Electronics Forum: you (Page 1986 of 3808)

Reflow Temperatures and speed for a 7 zone top/bot for conceptro

Electronics Forum | Thu Jun 26 04:34:49 EDT 2003 | emeto

Hi James, I saw very good posts here.Now I will give you one more practical way: 1. My advice is to encrease the temperature(like your first sidgestion). Termostress is important thing so your first zone should be 120-150C. 2. The paste profile. If

Stencil Aperture Aspect Ratio

Electronics Forum | Mon Jun 30 19:52:39 EDT 2003 | Mark Coplan

If you would email me your aperature ratio on the excell spreadsheet I would be most grateful Thanks, Mark

bending PCB Panel

Electronics Forum | Tue Jun 17 12:47:53 EDT 2003 | JB

After you depanelize your product, use the remaning "frame". Just set your panels on the "frame" before reflow. That will give some extra support. JB

Information on the Display Technology Industry

Electronics Forum | Thu Jun 19 10:16:01 EDT 2003 | caldon

I went to http://www.spie.org web site. the booksite link here you may find some good books. SPIE is a great resource. Cal Communications Test Design, Inc. www.ctdi.com

Cracks on ceramic capacitors.

Electronics Forum | Fri Jun 20 11:05:53 EDT 2003 | russ

Why don't you give us the full process along with your delta T for the wave (final preheat temp to wave contact temp). Don't forget de-paneling, ICT, and other things. It could be from the supplier, but it usually is from excessive placement force

Leadfree component plating on Sn/Pb paste

Electronics Forum | Mon Jun 30 11:06:38 EDT 2003 | nifhail

Any further input guys ? What is the effect of reflowing lead free component with eutectic solder paste, as far realiability is concerned ? Input is very much appreciated. thank you

Portable DI Water generator

Electronics Forum | Mon Jun 23 10:54:19 EDT 2003 | cyber_wolf

We have one for sale. The DI tanks need re-charged, but I guarantee you will not find one cheaper anywhere else. Contact me via SMTnet Email

Hot Air Knife

Electronics Forum | Wed Jun 25 08:45:48 EDT 2003 | russ

You may want to try Sensbey, 1-650-697-2032 Ask for Robert Hill. As Dave F. states, We have no relationship nor receive benefit from the company referenced in the above link. Russ

Hot Air Knife

Electronics Forum | Mon Jul 07 15:47:42 EDT 2003 | randywomack

Russ and DaveF, thank you for suggesting to Tejas to look for a vendor willing to consider retrofits. Sensbey has had much success implementing the HAK technology.

Wire bonding on gold fingers

Electronics Forum | Wed Jun 25 08:50:54 EDT 2003 | russ

I believe that Fancort makes some finger protectors that are made of Metal (Aluminum, titanium, etc...) I don't know how well these would process through placement equipment however due to their thickness. Could you clean the Kapton residue off just


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