Method for setting sensing polarity of a sensor device

Details Method for setting sensing polarity of a sensor device Method for setting sensing polarity of a sensor device

1995-10-27

1996-09-03

Raevis, Robert

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified electrical sensor or system

73 4R, G01L 100

Patent

active

055513042

ABSTRACT:
A method for setting the sensing polarity of a sensor device (10) uses a switching bridge (22) having a wheatstone bridge configuration that is coupled to a sensing element (20) such that the polarity of the sensor device can be set by creating two electrical opens, for example with laser trimming along a cut line (59, 66), in parallel branches (30, 31) of the switching bridge. These opens are formed after the sensor device has been fully processed.

REFERENCES:
patent: 4461984 (1984-07-01), Whitaker et al.
patent: 4777826 (1988-10-01), Rud, Jr. et al.
patent: 4910628 (1990-03-01), Minagawa et al.
patent: 4986131 (1991-01-01), Sugiyama et al.
patent: 5241850 (1993-09-01), Kawate
patent: 5347870 (1994-09-01), Dosch et al.

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