Electronics Forum: ubga and stencil (Page 1 of 42)

uBGA PCB design and stencil design

Electronics Forum | Tue Oct 22 10:23:38 EDT 2002 | davef

ubga and stencil

uBGA PCB design and stencil design

Electronics Forum | Mon Oct 21 23:48:13 EDT 2002 | harris

Hi: If anyone have the experience with the PCB pad design and stencil design for the uBGA? We meet the problem for it. The component data is 0.3mm diameter and 0.5 pitch. Could anyone tell me the PCB pad dimension, the stencil type and aperture dimes

uBGA stencil design

Electronics Forum | Wed Feb 22 08:02:56 EST 2006 | dj44

I was looking for an stencil design for a 0.5mm pitch uBGA. Pad size is 0.38mm in diameter. We have been using 5mil stencil with type 3 no clean paste. What size aperture should we be using? Any suggestions?

screen printer and stencil printer

Electronics Forum | Wed Aug 18 10:28:17 EDT 1999 | Carol Zhang

Hi, I'd like to ask some tips about the merits and shortcomings o of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our application? The boards contain no BGA and the fines

uBGA stencil design

Electronics Forum | Wed Feb 22 10:00:58 EST 2006 | dougs

We've just set up a couple of products with 0.5mm pitch uBGA devices on them, i went for 5thou thick, laser cut nickel (to aid paste release) square pads same size as the diameter of the uBGA pads. Or you could go to a 4 thou nickel stencil, better

Differences between screen and stencil printing

Electronics Forum | Thu Dec 16 13:13:27 EST 2004 | Hiren

Sould anyone explain me pros and cons of stencil and screen printing and the advantages of using a screen printing over stencil printing

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 17:59:09 EDT 1999 | Mik Horvath

| | Hi, | | I'd like to ask some tips about the merits and shortcomings o | | of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our | | application? | | The boards contain

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 18:10:33 EDT 1999 | Mik Horvath

| | Hi, | | I'd like to ask some tips about the merits and shortcomings o | | of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our | | application? | | The boards contain

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 15:20:25 EDT 1999 | John Thorup

| Hi, | I'd like to ask some tips about the merits and shortcomings o | of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our | application? | The boards contain no BGA and

DEK Vectorguard and QTS Frame stencil systems

Electronics Forum | Mon Sep 27 14:01:45 EDT 2004 | scombs

Has anyone out there had any long term experience with either of these stencil systems? I'm looking for feedback on how the foils hold up, operator interface etc. Thanks in advance. Steve

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