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Piezoresistive Pressure Sensor

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What is use of sigma0(nd[m^3])[S/m], specially sigma0 in the piezoresistor material section of piezoresistive pressure sensor?
what is the actual value of sigma0(nd[m^3]) which i intend to use?
Can anyone give any example?
What should i do if i want to replace the material with say Graphite?

1 Reply Last Post Feb 13, 2016, 7:21 a.m. EST
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Posted: 9 years ago Feb 13, 2016, 7:21 a.m. EST
Hi Tamim Al Mahruz,

Did you solved sigma0(nd[m^3])[S/m] for graphite?
Hi Tamim Al Mahruz, Did you solved sigma0(nd[m^3])[S/m] for graphite?