In 78 years, 58 of them since I graduated as an electronics engineer or 68 of them since I built my first crystal set, but having worked on the chemical side of electronics assembly since 1957, I'm with you all the way, Bev. Brian On 15/01/2011 14:07, Bev Christian wrote: > Dear Mr. Hillman, > I was a little taken aback when in an earlier quiz you labeled antimony as a > metal rather than as a metalloid, but I can live with it, I guess. However, > for you to call silicon a metal is just too much! In 57 years, 41 of those > as a chemist (I am counting from when I decided to be one in grade 9), I > have NEVER before now heard anyone call silicon a metal. As a main group > chemist (fluorine chemist actually), I consider it a non-metal and am > willing to concede it is a metalloid, but metal? Never! You are poaching, > sir. I will stop short of demanding satisfaction. However, I do ask you to > respond and I also ask fellow TechNetters their opinion on this. > > Bev > RIM > > PS For those of you new to TechNet Dave IS a dear friend and this is all > pretty well tongue in cheek. And seeing this venue is overrun with > engineers, rather than scientists, I highly expect I am going to be > out-voted, shot down in flames, made into toast and other alliterations. > > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of David D. Hillman > Sent: Friday, January 14, 2011 4:03 PM > To: [log in to unmask] > Subject: [TN] NTC Friday Element Quiz - the Answer > > Hi folks - Here is the Friday Element Quiz Answer: > > The Question: > > The first "pure" use of this element began in 1823. This element is > sometimes classified as a metalloid. The density of this element increases > > when it is melted. The native oxide of this element prevents further > oxidation of the element below 900C. What element is being described? > > The Answer: > The element is Silicon (Si). Silicon is a metal that enables technology in > a multitude of ways. Silicon is a deoxidizer in steel production, the > basis for integrated circuits, glass, cement, protective coatings for high > temperature applications, and families of polymers. Ge atoms are larger > than Si atoms so an alloy of 85%Si and 15% Ge has an average interatomic > spacing slightly larger than pure Si. When a pure layer of Si is deposited > on the 85/15 alloy, the Si becomes strained resulting in a 70% faster > signal speed parallel to the surface! Less than 1% of the world's > production of Si is the pure form but that 1% (approximately 40K > tons/year) is roughly equal in total dollar value to the other 99% of the > metallic Si production. > > > > Lots of good guesses (this was one of the tougher quizzes) - the winner of > this week's quiz is Bev Christian of RIM. Clumpy have to sneak onto the > A380 in Germany and head for Canada: > > So far Clumpy has: > > Week 1 Lamar Young, SCS Coatings > - accomplished nothing (drank lots of coffee) > > Week 2 Bev Christian, RIM > - conducted REACH material testing > > Week 3 Drew Meyer, Benchmark Electronics Inc. > - Solderability testing and mowed the lawn > > Week 4 Ian Fox, Goodrich > - had an epic journey of travel > > Week 4 Gary Ferrari, Garrick Global > - unknown > > Week 5 Fredrick Miller, Astrolab > - unknown > > Week 6 David Nelson, Raytheon > - Was a tackling dummy for Dallas Cowboys > > Week 7 Graham Collins, L3 Communications > - Cleaned gutters and painted window trim > > Week 8 Bill Noel, ITT Geospatial Systems Division > - unknown > > Week 9 Steve Gregory of RD Circuits > - unknown > > Week 10 David Bealer of Watchfire Signs > - descaled the in-line wash machine! Ouch! > > Week 11 Dick Krug of Sparton Corporation > - assisted with AS9100 quality management systems requirements audit > > Week 12 Steve Creswick of Balanced Enterprise Solutions > - Acted as Steve's "go fer" due to a broken leg! > > Week 13 Gebhard Neifer, Delphi > - conducted a plasma pre treatment Taguchi DOE for a sealing process > > Week 14 Bev Christian, RIM > - ???? > > Have a good weekend. > > Dave Hillman > Rockwell Collins > [log in to unmask] > > ______________________________________________________________________ > This email has been scanned by the MessageLabs Email Security System. > For more information please contact helpdesk at x2960 or [log in to unmask] > ______________________________________________________________________ > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site > http://www.ipc.org/ContentPage.aspx?Pageid=E-mail-Forums for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 > ext.2815 > ----------------------------------------------------- > > > ______________________________________________________________________ > This email has been scanned by the MessageLabs Email Security System. > For more information please contact helpdesk at x2960 or [log in to unmask] > ______________________________________________________________________ > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/ContentPage.aspx?Pageid=E-mail-Forums for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/ContentPage.aspx?Pageid=E-mail-Forums for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------