Electronics Forum | Fri Nov 13 23:33:33 EST 1998 | Kallol Chakraborty
| | | I believe that gold fingers on my circuit boards are being | | | contaminated and need to clean them with some chemical | | | solution. Any recommendations. | | | | | Chuck: What is the type and source of your contamination? Dave F | | We a
Electronics Forum | Wed Oct 21 09:43:40 EDT 1998 | Stefan Witte
You'll not find any solvent, which removes cured epoxy and not attack the board material as well. If there are traces underneath the surface mount components even mechanical removal of the epoxy may mess up your boards. As a mechanical tool I recomme
Electronics Forum | Sat Oct 17 10:24:12 EDT 1998 | smd
| | | | | | | It seems like most people want to X-Ray their BGAs. We're going to start doing a lot more of them and need to consider X-ray, too. | | | | | | | Q: Do most people/companies X-ray everyBGA or do they just do SPC? | | | | | | | Q: Can yo
Electronics Forum | Fri Oct 09 14:41:05 EDT 1998 | Chrys
| Hi- | | I'm looking for an etch cutting machine. My present machine- Magic C-60 - made by Automation Unlimited is at the end of its useful life. A.U. no longer supports it and no longer manufactures new models. I am trying to find SOMEONE who d
Electronics Forum | Thu Oct 01 14:47:28 EDT 1998 | Jeff Sanchez
Good day, or night to all, | I'm new to the industry and I'm looking for some good source material to start my career in SMT. This forum is fantastic and your previous links are all very useful. However, if you don't mind re-iterating, can you ple
Electronics Forum | Thu Sep 10 21:48:37 EDT 1998 | Dave F
| I'm very familiar with the great board space savings of BGA and all the "claims to fame." However, can someone out there tell me if any concern exist in the inspection realm. Additionally, solder cracking, CTE/TCE mismatches, no leads for stress re
Electronics Forum | Sat Aug 22 16:07:31 EDT 1998 | Manuel Cornejo
| | Require a conductive adhesive - either isotropic or anisotrpic - which can be used for 100micron oitch devices. | | Must be resistant to solvents such as MEK and acetone. | | Cure below 150C, with possible potential for rework of the conections.
Electronics Forum | Tue Aug 18 16:48:38 EDT 1998 | Steve Gregory
Hey there ya'll!! I went and looked at the used equipment page here, and I've also looked around at a few other sites to try and find me a used PTH dynamic solder pot...like a Airvac type of unit. It doesn't have to be as fancy as a Airvac, just
Electronics Forum | Tue Sep 01 23:21:36 EDT 1998 | MIKE
| Hey there ya'll!! | I went and looked at the used equipment page here, and I've also looked around at a few other sites to try and find me a used PTH dynamic solder pot...like a Airvac type of unit. It doesn't have to be as fancy as a Airvac, j
Electronics Forum | Wed Aug 12 14:39:09 EDT 1998 | Mike C
| Have an SRT w/preheat, 18 layer board all copper, 456 BGA needs to be removed and replaced. The manufacturer is Chip Express and during reflow it warps up or down. Causing either opens or shorts on the corners. I was using gel flux with multiple
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