🚀 go-pugleaf

From: Markus Jansons, markus@hpscit.sc.hp.com
Date: Fri, 8 Jan 1993 19:29:49 GMT
In article <64400002@hpscit.sc.hp.com> Markus Jansons,
markus@hpscit.sc.hp.com writes:
>
>
>Does any one have any interesting or new  applications experience
>with maeterials measurments using "electrical" methods.
>
>For example, maeauring capacitance and then calculating dielectric
>constant?  What did you use for fixtures or transducers? If you
>have or know of anyone doing or would like to do such measurements
>please  advise me.
>
>It could be very beneficial for both of us.....
>
>markus jansons               markusj@hpuamsa.neth.hp.com
>                                 1-408-553-2727  voicemail.

HP has a "transducer" and software that hook up to a HP8510 Network
Analyzer. This is for doing dielectric measurements with a
contact probe. Note that this requires a substantial, i.e. probably not
sputtered, amount of material. Also, the HP85071A software uses a NIST
based alogrithm for doing complex permittivity and permeability
measurements for samples in a coaxial air line. Lowest frequency is
in the 200 - 500 MHz region. The frequency region from 10 MHz to 100 MHz
seems to be the hardest to characterize since one can not ignore the
finite
extent of the sample and yet the phase change through the sample is
not significant relative to instrumentation errors, at least in my
experience.
Comments?

Chris Jensen
ccjensen@fnal.fnal.gov