Electronics Forum: array (Page 10 of 49)

Solder printing issues

Electronics Forum | Sat Nov 23 11:34:52 EST 2002 | mark

There is some superb tooling offered by a company called Transiton Automation, http://www.board-lok.com. There are some different choices, full molded tooing ... a service,... and re-usable fine grid pin array tooling.

2MM pitch tape

Electronics Forum | Wed Jan 08 14:18:34 EST 2003 | soupatech

I have run across a resistor array whose tape has a 2mm pitch. Is there a way to modify a Fuji CP3 8x4 feeder to make it 8x2? Or do I need to purchace new feeders?

Stencil Design for Resistor Net Array 0402

Electronics Forum | Thu Mar 27 11:49:18 EST 2003 | kenlchin

In printing,the thickness of solder paste perpendicular to the Squegge direction is always lower 1 mil than that parallel to the Squegge direction,so Insufficient Solder may occur.I think you may slow printing speed or widen appertures to resolve it.

Selective Removal of Photo Mask on Popultqaed Boards

Electronics Forum | Fri May 14 14:13:54 EDT 2004 | bwet

Does anyone know of a technique t selectively remove solder mask outside of the traditional scraping or grinding methods. (This would be in areas around an area array part.) BWET

Ceramic Column Grid Array on non woven aramid reinforced pcbs

Electronics Forum | Fri Jun 25 14:22:40 EDT 2004 | jjh

Will there be any problems with reflow when using CCGAs on nonwoven aramid reinforced pcbs? thanks!

BOM Merging

Electronics Forum | Wed Jul 14 12:45:13 EDT 2004 | heatherc

AEGIS sells a software product specifically for this called CircuitCAM. We also can handle comparisons of BOM to CAD, BOM to BOM revisions and handle an array of formats and file types. For more information you can go to http://www.aiscorp.com or c

Ball Grid Array Prototyping

Electronics Forum | Wed Jan 26 18:53:14 EST 2005 | russ

240C melt point. Maybe try a hair dryer also that should give you convection heat! kidding even though I have performed this and it did work. Russ

Rework of SMT components

Electronics Forum | Tue Nov 29 22:16:43 EST 2005 | ams_gen

Hello, Could any body direct me to guidelines describing the best practices for rework of perimeter array components (such at SOIC's and QFP's) or may be share your opinion of the best approach to do this? Thanx, AMS

X7R woes

Electronics Forum | Tue Dec 27 19:15:02 EST 2005 | PWH

Agree with Cmiller. We had a similar prob. with some caps. on a v-scored array. We bought a pizza cutter depaneliser and the problem reduced. It's a "FKN Systek" if you want to look at models.

re-columning?

Electronics Forum | Fri Nov 03 11:27:49 EST 2006 | kennyg

Does anyone know of a source for salvaging column grid arrays with damaged columns (through bad handling or removed from a PCBA)? Not reballing, but recoluming.


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