Hughes Aircraft Company

Delco Electronics Corporation

Dennis T Baird

Ralph D Hermansen

Henry M Sanftleben

Gary R Shelton

Petrina L Schnabel

Douglas C Smith

An acceleration sensor is packaged in an open can and encapsulated in an elastomeric polybutadiene compound which maintains its mechanical properties over a range of -40.degree. C. to 105.degree. C. and transmits acceleration to the sensor with a unity transfer function. The encapsulation material comprises about 90 to 100 pbw of polyol and about 20 pbw of isocyanate, the polyol consisting of at least 70% of hydroxy-polybutadiene. For enhanced adhesion a foaming agent and/or an epoxy is added to the mixture.

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Kokomo, IN, United States of America

Dennis T Baird