Electronics Forum | Fri May 04 18:55:49 EDT 2001 | johnthor
actually the "yellow lite" part of my posting was simply spoofing Dave's light up band-aid wrappers. But seriously (again) most high temperature Kapton polyimide film tapes, like 3M #92 and #1205, develop a considerable charge when unrolled or remov
Electronics Forum | Tue Mar 01 10:04:21 EST 2005 | Rob
We used durastone pallets, where you mill out the profile of the panel or board and it sits flat for printing. We secured them using 3M spray mount (for singled sided) and Kapton tape. Obviously helps to have bottom side heating in the oven as you
Electronics Forum | Thu Sep 14 06:45:11 EDT 2006 | Rob
Hi Mika, We had roughly the same set up - AP27 -CP6x2, GSMx2, VIP98 & we ran the thin boards with durastone routed pallets. If you route out a 0.4mm pocket on the pallet and either use kapton tape/high temp masking tape/ or 3M spraymount to hold
Electronics Forum | Sat Jan 23 16:07:20 EST 1999 | Steve Gregory
| hi, | i am working towards developing a no-clean process for a customer at contract manufacturing facility. the assemblies have gold fingers on them. these are masked to prevent from any damage to them during reflow soldering. the earlier proces
Electronics Forum | Thu Aug 06 13:09:57 EDT 1998 | Bob Willis
| Bob | I have had problems with spotting on gold contacts for many years and have spent many hours working on ways to solve this problem. Once a source of the problem is found and corrected the next month another source will crop up (new operator o
Electronics Forum | Wed Jan 27 20:34:13 EST 1999 | parag palshikar
| | hi, | | i am working towards developing a no-clean process for a customer at contract manufacturing facility. the assemblies have gold fingers on them. these are masked to prevent from any damage to them during reflow soldering. the earlier pr
Electronics Forum | Sat Oct 19 03:53:18 EDT 2019 | robl
For volume we used machined pocket durastone pallets, machined to the thickness of the flex to allow flat printing, with pockets machined for components placed on side 1. We held them down with 3M spray mount. For low volumes we used flat durastone
Electronics Forum | Fri May 29 14:34:37 EDT 2020 | huske
BEST Inc offers this type of product for custom shape cutouts. You can buy standard circles and squares from many places. soldertools.net/conformal-coating-tapeshapes-laser-cut-3m-type-401-engineering-cad-work/ solder.net/painters-tape-cus
Electronics Forum | Tue Jan 14 13:18:15 EST 2003 | russ
We utilize our distributor(s) Contact East, Hisco, Future, Arrow, etc.. for our needs. There are a multitude of manufacturers for this tape (3M, Dewal Ind.,etc...) so, you need to find out waht you like and dislike for this magic tape. Some manfs. ha
Electronics Forum | Fri Nov 13 23:33:33 EST 1998 | Kallol Chakraborty
| | | I believe that gold fingers on my circuit boards are being | | | contaminated and need to clean them with some chemical | | | solution. Any recommendations. | | | | | Chuck: What is the type and source of your contamination? Dave F | | We a
