Electronics Forum | Wed Dec 11 10:43:19 EST 2002 | davef
The lead in pencils is banned by the Euroland No-Lead Imperative
Electronics Forum | Wed Dec 11 01:06:28 EST 2002 | iman
Was visting a production floor, of an SMT assembly line, and saw operators using mechanical pencils to write "process stage identification markings" onto the SOIC packages, after the post-reflow inspection. was wondering if such pencil markings is c
Electronics Forum | Wed Dec 11 11:11:59 EST 2002 | Randy Villeneuve
Lead in pencils is conductive, so if dust or lead particals were to break off (which they could easily do) this could cause shorts on the board, etc. Its common practice not to use lead pencils in electronics manufacturing.
Electronics Forum | Wed Dec 11 14:45:56 EST 2002 | Stephen
The "lead" in pencils is no longer lead. (not for several decades) It's graphite. And it is very conductive. I found out the hard way in high school science class.
Electronics Forum | Thu Dec 12 12:17:00 EST 2002 | MA/NY DDave
Hi Fun Posts, Everyone beat me to the graphite solution, SHUCKS!! A dollar late again You know I didn't know that for years, and never gave it any thought. I felt dumb when I realized it since I was in soldering, knew about lead poisoning, and at
Electronics Forum | Wed Dec 11 15:00:30 EST 2002 | Claude_Couture
Funny how people keep refering to the material in pencil as "lead" when actually it is graphite. As such, it is not soluble in water or alcool, so should not interfere with contamination testing. As for the dust causing shorts, very unlikely. Plus, y
Electronics Forum | Thu Dec 12 10:43:51 EST 2002 | Randy Villeneuve
Now the big question is how do they get the lead in the pencil? Don't answer that. Anyway now that we all know that there is no lead in the lead pencil (which we already knew) I still feel it is not good practice to use a lead (Graphite-clay) pencil
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Electronics Forum | Tue Sep 23 16:16:17 EDT 2008 | snsmt
anything works...thanks! so how do i even start writing a program from scratch? i have no idea what the data means, so there would be no way i would even attempt to write one.
Electronics Forum | Tue Nov 20 18:56:19 EST 2018 | dekhead
If always on... you will need to write product file as edge justified, and position stencil properly before auto-clamping takes place. If always off... you will need to write product file as center justified... and position stencil and acknowledge st
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