G - Physics
01
B
73/68, 73/70
G01B 7/24 (2006.01) G01L 1/12 (2006.01) G01L 1/22 (2006.01)
Patent
CA 1255922
Abstract of the Disclosure Strain Gauge The invention relates to a strain gauge in the form of a premagnetized ferromagnetic film. Any change in length is converted into a planar Hall voltage by employing the pro- perty of magnetostriction and the planar Hall effect, or measured as a change in electric conductivity by em- ploying the properties of magnetostriction and magnetore- sistance. The strain gauge is deposited on a substrate by thin-film techniques and has a very high sensitivity.
499724
Hoffmann Horst
Kersten Peter
Seyfried Ulrich
Volz Hans
Alcatel N.v.
Smart & Biggar
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