Electronics Forum: delamination and caps (Page 2 of 10)

SMT reels using paper for caps and have problems with feeder jam

Electronics Forum | Thu Oct 27 09:07:50 EDT 2005 | russ

Is anyone aware of the spec for tape if any?

SMT reels using paper for caps and have problems with feeder jam

Electronics Forum | Thu Oct 27 13:22:39 EDT 2005 | russ

Thanks for the spec Greg, For us it is the stiffness.

SMT reels using paper for caps and have problems with feeder jam

Electronics Forum | Thu Oct 27 14:17:49 EDT 2005 | james

I agree the stiffness is definately the problem.

SMT reels using paper for caps and have problems with feeder jam

Electronics Forum | Thu Oct 27 09:23:36 EDT 2005 | rlackey

Hi Russ, Kemet - http://www.kemet.com/kemet/web/homepage/kechome.nsf/vapubfilesname/F3102CE.pdf/$file/F3102CE.pdf You want page 29 of 30 of this PDF Murata - http://www.murata.com/catalog/c02e11.pdf Page 132 of the catalog, or 134 of the PDF.

SMT reels using paper for caps and have problems with feeder jam

Electronics Forum | Wed Oct 26 11:02:17 EDT 2005 | Rob

I wouldn't say we've escaped either - Fuji blade wear is heavily up at the moment.

SMT reels using paper for caps and have problems with feeder jam

Electronics Forum | Thu Oct 27 08:46:58 EDT 2005 | james

Yes I would have to agree Kemet is the worse. I believe our feeders are just not strong enough to handle the thickness of the tape. It seems to need alot of force to move and to roll the tape through.

SMT reels using paper for caps and have problems with feeder jam

Electronics Forum | Thu Oct 27 09:50:10 EDT 2005 | russ

Thanks Rob, Our tape does meet the Kemet spec but I am actually wondering if there is an EIA spec or something to compare to.

SMT reels using paper for caps and have problems with feeder jam

Electronics Forum | Thu Oct 27 12:58:33 EDT 2005 | gregp

EIA-481-B Max tape thickness 1.1mm (not including bottom and top cover tapes which can be .1mm max each) Of course a 1.1mm thick piece of steel will be stiffer than a 1.1mm thick lasagna noodle (already cooked). Is the thickness the issue or is it t

SMT reels using paper for caps and have problems with feeder jam

Electronics Forum | Wed Oct 26 10:21:28 EDT 2005 | russ

We are also experiencing problems with this thick stiff paper tape. Our problem is the strength of the spring that supports the tape at its pick position. After a while it just pushes it down because the tape exit wants to bend the tape too sharply

Blistering and delaminating boards

Electronics Forum | Thu Sep 20 07:18:42 EDT 2018 | proceng1

Has anyone else been experiencing this lately? We have had a rash of boards that come in properly vacuum sealed. We store them in the hot room until we are ready to build, and we get bubbles under the solder mask. We've had 4 different jobs, all di


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