Title:
STRAIN DETECTOR
Document Type and Number:
Japanese Patent JP3419409
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a strain detector in which water does not reach a strain resistance element and which exhibits always stable output characteristic.
SOLUTION: A first protective layer 20 is installed so as to cover the surface of an insulating board 11 and surfaces of strain resistance elements 17, and a second protective layer 30 is installed so as to cover the surface of the layer 20.
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Inventors:
Toshiro Otobe
Takashi Kawai
Mizukami Yukio
Takashi Kawai
Mizukami Yukio
Application Number:
JP2002320908A
Publication Date:
June 23, 2003
Filing Date:
April 13, 1999
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
G01G3/14; G01B7/16; G01L1/22; G01L5/16; G06F3/0338; H01L29/84; (IPC1-7): G01L5/16; G01B7/16; G01G3/14; G01L1/22; G06F3/033; H01L29/84
Domestic Patent References:
| JP11258075A | ||||
| JP11257911A | ||||
| JP1038733A | ||||
| JP9304197A | ||||
| JP9280981A | ||||
| JP933367A | ||||
| JP98324A | ||||
| JP8271323A | ||||
| JP7307210A |
Other References:
【文献】国際公開99/61870(WO,A1)
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)