Electronics Forum | Thu Jun 13 20:55:46 EDT 2002 | russ
Having just gine through a similar problem myself (with much less equip.) Here are a few things to consider and/or look at Do you have the proper pad size? It should be the same size as the pad on the BGA. Is the board warping during your operati
Electronics Forum | Sun Aug 11 22:28:07 EDT 2002 | jersbo
a: charges are typically set by how many different part numbers you have(setup).. and how many placements there are(ie number of locations parts are to be placed) if there are 3 machines inline that does not matter.. its the amount of parts placed an
Electronics Forum | Mon Aug 12 09:40:53 EDT 2002 | itempea
Hi Antonio, you had some wonderful input from the previous mailers. They covered much of the technicalities. What I would like to point out is that if the line has 2 chipshooters and they only use one for you, you still pay for the second one since
Electronics Forum | Wed Aug 21 18:24:24 EDT 2002 | dragonslayr
surely, a big picture perspective is in order to keep from charging off, tilting at windmills and waning Quixotic. Just to tic ya off a bit more (come on now, smile), would those 2 boards in rework have just one defect each or are there multiple def
Electronics Forum | Fri Sep 06 11:58:21 EDT 2002 | Brian W.
The most effective method is to monitor both printing results and parameters. Periodically (maybe once per month), run QCCalc or another program to measure the machine's capability to hold its set parameters. I also run control charts on the paste h
Electronics Forum | Thu Sep 26 11:44:23 EDT 2002 | abelardo
Hello everyone out there in the SMT world. I have a dilema I'm currently running a board that has 3 csp's with a .75 mm. ball pitch and .3mm ball size. And 2 qfp's-160. The stencil is 4 mils thick and I'm using a 63/37 solder paste. My reflow prof
Electronics Forum | Sat Oct 19 04:49:27 EDT 2002 | shailendra
Hi .. I have read with keen interest on the various replies on your query.. However, the most important thing that seems to be missing in the replies posted is reference to today's business scenario..which calls for a very fast ROI (return on inves
Electronics Forum | Fri Nov 01 09:35:52 EST 2002 | James Bartlett
MINIMUM NDSU EMEG EQUIPMENT SPECIFICATIONS (11/1/02) To serve microsensor research and development via the Center for Nano-scale Science and Engineering (CNSE), the North Dakota State University (NDSU) Electronics Manufacturing Engineering Group (EM
Electronics Forum | Wed Nov 27 18:10:41 EST 2002 | andrewbrook
Quad4C's have their moments. If the price is right and you are aware of the machines limitations then you will be satisfied. The placement rate is slow, 1.2 seconds/chip. Don't buy any Quad if it has the CyberOptics Laser unit, the Quadalign unit is
Electronics Forum | Thu Dec 12 12:01:02 EST 2002 | MA/NY DDave
Hi You know I heard a show recently that said they used music for the mating of a great race horse. I don't remember his name yet it tickled me. Also this year for Christmas a company offers a music product that slows down your heart rate via breat