Electronics Forum: used (Page 1546 of 2487)

Re: STENCILS

Electronics Forum | Sun Aug 02 06:54:26 EDT 1998 | Bob Willis

You may liketo contact Chemtech in the UK. http://chemteck.co.uk as they have a new hand book on stencils and a design guide due for release shortly there is also some stencil information as a survey on types and price on my web sites under surveys h

Re: Lead-Free Solder Paste

Electronics Forum | Wed Jul 22 11:20:25 EDT 1998 | Russ Miculich

Barbara, I worked for 5 years with advanced materials including silver filled thermoplastics and epoxies for Alphametals. There is a trend towards lead free "solder paste". Some companies are using an Indium alloy paste and others are using a "lea

Aid and Guidance For Ben et al

Electronics Forum | Mon Jul 20 07:25:47 EDT 1998 | Scott Davies

This really should not constitute verbal abuse; it is simply what has happened. Alphametals lied to me. They said hey, we're going to give you a great deal on all those frames you're not using for the MPM printer, just send them on in. Well, UPS cha

Re: Banner

Electronics Forum | Thu Jul 16 16:18:07 EDT 1998 | Clifford Peaslee

Mr. Kooki, We have been considering many options in displaying the banner ads,and using Java seems to produce the best results so far. Java has been known to be inconsistent across different browsers. We do need feedback on what is not pleasing or wo

Re: fuji cp-4 vision system

Electronics Forum | Wed Jul 15 10:37:58 EDT 1998 | Ben Salisbury

| | We just have a use cp4 .I have a problem on transfering data between cp3 to cp4 .when I use the data for cp4 I can't have parts in correct location. Is that normal? or it's because that has a different vision system.if so.how can i do with it.the

Re: Press Fit vs. Through Hole Joint Quality

Electronics Forum | Wed Jul 15 15:35:21 EDT 1998 | Michael Fogel

Hello Mark, Here in ECI, because the nature of our products, are using the method of press fit connectors in big numbers and although we have SMT components (around 200 per board) as well as T/H components we still preferred to use press fit because

Re: Electropolishing Laser-Cut Stencils

Electronics Forum | Wed Jul 15 12:22:57 EDT 1998 | Steve Moore

Electropolishing definitely improves the print characteristics of both Laser-cut and Chem-etch stencils. The caveat here is avoid over polishing which results in rounding of the edges and/or enlargement of the openings. Over polishing is typically th

Re: X-RAY Inspection of BGA Devices

Electronics Forum | Fri Jul 10 11:50:12 EDT 1998 | Phil Teerink

| | I am eager to hear from anyone who has experience with X-RAY inspection equipment (specifically for BGA devices) or can make any recommendations. Any knowledge of second hand equipment for sale would also be valuable. | | Regards | | Rob | Rob, |

Re: Who Uses Air Sleds?

Electronics Forum | Sun Jul 12 01:23:38 EDT 1998 | Mike Cox

| There's a company out the that makes air sleds for moving equipment around. Air sleds are heavy duty plastic plastic bags with lots of little holes in the under-side. The bag is positioned under the equipment. A vacuum cleaner, hooked-up backwar

Re: Handsoldering ceramic capacitor's

Electronics Forum | Wed Jun 24 18:41:23 EDT 1998 | Bill Chrisitian

| Dennis, thanks for your input. I myself can't remember having any caps fail due to thermal stress/cracking. But the guru's here says it happens and since the assembly is for space flight, it's a requirement to preheat. Also, your process is exactl


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