Electronics Forum: used (Page 91 of 2487)

Re: AOI optical inspection lets here it!!!!!!

Electronics Forum | Fri Feb 11 10:33:18 EST 2000 | Leslie Hall

What would you use this equipment for? checking the placement of componets or the correct component? Sorry for the question I just started recently as a Manufacturing Engineer just trying to get a feel wha it can be used for?

PCB washing

Electronics Forum | Tue Feb 01 03:28:49 EST 2000 | Guo Yingchun

Hi, I want to use ultrasonic machine to remove solder paste from PCB. Can I use water as the solvent? Will it do harm to the PCB? Thanks in advance.

Re: Screen Printing for BGA

Electronics Forum | Wed Feb 02 12:55:32 EST 2000 | David Brown

I have used a 15 to 20 % reduction on PBGAs to reduce the possibility of shorting. On CBGAs and CCGAs I use a One to One aperture.

AOI inspection

Electronics Forum | Sun Jan 23 11:22:23 EST 2000 | Robert Steltman

Is anyone out there using a "Opti-Check" system? I think it is distributed in the States by Mancorp. We are based in South Africa and have recently purchased this piece of equipment and would love to get into contact with others using it in order to

Control the solder paste

Electronics Forum | Mon Jan 10 03:11:11 EST 2000 | Wister

Hi,how to control the solder paste,condition as belows? place at room temp.or put it into refrig.again if the unopened paste has been warmed up 8 hours but it would not been used at once in case of schedule changing.Assuming that this solder paste wi

Used dispenser machine HDP-G1 or HDP - G2

Electronics Forum | Thu Dec 30 14:40:05 EST 1999 | Sergio Luiz Vito

I am Looking for used dispenser machine manufactured by panasonic (HDP-G1 or HDP-G3). Thanks Eng. Sergio Luiz Vito

Laser Marking using 2D Matrix Code

Electronics Forum | Thu Dec 16 11:12:54 EST 1999 | Chuck Morehouse

I am looking for some input to peoples experiences using a laser to mark 2d matrix codes onto PCB's.

Re: nozzle - terminology

Electronics Forum | Fri Dec 17 19:07:47 EST 1999 | Dennis

There are two types of nozzles most commonly used nozzle is vaccum type. but when it comes to odd component which is not standard either plain form. must use machenical grapper to pick up the component

What is the typical BGA substrate pad alloy

Electronics Forum | Thu Dec 02 09:20:33 EST 1999 | Dave Cunningham

Is there a typical alloy used by vendors on the substrate pad? What is their process used to attach a eutectic ball to that pad? Thanks.

Chillers, Coolers

Electronics Forum | Tue Nov 30 14:29:52 EST 1999 | Jay Claybrook

Looking for information on portable chillers or coolers used with the water type recirculation heat exchanger cooling modules on the TRS21 BTU double furnace ovens. For use where you don't have a chilled water supply in the facility. Any info would


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