Electronics Forum | Tue Nov 28 15:10:50 EST 2006 | M. Sanders
Unfortunately, I don't have a copy of IPC-A-610 D on hand, however, I believe in IPC-610, this �floating height� between lead and pad has no maximum specification restriction. As long as there is no voiding, it is still acceptable for all 3 classes.
Electronics Forum | Mon Dec 04 20:32:40 EST 2006 | billwestiet
To answer your question specifically: http://www.pkaymetal.com/dross.php4 NOW, I can not reccomend for or against this!!! Do your homework, call PK, talk to thier technical people. this product absolutely works in some applications. Primarily hig
Electronics Forum | Mon Dec 04 14:27:18 EST 2006 | pjc
Solder preforms can be used in SMT assembly for through-hole pin-in-paste process. In this process and modified aperture is used to print the paste with standard stencil printing, then a solder preform is picked and placed by a machine into the solde
Electronics Forum | Sat Dec 23 01:00:38 EST 2006 | mika
Of Course you can. We have a customer specific board that has a stupid connector underneith, and we must manually glue this one onto it's postition before reflow on the secondary side first... And as you know, the customers is alwayw left... The funn
Electronics Forum | Thu Jan 04 02:25:12 EST 2007 | Loco
Sorry Dave? There is a seperate table safely hidden away in the D version, but i dont know if it is something new. chapter 7 THT - 7.5.5 Supported holes - solder has a table specifically for PIP, table 7-7 Plated trough holes with component leads -
Electronics Forum | Mon Jan 08 13:27:15 EST 2007 | pgarsoe
Is having a specific COB forum a virtue or necessity? Is carving up this forum into various segments going to delute it in any way? We could start any forum segment that the community desires if interest is shown and would not delute this production
Electronics Forum | Fri Jan 12 17:33:56 EST 2007 | John S.
I've not seen it on a solder joint, but I've seen it on an SMT pad that had been skipped in a wave solder operation. The boards were under inspection for poor solderability. We never really pinpointed the cause. It would make a perfect 6 pointed s
Electronics Forum | Tue Jan 23 10:15:44 EST 2007 | slthomas
J-STD-001C just requires that the area not be so dirty as to contaminate your product, tools, workspace, etc. If you start counting particles, you're into cleanroom territory. Do a search on ISO 14644-1 for specifics. Actually Wikipedia does a ni
Electronics Forum | Fri Jan 26 14:48:38 EST 2007 | CL
I agree, There seems to be quite a bit of negative impression regarding Grid Lok. We have 4 DEK printers outfitted with them. We have had a few problems that were due to warped boards but other than that, they have worked well for us. Fixed tooling
Electronics Forum | Fri Feb 02 12:37:16 EST 2007 | Derek W
We've had the same issues with silver. We also ran into shelf life issues but that's specific to our business. We've moved to ENIG with good success, our board vendors were also very happy to move away from silver though I'm not sure why. As long as
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