13:02 EST 2003 | MA/NY DDave

Hi I probably shouldn't say, Yet unless you are big or have some reoccuring kind of work with the government or ??, I wouldn't use the EMPF DaveF listed. They are now really the ACI (American Competitive Institute) and are not really the old EMPF


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