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outlawed many years ago as a car-bumper coating,
again due to toxic properties...
I hope you folks have studied the safety books!
Bob Dutton
Stanford U.
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From Zhang.Bin at mtpvcorp.com Sun Jun 21 23:18:35 2009
From: Zhang.Bin at mtpvcorp.com (Ben)
Date: Sun, 21 Jun 2009 23:18:35 -0400
Subject: [labnetwork] how to reduce the contact resistance of
metal-germanium?
Message-ID: <001901c9f2e8$215eb880$641c2980$@Bin@mtpvcorp.com>
Hello all,
I?m in a project of building electronic device on bulk germanium wafer, and
find out the contact resistance become a limitation of the performance.
Because the band pining of germanium-metal interface especially the N-type
germanium, the resistance is hard to be reduced with the high Schottky
barrier.
One way is to use highly dosed germanium but it seem there is limitation to
increase the electron activated concentration for germanium.
Is there any good way to reduce the contact resistance?
Thank you
Regards
Ben
Boston University
Phone: 857-366-2675
Address? 8 ST.Mary?s street Room 609
Boston, MA 02215
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From jrweaver at purdue.edu Mon Jun 22 16:51:01 2009
From: jrweaver at purdue.edu (Weaver, John R)
Date: Mon, 22 Jun 2009 16:51:01 -0400
Subject: [labnetwork] PMS 7640 Condensation Particle Counter manual
Message-ID: <B4737B356A16C14A9373FD75AE389B1D042C7547@EXCH02.purdue.lcl>
I just acquired a PMS 7640 Condensation Particle Counter without the
manual. Does anyone have a copy of the manual that they could provide
by pdf? Also, it is missing its butadiene canister. I am hoping that
is described in the manual, if not, does anyone know what it looks like?
Thanks,
John
John R. Weaver
Facility Manager
Birck Nanotechnology Center
Purdue University
(765) 494-5494
jrweaver at purdue.edu
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From gcure at ece.arizona.edu Fri May 8 15:21:54 2009
From: gcure at ece.arizona.edu (Gregg Cure`)
Date: Fri, 8 May 2009 12:21:54 -0700 (MST)
Subject: [labnetwork] Document search for power supplies
Message-ID: <1494.150.135.217.55.1241810514.squirrel@secure.ece.arizona.edu>
Hello -
I have 4 "Effusion Source" power supplies manufactured by APT, Inc. in
Tucson AZ.
They are Model EPS-4000. There are no manufacture dates, but I would guess
them to be about mid-90s vintage.
I have no documentation/ops manuals/schematics for these power supplies.
A Google search yields no information about this company.
If anyone has any information and/or documentation to which they could
refer me, I would greatly appreciate it.
Regards,
Gregg Cure`
--
Gregg D. Cure`
The University of Arizona
Micro/Nano Fabrication Center
Electrical and Computer Engineering
1230 E. Speedway Blvd.
P.O. Box 210104
Tucson, AZ 85721-0104
Office: 520.626.1987
Cell: 520.307.2760
Fax: 520.626.7877
Website: http://mfc.engr.arizona.edu
From hbtusainc at yahoo.com Sun May 10 09:40:48 2009
From: hbtusainc at yahoo.com (Mario Portillo)
Date: Sun, 10 May 2009 06:40:48 -0700 (PDT)