Electronics Forum: 20printed (Page 1 of 2)

stencil to pcb manufacturing tolerance

Electronics Forum | Fri Oct 31 08:02:14 EDT 2008 | davef

Here is some more reading on stencils for you: http://www.smtinfo.net/Db/_Stencil%20Printing.html

Squeegee Pressure

Electronics Forum | Fri Feb 12 10:44:02 EST 1999 | Bill Haynes

I am fairly new to the SMT game and I am getting conflicting answers to the following. Maybe someone can help me! When printing, one person is telling me that the stencil should be wiped completely clean of all paste because the quality of the pr

stencil cleanin

Electronics Forum | Fri Oct 14 07:56:32 EDT 2005 | davef

On understencil cleaning: * It's a good idea to do this to reduce printing defects, as you say. * We clean dry. * Our cleaning frequency varies acording to product, maybe ranging from 10 to 20 prints, averaging around 12 to 15. * As long as cleaning

Semi-Auto Stencil Printer Vision Systems; Homebrew

Electronics Forum | Sat Dec 19 05:17:19 EST 2015 | sarason

Do you just wish to use the setup as a visual aid to alignment. In which case this is not a bad idea. the only issue you will find yourself finding, is he field of view you will need to get your alignment. I have done this sort of thing with a hybrid

Re: Squeegee Pressure

Electronics Forum | Fri Feb 12 18:48:19 EST 1999 | Jon Medernach

Bill, You should wipe clean. The thin layer will dry out quickly and cause other problems. Remember squeegee down stop and squeegee pressure are seperate issues. If your downstop is to low the stencil and board will flex down, after the squeegee p

Re: Squeegee Pressure

Electronics Forum | Sat Feb 13 07:57:42 EST 1999 | Kelly

| I am fairly new to the SMT game and I am getting conflicting answers to the following. Maybe someone can help me! When printing, one person is telling me that the stencil should be wiped completely clean of all paste because the quality of the

Re: Squeegee Pressure

Electronics Forum | Tue Feb 16 08:54:57 EST 1999 | Ross Berntson

| I am fairly new to the SMT game and I am getting conflicting answers to the following. Maybe someone can help me! When printing, one person is telling me that the stencil should be wiped completely clean of all paste because the quality of the

Screen Printing

Electronics Forum | Tue May 02 05:59:28 EDT 2006 | davef

We agree with Ken's points about off contact / screen versus stencil, but this DHolt is talking stencil [regardless of what is typed about screens]. Comments are: * On "smears under the stencil": smearing happens. It makes us wonder about the frequ

Assemby of flexible printed circuits

Electronics Forum | Fri May 18 23:48:02 EDT 2012 | mspcb

Hi, Since you're looking information about flexible printed circuits,a book entitled "Printed Circuit Boards R. S. Khandpur" could give you lot of information about flex circuits from Design, Fabrication, and Assembly Phase. The book contains compr

Re: Squeegee Pressure

Electronics Forum | Tue Feb 16 02:19:29 EST 1999 | Joe

| I am fairly new to the SMT game and I am getting conflicting answers to the following. Maybe someone can help me! When printing, one person is telling me that the stencil should be wiped completely clean of all paste because the quality of the

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