An evaluation of materials and processes employed in the construction of novel thick film force sensors
An evaluation of materials and processes employed in the construction of novel thick film force sensors
Novel thick film strain gauges have been constructed using a z-axis orientation on insulated stainless steel for a variety of force sensing applications. These devices exhibit high gauge factor and good thermal stability compared with conventional x-axis devices and offer other mechanical advantages due to their mode of operation. The work reported here investigates the characteristics of different types of stainless steel substrate and different types of insulating material used in the construction of the sensors. Both ferritic and austenitic steels have been investigated, together with different resistive and insulative compositions. The temperature coefficient of resistance of the devices has been shown to be a complex function of device thickness, surface area and the difference between the thermal coefficients of expansion of the various materials employed.
thick film, temperature, stainless steel
31-33
Zheng, Y.
4f14b365-2ced-4b7c-bc00-d1599153a12e
Atkinson, J.K.
5e9729b2-0e1f-400d-a889-c74f6390ea58
Sion, R.P.
b702a661-c816-44c3-8131-c9bb064d282c
Zhang, Z.
fd968521-9e43-4b50-b67e-3b6dfa095d13
2003
Zheng, Y.
4f14b365-2ced-4b7c-bc00-d1599153a12e
Atkinson, J.K.
5e9729b2-0e1f-400d-a889-c74f6390ea58
Sion, R.P.
b702a661-c816-44c3-8131-c9bb064d282c
Zhang, Z.
fd968521-9e43-4b50-b67e-3b6dfa095d13
Zheng, Y., Atkinson, J.K., Sion, R.P. and Zhang, Z.
(2003)
An evaluation of materials and processes employed in the construction of novel thick film force sensors.
Microelectronics International, 20 (1), .
Abstract
Novel thick film strain gauges have been constructed using a z-axis orientation on insulated stainless steel for a variety of force sensing applications. These devices exhibit high gauge factor and good thermal stability compared with conventional x-axis devices and offer other mechanical advantages due to their mode of operation. The work reported here investigates the characteristics of different types of stainless steel substrate and different types of insulating material used in the construction of the sensors. Both ferritic and austenitic steels have been investigated, together with different resistive and insulative compositions. The temperature coefficient of resistance of the devices has been shown to be a complex function of device thickness, surface area and the difference between the thermal coefficients of expansion of the various materials employed.
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Published date: 2003
Keywords:
thick film, temperature, stainless steel
Identifiers
Local EPrints ID: 22334
URI: http://eprints.soton.ac.uk/id/eprint/22334
ISSN: 1356-5362
PURE UUID: c4450711-330e-4712-85f6-6174e5d0dbf6
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Date deposited: 23 Mar 2006
Last modified: 18 Oct 2022 01:31
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Contributors
Author:
Y. Zheng
Author:
R.P. Sion
Author:
Z. Zhang
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