Lijun:

Below are web sites for two companies that I have found to be useful
resources for inexpensive four point probes.  One of the companies offers a
handheld.

http://four-point-probes.com/
http://www.miller-design.com/index.html

Regards,
Robert Ditizio
Tegal Corporation

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Message: 4
Date: Thu, 5 Sep 2002 15:50:21 -0700 (PDT)
From: Lijun Jiang 
To: [email protected]
Subject: [mems-talk] Look for used 4-point probe or SERVICE
Reply-To: [email protected]

Hello:

I am looking for a used 4-point probe. Or someone
could do the job for me.

I want to measure the resistivity change with the
temperature of VO2 films. the temperature range is
25oC to 90oC. The resistivity will change from ~1000
Ohm.cm at 25oC to ~0.0001 Ohm.cm at 90oC. So I need a
probe that can heat the thin films, which is on the Si
wafer. Or some probe that can fit in samples much
thicker than a wafer. Then I can put in my own heater.

So firstly, I am looking for a used 4-point probe for
sale, hope less than $500. Or if someone have facility
for my job, I can pay for the testing.

thanks

lijun

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