Electronics Forum | Thu Sep 19 20:28:59 EDT 2002 | bugsjoe
* What kind of the eraser can clean clearly?I've been use the eraser but the defect still present.
Electronics Forum | Thu Sep 19 02:45:33 EDT 2002 | bugsjoe
Thank you ur reply Dave. Let me explain our COB workflow: 1. unpack PCB (FR4,LPI,HASL)(the thickness of gold and nickel we can't be find)(No SMT before) 2. clean the pcb by rubber 3. blow the pcb by di-ionic gun 4. attach die by adhesive gel 5. cure
Electronics Forum | Sun Sep 22 13:14:56 EDT 2002 | scottefiske
Stop the lines...! Stop building defects and rework into your product. Contact Fab Supplier and have pipeline filled for small amount of replacement fabs to keep lines running and limiting production scheduling and impact. Request to have the board
Electronics Forum | Mon Sep 23 12:42:15 EDT 2002 | dragonslayr
yea - yippie- Scott's the man!!!! good answer - I support the notion that in the long run, stopping the line, getting the root cause determination, is not only effective but efficient. It is hard to do because we all are so used to fire fighting on
Electronics Forum | Thu Sep 19 21:23:42 EDT 2002 | davef
I'm not saying that an eraser will necessarily work. What I'm saying is that some erasers may cause more trouble than the eliminate. Look here http://aic.stanford.edu/jaic/articles/jaic28-02-003_2.html We prefer a brand called Ruby Red. The "ole
Electronics Forum | Sat May 13 07:03:16 EDT 2000 | Sal
guys, Currently running a very high volume product, with the gold fingers at the edge of the board masked off using Kapton tape to avoid any form of contamination during reflow and wavesoldering. I've heard alot of about the gold finger gloves, my q
Electronics Forum | Mon May 15 14:42:27 EDT 2000 | John Thorup
Hi Sal I've used the Stevens product for about 5 years and have nothing but good to say about them. pallets? can't say. The gloves simply extent the finger length by about 0.04" They come in 15" sticks so the length is up to you. Print/reflow contam
Electronics Forum | Mon Aug 13 08:04:43 EDT 2007 | davef
Search the fine SMTnet Archives [on gold finger], while you're waiting for others to reply. For instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=42759
Electronics Forum | Wed Nov 15 07:21:58 EST 2017 | stephendo
You don't clean contaminated gold fingers so much as you replace them. I once had the "cleaning" solution. It totally dissolved the gold fingers so that they could be replaced.
Electronics Forum | Mon Nov 13 13:49:16 EST 2017 | slthomas
Preemptively you can apply Kapton tape to protect the gold fingers during reflow. I think that's what most people do. After the fact, there are services available to clean them up but as it was described in another thread here, it is not in-expensiv
