Electronics Forum: laser cut stencils (Page 51 of 54)

Voids in solder fillet

Electronics Forum | Wed Apr 16 16:55:38 EDT 2003 | russ

Thanks for the info, Here is a couple more questions (and you thought you were done) What size are these caps /res? how thick is your stencil? what type of oven are you using? what is the finish of the board? Anyway, it seems like (from a distance)t

Skewed transistors

Electronics Forum | Fri Apr 18 13:47:19 EDT 2003 | davef

Brian What did we recommend? We just gave you a link so that you can see how to get your pictures on-line, so that we can see what�s going on. Anyhow, if we understand what you saying, [We're slow today. So, please be patient.] your situation is:

squeegee blade design

Electronics Forum | Thu Oct 23 08:13:44 EDT 2003 | davef

The SEMA listing [ http://www.smema.org/smema5.pdf ] says: * D CUT SQUEEGEE: A single diamond edge squeegee which is shaped like an upside down house and made of polyurethane. * FOUR-SIDED DIAMOND EDGE SQUEEGEE: A polyurethane 3/8 x 3/8 four sided, f

Screen Printers

Electronics Forum | Fri Oct 29 15:24:32 EDT 2004 | glaucon

Do a little bit of digging in the following areas: - Service/Support in China; How good or how bad is it? - Ease of use; can the operators harness all the features? or will you be baby-sitting them? - Access to parts/spares pricing...follows under t

Yield on 0402 SMT Printed Circuit Board Assemblies

Electronics Forum | Thu Jan 04 17:04:43 EST 2007 | slthomas

99% good solder joints = 10000 ppm (defects per million opportunities). Having only built with 0603s I can't speak for a target but that still seems pretty harsh....with a 75/25 0805/0603 ratio at my last place of employment I think we were running

Re: Micro balls on gold fingers

Electronics Forum | Mon May 18 22:15:20 EDT 1998 | Steve Gregory

Howdy Richard, Welcome to the club! I now dub thee a full fledged member of the "Spotty Gold Finger and Bleeding Ulcer Society"...or SGFBUS for short... (GRIN) I know it's not funny to be in that position, but there's so many different places to pick

Re: Micro balls on gold fingers

Electronics Forum | Tue May 19 10:23:06 EDT 1998 | Mike C

Howdy Richard, Welcome to the club! I now dub thee a full fledged member of the "Spotty Gold Finger and Bleeding Ulcer Society"...or SGFBUS for short... (GRIN) I know it's not funny to be in that position, but there's so many different places t

Re: Product Segmentation in Pick Place Machines?

Electronics Forum | Mon Sep 13 14:06:49 EDT 1999 | ScottM

Okay guys (and my fellow lady lurkers), I am trying to determine WHAT the segmentation is for the products in the pick and place industry. For example, I know in screen/stencil printing, there are manuals, there are semi-automatics, mid- and h

Re: Hunter Paste Height Measurer

Electronics Forum | Fri Apr 30 03:26:48 EDT 1999 | Charles Stringer

Has anyone heard of this company? We have one at our facility and I can't find them listed anywhere. I looked through this years NEPCON directory with no listing there either. We have some parts that need replacing so any help would be g

Re: Hunter Paste Height Measurer

Electronics Forum | Fri Apr 30 08:44:46 EDT 1999 | Dave F

Has anyone heard of this company? We have one at our facility and I can't find them listed anywhere. I looked through this years NEPCON directory with no listing there either. We have some parts that need replacing so any help would be


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