Electronics Forum: excepts (Page 2 of 75)

Re: REBALLING MACHINE

Electronics Forum | Wed Mar 22 17:17:39 EST 2000 | Kal C.

Hi Josue, Check archives (I think 98-sept-Oct some vendor at SMTA Conf.)...I was looking for the same thing...was very skeptical about reliability data ..couldnt approve reballing process except protos. Low repeatability after DTC/stress. Regards K

0402 placement using Quad 4C

Electronics Forum | Wed Feb 27 12:38:49 EST 2002 | stmerkt

Tyco has recently completed development work on the ThinPRO feeder. This feeder provides exceptional performance for 0201 and 0402 applications. The feeder is compatable with the IV-C, QSV, QSX, QSP-2, and APS platforms.

interchangeable stencil frame systems

Electronics Forum | Sat May 05 10:18:38 EDT 2001 | johnthor

yeah, we use the low static stuff too... except when the purchasing assistant did the company a "favor" and sought out something cheaper. Those times you want a big stick! The color confusion is because of the rose colored glasses that I wear. Joh

fiducials

Electronics Forum | Wed Jun 09 11:38:20 EDT 1999 | Roseann

In past PCB designs I have cleared all traces from all layers (except pwr/gnd) from fiducial area. It has come to my attention that this is only necessary on the side where fud is placed. Which is the correct method of design using a fidicial?

Re: Quad "No Good"

Electronics Forum | Tue Mar 10 17:26:35 EST 1998 | Jeremy Smith

Looks like it's more operator error that anything. I have 3 Qsp2's and a 4c. With exception of some software bugs they have been grate

Rework Station

Electronics Forum | Fri Jan 10 09:54:07 EST 2003 | babe

I have an Ersa unit that we used for demonstration could make you a decent deal on. You may also want to go to http://www.prodevinc.omc and check out their system. It is exceptional... or contact me for further information. waverm1@aol.com

Bareco wax on pressfit connectors?

Electronics Forum | Fri Feb 28 12:08:07 EST 2003 | davef

Paul We don't like to mix metals on press fits. Yano, we do gold on gold or solder on solder, but we don't mix metals [except with imm silver / tin] to avoid electrochemical corrosion. Is that bad information or does AMP think that's not a problem

Thin Chip resistors and HSP 4797 T12W8P

Electronics Forum | Wed May 21 17:11:37 EDT 2003 | radney

Yes to all of the above with the exception of the part sticking. The same parts are EASILY picked using the 4790/91 feeders on a 4790/91 machine. The new feeders just flip the part out when the feeder advances. Thanks! Lee

Short Circuit Ceramic Chip Caps

Electronics Forum | Mon Aug 25 20:35:51 EDT 2003 | davef

We don't see very much MCC shorting, except after over-voltage. We see much more in the opens category. Were these puppies shorted out of the box?

Fuji Flexa

Electronics Forum | Wed Oct 15 14:59:04 EDT 2003 | William Guatemala

I strongly reconmend to switch over to Flexa. It's much easier and reliable than FujiCam and UniCam. Except the PCB's have to be very roboust to handle all the security fixtures. W. G


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