Electronics Forum | Tue Jun 05 03:56:52 EDT 2001 | JohnW
Flip Chip/uBGA Underfill Visual Standards The aim of this document is to produce some draft text and then select photographs to make up a draft visual standard for inspection. There is also a need to produce some reference material for C Scan image
Electronics Forum | Wed Jan 26 12:48:56 EST 2000 | Wolfgang Busko
What does easy to use mean? From operators view: - simple input menue - precise error messages with suggestions what to check first - trustable feeders - low noise - feederchange possible without stop - automatic pickup-position alignment - safety fe
Electronics Forum | Mon Oct 11 05:48:17 EDT 1999 | Brian
| I am checking out trays for packing of Simms, and I would like to know what are the main differences between Anti-Static and Conductive trays. Anti-static are cheaper, but I would like to know about properties of one against the other, what are var
Electronics Forum | Fri Oct 01 07:25:05 EDT 1999 | Wolfgang Busko
| | Hi, | | | | We are running 0402 component on the TCM1000 and we find that teher will be missalignment on 0402 Capositor. We have identified that the missalignment is caused by the wrong information from the vision system while doing vision cente
Electronics Forum | Mon Sep 13 04:37:22 EDT 1999 | Brian
| I noticed that some of our pcb's component legend/designation are unreadable as they are placed under smt pads. Is this correct and according to standard? Although we don't have any problems with them as of now, I would like to know the effects on
Electronics Forum | Mon Sep 13 09:49:16 EDT 1999 | John Thorup
| | I noticed that some of our pcb's component legend/designation are unreadable as they are placed under smt pads. Is this correct and according to standard? Although we don't have any problems with them as of now, I would like to know the effects o
Electronics Forum | Thu Apr 22 20:26:39 EDT 1999 | Dave F
| | On various PCB's after building processes,such as reflow, flowsolder and wash. The soldermask on the PCB's have become discoloured, like a 'marble' effect all along the solder side of the board, it is lighter in contrast than normal, although whe
Electronics Forum | Sat Jan 19 02:25:37 EST 2002 | ianchan
Hi, Have a board run, using 63/37 Water Souble (WS) process. during the reflow setup time, we had unsolder issues on a leadless bump chip carrier (BCC) IC level package. To rectify the unsolder rejects, we adjusted the reflow time from 25-55sec into
Electronics Forum | Wed May 22 05:10:45 EDT 2002 | johnw
Ron, The new ystem is probably the best one I've seen for useability, the who thing can be driven by wizards to guide people through what they need to do. The system has the ability to set alarm's that will basically analyse your result's for you an
Electronics Forum | Thu Jun 20 18:56:31 EDT 2002 | stepheno
If you don't already have one, the best investment you can make in your case is a good thermometer/humidity meter. They are not at all expensive. Then record the temperature and RH about 4 times a shift. After a few weeks (maybe sooner) you can se
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