Electronics Forum: stencil thickness (Page 1 of 91)

stencil thickness for bga

Electronics Forum | Mon Oct 13 13:49:29 EDT 2003 | mrmaint

Does anyone know of a standard stencil thickness for BGA'S. We currently use 4 to 5 mil stencils depending on component mix. Is an aperature reduction required for BGA'S. If so what percentage. Any help would be greatly appreciated. Thanks MRMAINT

0603 - stencil thickness

Electronics Forum | Fri Jan 03 11:42:38 EST 2003 | soupatech

Hi, I am loading a new board with mostly 0603 packages. The pads are .5 mm apart and I am having a big problem with parts shifting towards eachother instead of centering on the pads. I believe this is caused by too much solder. I am using a 7mil sten

0603 - stencil thickness

Electronics Forum | Sat Jan 04 09:02:17 EST 2003 | davef

Q1. What is the recommended stencil thickness to apply the proper amount of solder for 0603 components? A1. The proper amount of solder is determined by: * Metal content of the solder paste. * Stencil thickness. * Aperture opening. * Other factors,

stencil thickness for bga

Electronics Forum | Mon Oct 13 19:04:47 EDT 2003 | davef

Aperture size should vary with the component [pitch]. That size should be the same a the pad size. So, generally pinching is not required. Indium discusses BGA apertures on their site [ http://www.indium.com ]

0603 - stencil thickness

Electronics Forum | Thu Jan 09 10:58:30 EST 2003 | soupatech

Thanks for the input.... I ordered a 5 mil stencil AND used more tooling under the board. This gave me a much smaller deposit of solder. I wouldn't swear that was my problem but 96 boards later the problem is 99% gone. I believe there was just too mu

0603 - stencil thickness

Electronics Forum | Thu Jan 09 10:47:36 EST 2003 | Hussman

Depends on what you mean by shifting towards each other. Otherwise, 7 mil should be fine for 0603. I've used 6mil, 7mil and 8 mil without problems. Generally, stencil thickness won't have a bearing on "shifting" parts. Check placement. Make su

0603 - stencil thickness

Electronics Forum | Fri Jan 03 12:01:46 EST 2003 | jax

Alot of the companies out there use Standards developed internally, centered around there paste, equipment, and reflow processes. Normally you will see either 5mil or 6mil stencils used for everything in house with the exceptions of specific boards.(


Electronics Forum | Thu Nov 20 11:34:23 EST 2014 | markhoch

Of course I forgot to mention that the number will vary based on the type and thickness of stencil that you're using, type of squeegees, board support, print pressure, and speed.

Stencil thickness

Electronics Forum | Thu Mar 02 18:24:57 EST 2006 | stepheniii

NC or WS?

Stencil thickness

Electronics Forum | Thu Jun 09 07:25:15 EDT 2005 | pl

i think tihs one u batter using the printing pallet .The stencil thickness u can use 4 mils thks pl..

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