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Electronic manufacturing and Semiconductor equipment programming, sustenance and preventive maintenance. Knowledge in PLC, pneumatics and automated equipment. Desktop, Laptop computer servicing trouble-shooting, repair, hardware and software instal
Electronics Forum | Fri Aug 18 11:50:42 EDT 2000 | Brian W.
I have been using aluminum tape to attach thermocouples lately. I got some when I ordered new thermocouples from KIC. I ran some comparisons using high temp solder and the tape, with no difference. You cut a small square of the tape (approx 1/8" s
Electronics Forum | Wed Dec 20 15:40:36 EST 2006 | slthomas
I'm no metallurgist but I don't think you're going to burn up lead with a soldering iron. That said, I would surmise that you could pull a lot of the metallization from the component terminations (very likely lead free) and the pads on the board (i
Electronics Forum | Wed Feb 07 16:20:46 EST 2007 | davef
Bismuth is a low-melting metal with poor mechanical properties; if you melt the bismuth wire into a standard tin-lead solder joint, then the bismuth alloys with the solder, and forms a material that will crumble if you scrape it with your fingernail.
Electronics Forum | Thu Oct 08 11:33:16 EDT 2009 | cab
We are currently wirebonding MCMs with surface components located in very close proximity to wirebond pads, which are gold plated. We are ball bonding with 99.99% Au wire. Normally we do not have problems, however if product has been reflowed seve
Electronics Forum | Wed Sep 15 12:22:51 EDT 2010 | remullis
Mike, Another thing to consider is the type of switching they may use. Older Asymtek masking machines used transitors to communicate upline and downline instead of dry contacts. The problem we had with this is dropping enough voltage across them to
Electronics Forum | Tue Mar 28 19:43:49 EDT 2017 | aemery
Simon, Trying to dust off my 400 knowledge here, I can picture the 500 and 1500 better in my head. I think the 400 also has a Z axis amplifier box in the back of the machine. Remove the rear lower door and pull out the big square vacuum box. If it
Electronics Forum | Thu Mar 31 12:13:28 EDT 2022 | cbart
That is a tough one because of package size I agree, as noted previously it would be good to know what the current PCB pad layout is. first thought does go right to an adapter board of course! is this a volume build or just 20-50 pcs? dead bug and ha
Electronics Forum | Thu Oct 11 14:56:27 EDT 2007 | chef
Thank you- my point exactly and it starts in SMT- operators pulling the wrong paste from the fridge, touch up using the wrong solder wire, etc. My solution- GET THE LEAD OUT!!!!! I'm a CM- high mix, low to medium volumes. No steady all day every day
Electronics Forum | Tue Jul 18 03:52:57 EDT 2000 | Jeff Sanchez
Dave, I will take a stab at this. Haveing not had the opertunity to be stuck in such a jam. I would take a piece a aluminum and cut out a whole the size of the shield.The aluminum plate should be the size of the board or larger. Use stand offs to
