Electronics Forum: manual screen printing (Page 9 of 120)

Very thin laminate substrate problem with solder printing

Electronics Forum | Thu Jan 26 02:14:52 EST 2017 | jgo

Hi all, Am new to SMT here. I have a very thin laminate substrate which around 120um thickess. Being that thin, warpage is constantly an issue for us. For the solder printing part, we have a number of problems. Being so thin and warped, we need t

Very thin laminate substrate problem with solder printing

Electronics Forum | Mon Jan 30 05:58:39 EST 2017 | rob

Hi all, > > Am new to SMT here. > > I have a very > thin laminate substrate which around 120um > thickess. Being that thin, warpage is constantly > an issue for us. > > For the solder printing part, > we have a number of problems. > > Being s

Re: screen printer x axis

Electronics Forum | Fri Sep 17 21:25:00 EDT 1999 | Rob

| | HI everyone, | | | | We are using a Siemens ap-25 screen printer, in the past we have not had any problems with adhesive placement until a couple of weeks ago. It seems the x axis has decided that it should be set somewhere between .00085 an

Re: screen printer x axis

Electronics Forum | Fri Sep 17 15:43:08 EDT 1999 | Dave F

| HI everyone, | | We are using a Siemens ap-25 screen printer, in the past we have not had any problems with adhesive placement until a couple of weeks ago. It seems the x axis has decided that it should be set somewhere between .00085 and .001

Re: screen printer x axis

Electronics Forum | Mon Sep 20 11:53:41 EDT 1999 | Scott S. Snider

| HI everyone, | | We are using a Siemens ap-25 screen printer, in the past we have not had any problems with adhesive placement until a couple of weeks ago. It seems the x axis has decided that it should be set somewhere between .00085 and .001

Re: screen printer x axis

Electronics Forum | Thu Sep 23 21:51:27 EDT 1999 | harry

| | HI everyone, | | | | We are using a Siemens ap-25 screen printer, in the past we have not had any problems with adhesive placement until a couple of weeks ago. It seems the x axis has decided that it should be set somewhere between .00085 an

Re: screen printer x axis

Electronics Forum | Fri Sep 17 23:59:40 EDT 1999 | JAX

| | | HI everyone, | | | | | | We are using a Siemens ap-25 screen printer, in the past we have not had any problems with adhesive placement until a couple of weeks ago. It seems the x axis has decided that it should be set somewhere between .00

Screen printing the board from........

Electronics Forum | Wed Mar 04 21:24:04 EST 1998 | Ron Costa

Hello everyone! Does any know anything about bare board size variations? Is there a spec. or tolerance? I'm running small lots of boards and during the screen printing process I find that I cannot paste each board perfectly.I've tried other screen pr

Paste printing fine pitch components

Electronics Forum | Mon Oct 14 14:35:51 EDT 2013 | garym4569

Thanks for the replies. I have just ordered the IPC Stencil Design Guidelines manual.

Paste printing way to thick!

Electronics Forum | Sat Mar 29 15:29:06 EDT 2008 | aw

I am printing a ceramic paste through a 160 mesh screen that should have a theoretical wet print thickness of 53um but the only way I can get the print that thin is to increase down stop and slow the stroke. This is causing problems with the mesh, s


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