Electronics Forum: microelectronics and laboratory (Page 1 of 2)

COB and wire bond

Electronics Forum | Mon May 07 22:29:52 EDT 2001 | davef

4 wire per sec ... you figure how many you need] Encapsulation ~$120K for a dispenser [10 sec per die ... you figure how many you need] plus a cure oven ~$100k Throw in a another ~$100k for marking and cleaning Check the September 2000 SMTnet New

Re: SO-8 and SO-14

Electronics Forum | Tue Nov 09 13:20:21 EST 1999 | Dave F

Chuck: Try: 1 WWW.JEDEC.ORG 2 Search "surface mount package" which gives you ... MO-Index INDEX OF MO OUTLINES IN PUBLICATION NO. 95 BY-FAMILY INDEX OF REGISTERED MICROELECTRONIC (MO) OUTLINES (contains description of the content of each file) Goo

Imm Silver and Voiding

Electronics Forum | Wed Jun 28 22:34:31 EDT 2006 | davef

Yes, it would. That you are asking this question makes us wonder if you would be better advised to contract with a independent FA laboratory to help you baseline your analysis. Among the fine labs to consider are: * Robisan Laboratory 6502 East 21


Electronics Forum | Wed Aug 21 17:44:32 EDT 2002 | davef

Splitting hairs, I expect SIR of all solderability protection, including OSP, to decrease after reflow. What�s more, I expect the SIR of all solderability protection to pretty much decrease over time. The �comb pattern� test specimens meet requirem

Dye and Pry on PoPs?

Electronics Forum | Tue Aug 16 07:51:16 EDT 2011 | a

C-SAM is a non-destructive alternative that a lot laboratories and chip manufacturers use. Dye and Pry would work I suppose although I have never done it in practice with PoP but it should be any different for PoP.

floor and air conditioning, shop floor requirements

Electronics Forum | Mon May 06 05:32:39 EDT 2013 | pavel_murtishev

Jim, Thank you for the input. Could you please check your standard filter pore size? A model number would be valuable. How many shop volumes (in cubic meters) do you pump per hour? Customer is seriously thinking over installing AC system similar to

floor and air conditioning, shop floor requirements

Electronics Forum | Tue Apr 30 05:05:16 EDT 2013 | pavel_murtishev

Colleagues, Now I am involved into plant ramp-up where 3x Panaconic NPM-W will be installed. New production hall is being designed right now and the problem is that constructors have never met SMT shops and know very few or next to nothing about requ

PTH Hand Soldering and Rework Training

Electronics Forum | Tue Jan 14 20:32:41 EST 2003 | davef

There's just about 4 beezillion companies that give solder training. Some are: * BEST Rolling Meadows, IL 847-797-9250 Bill Westmoreland (bwestmoreland@solder.net) http://www.solder.net/ * Circuit Technology 340 Raleigh St Holly Springs, NC 27540 (

Pb free BGA and Sn Pb solder paste

Electronics Forum | Thu May 06 08:59:25 EDT 2004 | davef

Even with PbSn solderpaste the leadfree BGA's have a superior resistance to solder-joint fatigue failure when compared to conventional parts. [Solder Fatigue Reliability Issues in Lead Free BGA Packages, Pedro Chalco of IBM, Pan Pacific Microelectron

Need help on PCBA Cleanliness Standards and Specs

Electronics Forum | Tue Nov 25 22:25:24 EST 2003 | davef

We had a similar problem on the high impedance front end of a MOSFET amplifier a few years ago. If your situation is like ours, the issue is not what a consensus specification [like J-STD-001] defines as an upper limit, but what your product is defi

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