Electronics Forum: electronics (Page 6641 of 7890)

Re: SMT training classes and start up equipment

Electronics Forum | Tue Jun 23 11:23:25 EDT 1998 | Russ Miculich

You have addressed two separate issues. We are stencil printer manufacturers and equipment choices can be a real tricky and frustrating proposition if not prepared with training and understanding of the process first. I would heartily encourage you

Microbridging under 0402 capacitors.

Electronics Forum | Fri May 01 18:01:04 EDT 1998 | Peter Soland

Has anyone experienced profile related microbridging under 0402 capacitors in the past. We use a Sn46Pb46Bi8 paste, 178 degree C L.T.. Double sided board, 2 per panel, 6.5" x 5", convection oven. Profile data; thermalcouples @ components showing 200

Re: Pad Design

Electronics Forum | Fri May 01 22:32:38 EDT 1998 | Jon Medernach

A pad design shaped like Home Plate will eliminate the problem, You can get info from Create Group at Panasonic FA They have the patent on this style pad and the most experience working with the 0402 and now have qualified the 0201 Caps from Murata

Universal 4713D Adhesive Dispenser Disposal

Electronics Forum | Tue Apr 28 19:43:25 EDT 1998 | Michael Allen

I'd like to find a buyer for the following used equipment: Make: Universal Instruments Model: 4713D Adhesive Dispenser Options: Rotatable dual-dot head (0deg, 90deg) Price: Asking $4K (No reasonable offer refused) I should note that this d

Re: Universal 4713D Adhesive Dispenser Disposal

Electronics Forum | Fri May 01 12:26:02 EDT 1998 | Michael Allen

| As a matter of fact I do have DIRECT EXPERIENCE with this equipment I had 3 4713 with vision (which by the way was next to useless), You should mention if they have not allready will shortly stop supporting this equipment(spare parts), and good luc

Re: Alloy for solderballs search ?

Electronics Forum | Tue Apr 28 19:20:53 EDT 1998 | Steve Gregory

| We want to produce BGA�s which will be see burn in conditions | of 140�C / 24h active tested. | Now we think about problems for the solderball uniformity. | Does anybody know about problems or about special solderball | alloys for such productscon

Re: Mentor Graphics - UNIX

Electronics Forum | Wed Apr 29 14:02:51 EDT 1998 | Joe Hurst

>1. What are the two files that will allow you to start layout of a | | > >printed circuit board that has no Mentor Graphics schematic? | | > > | | > >2. In DA, what is a ripper? | | > > | | > >3. How do you kill a process in UNIX? | | Thanks, | | Ea

Universal Reflow Ovens: trade in program announced!

Electronics Forum | Mon Apr 27 16:14:45 EDT 1998 | ETS, LLC

For the best pricing on used equipment buy from the Manufacturer. ETS, Manufacturer of Universal's Reflow ovens has recently started a trade in program. This means we have many used and remanufactured Reflow ovens that must be sold. NO REASONABLE OFF

What would you say is a fair price?

Electronics Forum | Mon Apr 27 16:08:35 EDT 1998 | ETS, LLC

ETS, Manufacturer of Cure Ovens for use with the Nordson Select Coat line and other conformal coating systems, offers curing ovens at your desired price. That's right, you tell us what you think is a fair price and that is what you pay. Many differe

Re: Industry benchmark ppm number

Electronics Forum | Sat Apr 25 12:58:13 EDT 1998 | Earl Moon

| Is there an industry standard in calculating SMT process | PPM level for benchmarking purpose ? What are the industry | benchmark ppm number for some of the defects like solder | short for 20-mil QFP, tomstone problem for 0603 components etc....


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