Electronics Forum: 11.12 (Page 9 of 49)

Re: Misalignment Issue (CAD Vs. Machine Variables

Electronics Forum | Sun Nov 12 10:41:41 EST 2000 | JAX

Does the alignment issue only pop up on certain parts or everything on the board? Do you set your origin on the corner of the board or on a fiducial? Do you always have to move the parts the same amount of distance?

Re: Reworking PCB Bottomside Parts with Adhesive

Electronics Forum | Tue Oct 10 11:12:43 EDT 2000 | derron

We have just been using a pair of hot tweezers from either pace or ersa. We are in the process of switching to the metcal brand. they seem to be the best out there.

SPC?

Electronics Forum | Fri Aug 11 12:54:56 EDT 2000 | James

I'm looking for an SPC package that can also help with time studies for tracking assembly productivity. Does such an animal exist? Any and all recommendations are appreciated. Also if you could provide urls or phone numbers that would be great. T

new site

Electronics Forum | Mon Jan 15 11:12:32 EST 2001 | raton

Wow, it does look like the older archives are not available. Major loss! Maybe there are plans to graft the old stuff back in at some future date? I agree it does load faster, that's a plus. Boca

Bottom side process question

Electronics Forum | Thu Mar 15 11:12:45 EST 2001 | slthomas

solder, but flux -> adhesive. Hmmmmm.... Are the chemists working hard to reduce the consequences of these possibilities? And as to Dave's comment about long term reliability issues due to outgassing from the adhesive, double-hmmmmmmm....... Ther

Press-Fit Workmanship standard

Electronics Forum | Thu May 17 11:12:28 EDT 2001 | Michael Fogel

Thanks for your quick respond. I'm looking for some more detailed specs. Like: pressure force, the "do" and "do not do" rules for the connector itself (include the plastic housing), tools etc. Regards, Michael

coating with no-clean?

Electronics Forum | Thu Jan 13 11:12:54 EST 2000 | jacqueline coia

Does anyone conformally coat PCBs that have been processed with a no-clean solder paste? Any comments on this subject would be appreciated. Cheers

Laser Marking using 2D Matrix Code

Electronics Forum | Thu Dec 16 11:12:54 EST 1999 | Chuck Morehouse

I am looking for some input to peoples experiences using a laser to mark 2d matrix codes onto PCB's.

Delmat

Electronics Forum | Fri Nov 12 17:58:18 EST 1999 | Jason Nipper

I have been actively experimenting with Selective WS pallets fabricated from Delmat. I need feedback from users on life expectancy, demesion constraints relative to warpage or degradation, and any useful info on ways to maximize life and prevention

Tips Window

Electronics Forum | Fri Nov 12 15:20:13 EST 1999 | Doug Callaghan

A Tips window appears everytime I visit the Forum, even though I have checked the box to insure that it doesn't reappear on the next visit! Why? Doug


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