Electronics Forum: polymer (Page 1 of 7)

Non-halogenated PCB

Electronics Forum | Wed Jul 19 11:06:42 EDT 2000 | polymer

Where can I find laminates containing non-halogenated PCB? I'm especially interested in FR-4 and CEM-3, 1.6 mm 25um. Thanks in advance! Dr. Lennart Johansson Polymer Support

Wave soldering of Carbon Switch pads on PCB

Electronics Forum | Mon Apr 07 22:07:25 EDT 2003 | davef

It depends on the carbon polymer that the fabricator printed on your board. It could be: * No wave soldering * Wave soldering with a peelable mask * Wave soldering ... probably one of the latter two. Watch it. Some temporary masks can affect the

jet dispensing highly-filled polymers

Electronics Forum | Tue Aug 05 08:33:06 EDT 2003 | Mike Stadt

Is jet dispensing of highly filled polymers possible? I have only seen applications with SMT adhesives, where the filler content is on the order of 10%.

imm. silver

Electronics Forum | Sun Sep 08 19:58:57 EDT 2002 | dasal

My specialty. Your right, Most corrugated contains S02 and the pallet is usually out gassing formic acid as well. Not a great environment for silver. Original press release follows: Reactive Polymers At AT&T Bell Labs, John P. Franey has developed

Wire bonding on gold fingers

Electronics Forum | Wed Jun 25 09:42:09 EDT 2003 | caldon

SR. Here is a shot in the dark but have you try'd KNS? I know they have been working on some cool polymers...send them a note as they may have something that meets your needs. They may not have anything that can be removed but it is worth a try. pol

Photopolymerized Conducting Polymers

Electronics Forum | Wed Mar 10 17:03:52 EST 1999 | Morziana Hasan

NASA CommQuest Photopolymerized Conducting Polymers Directions: 1.Please read the information provided on this technology. You may follow the links to additional information resources below. 2.After evaluating the technology, please answer the

Dispensible Conductor Material for Bare Board Rework

Electronics Forum | Mon Jan 22 20:35:53 EST 2007 | davef

A common way to add traces to a fabricated board is to print polymer thick film [PTF] conductive ink. PTF suppliers are: * Du Pont de Nemours, E. I. & Co. - Research Triangle Park, NC * Ercon, Inc. - Wareham, MA * Dow Corning� * Asahi Chemical Res

Plastic fingers for wave solder machines

Electronics Forum | Mon Jan 31 10:21:27 EST 2000 | boca raton

I've seen some plastic fingers advertised for wave solder machines. Anyone used 'em? They are 'glass-reinforeced polymer resin', they are supposed to stand the heat, can be mixed with titanium fingers on the machine, and cheaper! (near and dear to

Nano ProTek Coating

Electronics Forum | Thu Jul 21 07:13:15 EDT 2011 | stevezeva

Rain-x being a hydrophobic silicone polymer, aren't you worried that it might cause solderability problems?

Cool technology, minimal applications

Electronics Forum | Thu Mar 11 10:31:57 EST 1999 | Justin Medernach

| NASA CommQuest | | | Photopolymerized Conducting Polymers | | Directions: | 1.Please read the information provided on this technology. You may follow the links to additional information resources below. | | 2.After evaluating the technology,

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