Electronics Forum: johnw (Page 11 of 28)

Re: Dross Removal

Electronics Forum | Wed Nov 08 03:48:10 EST 2000 | JohnW

If your feeling really flush with ash you could contact your wave machine vendor and buy some from them. But I have to admit I do prefer Dave's idea...much cheaper, you'll get it in some kinda timescale rather than the 4 week's your machine vendor wi

Moisture Sensitive devices

Electronics Forum | Fri Nov 19 03:40:30 EST 1999 | JohnW

Folk's, I'm looking for information on moisture sensitive devices for our trainer's to use when explaining the concept to new recruit's. There seem's to be load's and load's of info available to ESD but very little for MSD, so I thought I'd ask the

Re: How are your solder balls @ wave solder ?

Electronics Forum | Thu Oct 14 07:55:48 EDT 1999 | JohnW

Sorry Dave should have said... At the mo all my data is for no clean processes using both matte and gloss finishes. That doesn't mean your feedback has to be limited to this area, I'm really trying to find out what the rest of the world are doing if

Reworking Glued Components

Electronics Forum | Mon Aug 09 20:12:24 EDT 1999 | JohnW

Folk's, I'm looking for some helpful suggestions for reworking wave soldered bottomside components that have been glued. I'm not a fan of the twist and break approach and as some of them either have a double dot or a slot configuration this tend's t

Re: Any recomendations on any GOOD career WEB sites? and can I get in from Scotland..?

Electronics Forum | Fri May 21 03:36:07 EDT 1999 | Murph

| On the back of Steve's question..anyone give me any pionters as to how the heck I get a job over in the US when I'm stranded here in Scotland..? | | JohnW | You'd miss your haggis an' neeps John for one thing! Murph.

Re: Any recomendations on any GOOD career WEB sites? and can I get in from Scotland..?

Electronics Forum | Fri May 21 15:31:54 EDT 1999 | JohnW

| | On the back of Steve's question..anyone give me any pionters as to how the heck I get a job over in the US when I'm stranded here in Scotland..? | | | | JohnW | | | You'd miss your haggis an' neeps John for one thing! | | Murph. | | Murph..I'

Solder Paste & RF products

Electronics Forum | Wed Nov 12 15:48:36 EST 2003 | johnwnz

Thanks for the info Dave, the link provides very interesting reading! btw, JohnW and JohnWnz are one and the same, I've moved down to Sunny New Zealand to ply my trade / skills down here and have soem fun in the sun while I'm at it. A move I'd total

World Class First Time Yield

Electronics Forum | Sun Dec 21 23:17:54 EST 2003 | johnwnz

The SMART Group in the UK have a project that's been going for almost a year now where they are collating the PPM results for a range of companies and PCB complexities & publishing the averages as a bench mark for memebers. I hear that NEMI are now l

Re: Wave solder Carrier (WSC)

Electronics Forum | Wed Oct 25 10:38:49 EDT 2000 | JohnW

Adam, Ha yes the joy that is wave soldering, and don't we love customers that forget the simple little things like putting connectors in the right way! It's a common thing and one way to get round it is to angle the cards towards the wave, typicaly

Thermally Conductive Epoxy

Electronics Forum | Wed Aug 01 11:11:38 EDT 2001 | JohnW

hi Folk's, Ok so I'm looking for some thoughts on Conductive Epoxy's. I'm trying to replace a material that i can place between a QFP and the PCB to transfer heat from the component to the PCB. The material has to be able to be injected thro' a hole


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