Bonding of strain gauges to the deformable body of a...

Details Bonding of strain gauges to the deformable body of a... Bonding of strain gauges to the deformable body of a...

2007-07-17

2007-07-17

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Dynamometers

Responsive to force

C073S862627, C073S862632

Reexamination Certificate

active

11043161

ABSTRACT:
In a force-measuring cell with a deformable body and with at least one strain gauge which has a strain-sensitive electrical resistor track arranged on a polymer carrier substrate, the strain gauge is bonded to the deformable body by an adhesive layer of an inorganic-organic hybrid polymer. For the bonding of the strain gauge to the deformable body, an adhesive compound having an inorganic-organic hybrid polymer in solution is applied to the deformable body, whereupon the strain gauge is placed on the hybrid polymer layer, and the adhesive layer is subsequently hardened at a temperature between 80° C. and 130° C. For the hardening of the adhesive layer, the deformable body with the strain gauge is exposed to the increased temperature for a time period between a half hour and three hours.

REFERENCES:
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*K.-H. Haas et al., “Functionalized Coating Based on Inorganic-Organic Polymers (Ormocer® S) and Their Cmbination with Vapor Deposited Inorganic Thin Films”, Surface and Coatings Technology, 111, 1999, , pp. 72-79.

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