Electronics Forum: sanded (Page 2 of 7)

Excessive Heat / Thermal Excursions From Baking

Electronics Forum | Tue Sep 07 19:25:18 EDT 2021 | djenkins62

Hi Stephen, Thanks for reply. Looking for folks who hate baking and the problems that come with it. was hoping you can share a little info on what you do and if you use ovens and our desiccant bags made from sand. thank you,

Experience with Ersa IR/PL 650

Electronics Forum | Mon Oct 31 13:45:53 EDT 2022 | dimamalin

HI Fhilipp. We have Ersa IR650A and if you want I can sand all documentation that I have . Waiting for e-mail.

Re: solder mask removal

Electronics Forum | Wed Jan 05 16:46:44 EST 2000 | Dennis O'Donnell

Several methods work well. 1. (Low Volume Method) Using an Xacto blade, scrape off the solder mask holding the blade flush being careful not to use the pointed part of the blade. 2. (High Volume Method)Tape off the area that you don't want the mas

Reflow profile negative temp ramp rates

Electronics Forum | Thu Apr 11 11:26:34 EDT 2002 | johnw

Dave, I sand corrected since I know you wouldn't steer me wrong...although the lst time I looked at the IPC spec for a solder profiel it was still designed for older generations of paste and were specifically water wash biased although that doesn't c

conductive fill via

Electronics Forum | Mon Nov 11 11:28:32 EST 2002 | davef

Sand is not a great conductor, compared to copper. Never heard of using the stuff on RF boards. Our board fabricator uses Dupont CP100, now CP101, [or something like that cuse who's going to check?] when plugging via on cheap boards. Your board fa

Lead Filled Bean Bags for Thru-Hole Wave Solder Components

Electronics Forum | Sat Dec 14 10:10:04 EST 2002 | davef

This is a good idea. Heck, you could fill the bags with sand, if you wanted. Like anything else in the shop, bean bags require attention and maintenance. If you don't, eventually the seams on the bags loosen / break and you have to do a "clean-u

Fuji IP1 help requested

Electronics Forum | Sun Dec 18 11:24:35 EST 2005 | fastek

Bert- There's alot of forums dealing with SMT and Fuji in particular but you'd have to be able to read Chinese. In China... being fairly new to this there are many help forums around designed to assist folks to get up to speed as quickly as possible

Paste printing, acceptable tolerance ?

Electronics Forum | Tue May 30 16:02:04 EDT 2006 | slthomas

Do a dirty DoE...print ten boards with the worst error you think you can accept, build them up, and count print related defects. At the same time, print ten spot-on and proceed the same. If you don't have any more defects on the off-print batch show

UIC Sold

Electronics Forum | Fri Sep 01 13:21:59 EDT 2006 | fastek

Stephen- I'm curious about your statement regarding someone mistakenly thinking it would be a good idea to get more done in China. I fail to see the mistake in such an approach. Consider if DEK or MPM felt that way a few years ago. They would both

PCB board preperation

Electronics Forum | Thu Nov 06 14:24:52 EST 2014 | wolverine

As part of the process of assembly, we have to scuff the surface of our board around the border about a half inch in from the edge before application of an adhesive. We have been doing this by hand with 60 grit sandpaper, we are looking for a way to


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