Stock material or miscellaneous articles – Hollow or container type article – Glass – ceramic – or sintered – fused – fired – or calcined metal...
Patent
1991-10-29
1993-09-07
Lesmes, George F.
Stock material or miscellaneous articles
Hollow or container type article
Glass, ceramic, or sintered, fused, fired, or calcined metal...
428 344, 428913, 73517R, 338 2, 338 4, 338307, 338308, 356 32, G01L 122, B32B 700
Patent
active
052427226
ABSTRACT:
This is to introduce a strain sensor of high quality and excellent durability. This strain sensor is composed of a basic metal body, a crystallized glass layer formed over the surface of the basic metal body, and a resistance element that changes its resistance value by strain changes and is built on the glass layer surface. By this structure, where the crystallized glass layer fired at a high temperature is employed, both of the composition, the basic metal body and the glass layer, are fused with each other at the boundary plane, making their adhesion very strong. No peeling between the basic metal body and the glass layer will take place even under the severe environmental conditions such as high temperature and heavy load.
REFERENCES:
patent: 4786887 (1988-11-01), Bringmann et al.
patent: 4894635 (1990-01-01), Yajima
Handa Haruhiko
Hiraka Masahiro
Ikeda Masaki
Kawamura Masahiro
Watanabe Yoshihiro
Lesmes George F.
Matsushita Electric - Industrial Co., Ltd.
Nold Charles R.
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