Electronics Forum: wire (Page 16 of 130)

Wire bonding on gold fingers

Electronics Forum | Wed Jun 25 09:42:09 EDT 2003 | caldon

SR. Here is a shot in the dark but have you try'd KNS? I know they have been working on some cool polymers...send them a note as they may have something that meets your needs. They may not have anything that can be removed but it is worth a try. pol

gold wire bonding

Electronics Forum | Fri Jan 20 02:34:16 EST 2006 | yihui

Hi, i'm david, new to this forum. Came across your posting about using a delvotec bonder to TS bond to a ENIG pad. Given that the immersion gold layer is thin, does the capillary scrub through the gold layer to expose the underlying nickel? Does your

Criteria for thermocouple wire attachment

Electronics Forum | Tue Jan 09 10:13:40 EST 2007 | slthomas

You could probably make do with two as long as you attach to the smallest part in a sparsely populated area and a large heavy part in a densely populated area to cover both ends of the spectrum. When I had a MOLE I used all 6. Now I use the 3 the ove

Criteria for thermocouple wire attachment

Electronics Forum | Wed Jan 10 17:11:53 EST 2007 | mscalzo3

I always try to profile using a fully populated board and soldering the thermocouples. This is the only true way of getting an actual temperature of the joints. But, with that being said, its not always feasible to use this. There have been a coup

Electrical Wiring Anomaly

Electronics Forum | Tue Nov 08 19:25:14 EST 2011 | isd_jwendell

I do not have a answer for you, but it sounds like electro-static charge is making air-borne particles stick to the machine. What are the air handling conditions? Could be you need a better filtration system. I use a HEPA filter system. I've always w

Electrical Wiring Anomaly

Electronics Forum | Wed Nov 09 09:09:27 EST 2011 | swag

By no means clean room but pretty clean environment. We have ultrasonic air humidifiers maintaining our air at about 45 RH. I agree with you about airborne stuff attaching to electro-static. It's a mystery why it is isolated to four machine, thoug

Heller 1800 exl wiring

Electronics Forum | Wed Jun 14 18:33:39 EDT 2017 | caurbach

1. Why isn't an electrician doing this? 2. Did you measure phase-to-phase voltage between each phase at the machine? 3. Phase rotation only affects the 3-phase motors. If it's out of sequence, the motors will spin backwards but everything else sho

Plating for aluminum wire bonding

Electronics Forum | Sat Mar 15 20:24:13 EST 2003 | ramanandkini

Thanks Mr.Dave. Sorry for the delay. One of our major prolems in ENIG plated surface is that wire does not stick. For many years we were getting a bond strength of 14 grams in both ENIG and electroplated surfaces. Now one vendor supplies ENIG boards

gold wire bonding

Electronics Forum | Thu Dec 29 10:47:05 EST 2005 | Chris

The paper Dave posted the link for is great. I have to go back and read it in depth. I can build prototypes by wirebonding to ENIG. I can do it on a manual wirebonder but I don't have the patience to do it on a magazine to magazine automatic machi

gold wire bonding

Electronics Forum | Wed Dec 28 16:03:53 EST 2005 | Chris

I have lots of experience with thermosonic gold ball bonding. You can read the literature and you will probably find some papers that say you can do it. I have never been able to do it. We gold ball bond all day long with little problems at all bu


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