Electronics Forum: kapton (Page 1 of 30)

ESD kapton tape for SMT production use

Electronics Forum | Tue Jan 21 00:44:30 EST 2014 | leardkattiya

Hi All, I have a question to ask. Do we really need ESD kapton tape to be use inside SMT line/ production? Anyway the purpose of the kapton tape is to protect gold finger/ wirebond area from solder splatter. Please advise.

ESD kapton tape for SMT production use

Electronics Forum | Wed Jan 22 11:07:42 EST 2014 | leardkattiya

Understand that one..but the main issues is..do i really need to use ESD tape or non-ESD tape..since as we all know kapton tape is already expensive..if ESD kapton tape required in SMT line..the cost will be more higher.

COB pad contamination from kapton tape adhesive

Electronics Forum | Tue Jul 10 03:51:49 EDT 2007 | vangogh

Hi All, We are producing PCBA with COB process. We are using kapton tape to protect the COB pads from solder splashes/stains. Questions: 1) Is kapton tape an industry accepted way of protecting gold pads from solder splashes? 2) What are the chance

COB pad contamination from kapton tape adhesive

Electronics Forum | Tue Jul 10 07:22:48 EDT 2007 | davef

Q1. Is kapton tape an industry accepted way of protecting gold pads from solder splashes? A1. No. It is more accepted to resolve the reason behind the solder splats, so that the added labor and cost of taping is eliminated. Search the fine SMTnet Arc

kapton dots and liquid solder mask

Electronics Forum | Tue Aug 09 10:01:26 EDT 2005 | pr

We have some large plated through holes, that we protect with hand placed Kapton dots before they go into the wave. Is there a better option? We are going to see if the boardhouse can put them on for us but I was curious how others are/would do this.

kapton dots and liquid solder mask

Electronics Forum | Tue Aug 09 12:12:57 EDT 2005 | davef

Why are you placing Kapton dots on your board prior to wave soldering? * Prevent solder from touching the hole and the area around it. [If so, why do you need to do this?] * Prevent solder from flowing up through the hole and coating portions of the

ESD kapton tape for SMT production use

Electronics Forum | Wed Jan 22 10:24:23 EST 2014 | cyber_wolf

No matter how good your process is, you will get solder on the gold fingers/lands unless they are protected. We have proven that solder will get on the gold fingers in the reflow oven. How that happens....we arent't 100% sure...there are a lot of the

kapton dots and liquid solder mask

Electronics Forum | Tue Aug 09 13:25:24 EDT 2005 | pr

From what I can gather, the annular rings are used for grounding when these boards are put in housings. A screw goes through the hole and is torqued down. If there is excess solder on the annular ring, the screw doesn't seat properly. The pallets cov

kapton dots and liquid solder mask

Electronics Forum | Wed Aug 10 11:57:16 EDT 2005 | pr

Is the peelable mask (put on by the boardhouse) flat on the surface of the pcb? If so can you tell me the material name, so maybe I can find a picture? We have to print adhesive on the board, so the mask has to be flat. That is why Kapton from the b

ESD kapton tape for SMT production use

Electronics Forum | Wed Jan 22 14:25:17 EST 2014 | rgduval

In the purest sense of ESD control, we would have to say yes, use ESD tape to cover the gold fingers. The gold fingers are connected directly to input/output controls for the card, and, as we all know, when handling boards, we're supposed to avoid c

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