Electronics Forum | Wed Dec 07 16:01:45 EST 2005 | JP
I am attempting to reball some PBGA's with no luck. The problem is getting the solder spheres to sit in the stencil apertures and removing excess spheres. I apply light amount of flux to pads of a BGA, align a stencil over a BGA, then pour solder s
Electronics Forum | Fri Oct 18 22:32:20 EDT 2002 | mdm4ua
If you have room try putting a small piece of tape on the bottom of the stencil right next the aperture that is giving you the problem. The added height of the tape (Kapton tape is usually about 3 mils thick) will likely give you a heavy enough depo
Electronics Forum | Thu Oct 27 09:43:59 EDT 2005 | PWH
As Mark states, we have also used tape to cover sharpie notes and part numbers. Works well. We use kapton tape.
Electronics Forum | Fri Apr 13 22:38:19 EDT 2001 | edylc
Hi , Could you be seeing the nickel under the gold plating because you are removing some of the Gold with the Kapton Tape....?? You mean , the adhesive properties of the kapton tape will cause the gold plating on the gold finger to be somehow peel of
Electronics Forum | Mon Apr 21 08:21:13 EDT 2008 | cyber_wolf
I think Joseph is referring to Kapton tape. We use aluminum tape secured with a piece of Kapton.
Electronics Forum | Mon Jan 25 13:51:07 EST 1999 | Parvez PAtel
Steve i agree with u. we use kapton tapes for test puproses at our facility and they do not interfere with the printing results. Infact we sometimes use it to mask off unwanted apertures on stencil underside. But could their applcation affect the gol
Electronics Forum | Fri Jul 21 12:55:32 EDT 2023 | davef
From ESD Systems [ https://esdsystems.descoindustries.com/QuestionsandAnswers/ShowQuestion.aspx?i=405 ] Antistatic Property of some Kapton® Tapes - Tribocharging when removed from a surface or unwound from the core: - 3M's Tape # 42 generates from
Electronics Forum | Sun Dec 28 09:36:15 EST 2003 | davef
Paul: You are correct, but: * No all Kapton tape suppliers provide equal quality product. [We have a buying list for Kapon tape supply.] * Applying Kapton tape properly requires technique and attention to detail.
Electronics Forum | Fri Mar 07 09:50:11 EST 2014 | bandjwet
Has anyone used a Kapton stencil for SMT prototyping? http://www.soldertools.net/kapton-stencil-5-mil/ Thanks BWET
