Electronics Forum: mark (Page 9 of 145)

marking code for SMT

Electronics Forum | Wed Mar 22 05:53:10 EST 2000 | tabbakh

Iwould like to know the reference for 2 surface mounted device 1)marking D05 SOT143 2)marking R2 D SOT23 Thank you very much

marking code for SMD

Electronics Forum | Wed Mar 22 05:40:52 EST 2000 | tabbakh

I would like to know the reference of 2 surface mounted device 1)marking D05 SOT143 2)marking R2 D SOT23 Thank you very much

Re: Chip cap markings

Electronics Forum | Thu Dec 18 04:31:24 EST 1997 | Robert Cass

| I need information on how to interpret the markings on ceramic chip caps. IE: a3 = .01uf etc. | Any info on a source would be great | Mike Cox Check the supplier they should have laser marking tables A4, AE

water soluble marking pen

Electronics Forum | Mon Nov 12 09:52:44 EST 2001 | dennis

Hello! I need some help! Does anyone know marking pen that is water soluble? I want to wash off marker in a cleaning machine using only hot water. I tried many different type of water soluble marking pen, but it did not come off easily.

Solder mask registration

Electronics Forum | Fri Sep 27 10:54:55 EDT 2002 | yngwie

Thank you pr. It was much appreciated. Is this mark normally act like a global fiducial/local fiducial for mBGA ? Is this a standard mark that can be read by the placement machine? what is the typical size of this mark ? are they masked ? thank y

Laser Marking

Electronics Forum | Fri Aug 26 06:18:06 EDT 2005 | beta

We currently have a Laser marking machine on trial (we have no previous experience) Machine is Epilog TT24 Just wondering if anyone out there has any experiences both good and bad to share. We use for ID marking on various accesories.

Removal of SMT Device Markings

Electronics Forum | Tue Jun 13 19:58:33 EDT 2006 | davef

Team Services: Removing IC markings * methylene chloride to remove the markings * xylene and toulene will also remove some paints * "Black boxing" Simply use a tiny piece of sandpaper to "scratch the surface" and render the device blank. Chris: Sand

PC Board Marking

Electronics Forum | Mon Jul 09 15:53:19 EDT 2007 | davef

We talked about laser marking here previously. Maybe searching for something in the fine SMTnet Archives will provide a new direction to you board marking dilemma

component markings

Electronics Forum | Tue Oct 14 13:17:42 EDT 2008 | stepheniii

What kind of AOI machine are you using? Some OEMs seem to not understand that we want to also check for correct parts with AOI not just absence/presence and solder joints. But markings are an issue. I remember when 0805 caps had markings.

Stencil Fiducial Repair

Electronics Forum | Thu Jul 23 13:28:55 EDT 2009 | pnguyvu

Hi PPM! Have your stencil house mark fid with laser machine - that how we use to have fid mark once it marked with laser it last very long time like stencil's life. Good luck! Steve USA STENCILS INC


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