JPH0258789B2 - - Google Patents

Info

Publication number
JPH0258789B2
JPH0258789B2 JP57079867A JP7986782A JPH0258789B2 JP H0258789 B2 JPH0258789 B2 JP H0258789B2 JP 57079867 A JP57079867 A JP 57079867A JP 7986782 A JP7986782 A JP 7986782A JP H0258789 B2 JPH0258789 B2 JP H0258789B2
Authority
JP
Japan
Prior art keywords
resistance element
strain gauge
pressure transducer
semiconductor pressure
film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP57079867A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58197780A (ja
Inventor
Yukio Takahashi
Michitaka Shimazoe
Yoshitaka Matsuoka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP57079867A priority Critical patent/JPS58197780A/ja
Priority to US06/494,075 priority patent/US4618844A/en
Publication of JPS58197780A publication Critical patent/JPS58197780A/ja
Publication of JPH0258789B2 publication Critical patent/JPH0258789B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
    • G01L9/0054—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements integral with a semiconducting diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Pressure Sensors (AREA)
JP57079867A 1982-05-14 1982-05-14 半導体圧力変換器 Granted JPS58197780A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57079867A JPS58197780A (ja) 1982-05-14 1982-05-14 半導体圧力変換器
US06/494,075 US4618844A (en) 1982-05-14 1983-05-12 Semiconductor pressure transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57079867A JPS58197780A (ja) 1982-05-14 1982-05-14 半導体圧力変換器

Publications (2)

Publication Number Publication Date
JPS58197780A JPS58197780A (ja) 1983-11-17
JPH0258789B2 true JPH0258789B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-12-10

Family

ID=13702153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57079867A Granted JPS58197780A (ja) 1982-05-14 1982-05-14 半導体圧力変換器

Country Status (2)

Country Link
US (1) US4618844A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS58197780A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7035108B2 (en) 1992-05-20 2006-04-25 Seiko Epson Corporation Information processing device

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6089851A (ja) * 1983-10-21 1985-05-20 Mitsubishi Electric Corp 磁気記録再生装置
US4974596A (en) * 1987-12-14 1990-12-04 Medex, Inc. Transducer with conductive polymer bridge
US4852581A (en) * 1987-12-14 1989-08-01 Medex, Inc. Pressure transducer with conductive polymer bridge
US5861558A (en) * 1996-02-28 1999-01-19 Sigma-Netics, Inc. Strain gauge and method of manufacture
US5812047A (en) * 1997-02-18 1998-09-22 Exar Corporation Offset-free resistor geometry for use in piezo-resistive pressure sensor
WO2000032094A1 (en) 1998-11-25 2000-06-08 Ball Semiconductor, Inc. Miniature spherical semiconductor transducer
WO2000032105A1 (en) 1998-11-25 2000-06-08 Ball Semiconductor, Inc. Monitor for interventional procedures
US6447448B1 (en) 1998-12-31 2002-09-10 Ball Semiconductor, Inc. Miniature implanted orthopedic sensors
US6324904B1 (en) 1999-08-19 2001-12-04 Ball Semiconductor, Inc. Miniature pump-through sensor modules
WO2005100127A1 (en) * 2004-04-13 2005-10-27 Graco Children's Products Inc. Stroller including movable basket assembly
US7430920B2 (en) * 2005-12-16 2008-10-07 Hitachi, Ltd. Apparatus for measuring a mechanical quantity
US6968744B1 (en) * 2004-10-18 2005-11-29 Silverbrook Research Pty Ltd Capacitative pressure sensor with close electrodes
US9246486B2 (en) * 2011-12-16 2016-01-26 Apple Inc. Electronic device with noise-cancelling force sensor
US10694999B2 (en) * 2017-10-13 2020-06-30 Case Western Reserve University Conductive layer formed strain gauge and method of making same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3456226A (en) * 1967-10-27 1969-07-15 Conrac Corp Strain gage configuration
GB1208382A (en) * 1968-03-23 1970-10-14 Ferranti Ltd Improvements relating to semiconductor strain transducers
US3961358A (en) * 1973-02-21 1976-06-01 Rca Corporation Leakage current prevention in semiconductor integrated circuit devices
US4125820A (en) * 1975-10-06 1978-11-14 Honeywell Inc. Stress sensor apparatus
JPS52127257A (en) * 1976-04-19 1977-10-25 Hitachi Ltd Displacement converter
US4173900A (en) * 1977-03-07 1979-11-13 Hitachi, Ltd. Semiconductor pressure transducer
AU503379B1 (en) * 1978-08-28 1979-08-30 Babcock & Wilcox Co., The Pressure transducer
JPS5687196A (en) * 1979-12-19 1981-07-15 Hitachi Ltd Differential pressure transmitter
US4317126A (en) * 1980-04-14 1982-02-23 Motorola, Inc. Silicon pressure sensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7035108B2 (en) 1992-05-20 2006-04-25 Seiko Epson Corporation Information processing device
US7345883B2 (en) 1992-05-20 2008-03-18 Seiko Epson Corporation Processing device
US7359202B2 (en) 1992-05-20 2008-04-15 Seiko Epson Corporation Printer apparatus
US7583505B2 (en) 1992-05-20 2009-09-01 Seiko Epson Corporation Processor apparatus

Also Published As

Publication number Publication date
JPS58197780A (ja) 1983-11-17
US4618844A (en) 1986-10-21

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