Electronics Forum | Fri Sep 11 16:28:58 EDT 2020 | majdi4
Hello, Try this one : D = 0.31 L = 0.31 A = 0.2 Stencil thickness : 100 um
Electronics Forum | Tue Aug 28 09:11:26 EDT 2012 | rway
Thank you for your reply. We will try your suggestions and keep you posted.
Electronics Forum | Mon Jan 21 18:11:35 EST 2008 | dyoungquist
0.031" radius is a diameter of 0.062" which is very tight (small) for a rounded corner. I would tend to agree with the board house that is can not be done. 0.031" is a standard thickness of PCB. I think it is very possible that your customer swapp
Electronics Forum | Mon Aug 27 13:02:32 EDT 2012 | rway
We will look at the oven speed. We considered stiffeners but opted against that due to the risk of moving parts pre-reflow due to handling. 90 deg? I don't know. This may or may not help with the bowing. Considering there is little to no substra
Electronics Forum | Tue Aug 15 16:57:54 EDT 2000 | Doug Philbrick
In many threads here I have read and talked about Electroless Gold problems and have experienced my own problems with it. Love to hear what others are doing as a replacement. Is it Electroless tin, is it osp or is HASL good enough for .031 pitch BGA
Electronics Forum | Mon Jul 25 16:03:44 EDT 2005 | pjc
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Electronics Forum | Fri Sep 11 15:58:50 EDT 2020 | majdi4
You haven't communicated what thickness of stencil you are working with ... it's interesting to know..at first, you need to reduce the amount of CAB deposited because with 1X1 stencil aperture size you are depositing an amount important CAB .. so, I
Electronics Forum | Tue Oct 19 13:20:40 EDT 2021 | davef
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Electronics Forum | Thu Nov 30 17:00:59 EST 2000 | Charles Morehouse
I am interested to know what people prefer for fine pitch packaging. Tape/Reel or Waffle tray for .031", .025", .020", .015" pitch components? What is the most robust packaging (i.e. fewer bent leads, etc.) Chuck
Electronics Forum | Mon Feb 02 11:51:23 EST 2004 | prs
Hello, I'm working with Nelco 4000-13 material .031 thk and am experiencing some warping. the board is roughly 1" by 3" and the warping is in the long dimension. The grain on the panel is also in the long dimension. Any pointers or advice on contr
