JPS5723848A - Electronic resistance type moisture sensor and its manufacture - Google Patents

Electronic resistance type moisture sensor and its manufacture

Info

Publication number
JPS5723848A
JPS5723848A JP9881580A JP9881580A JPS5723848A JP S5723848 A JPS5723848 A JP S5723848A JP 9881580 A JP9881580 A JP 9881580A JP 9881580 A JP9881580 A JP 9881580A JP S5723848 A JPS5723848 A JP S5723848A
Authority
JP
Japan
Prior art keywords
layer
polysilicon
insulating layer
silicon
moisture sensor
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.)
Granted
Application number
JP9881580A
Other languages
English (en)
Other versions
JPH0113056B2 (ja
Inventor
Toru Sugawara
Shigeki Tsuchiya
Tokuyuki Kaneshiro
Shuichi Ohara
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 JP9881580A priority Critical patent/JPS5723848A/ja
Priority to US06/361,903 priority patent/US4642601A/en
Priority to PCT/JP1981/000166 priority patent/WO1982000362A1/ja
Priority to DE8181902028T priority patent/DE3174710D1/de
Priority to EP81902028A priority patent/EP0057728B1/en
Publication of JPS5723848A publication Critical patent/JPS5723848A/ja
Publication of JPH0113056B2 publication Critical patent/JPH0113056B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Non-Adjustable Resistors (AREA)
JP9881580A 1980-07-21 1980-07-21 Electronic resistance type moisture sensor and its manufacture Granted JPS5723848A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP9881580A JPS5723848A (en) 1980-07-21 1980-07-21 Electronic resistance type moisture sensor and its manufacture
US06/361,903 US4642601A (en) 1980-07-21 1981-07-20 Humidity-sensitive element
PCT/JP1981/000166 WO1982000362A1 (en) 1980-07-21 1981-07-20 Moisture-sensitive element,moisture-sensitive material and manufacturing method for same
DE8181902028T DE3174710D1 (en) 1980-07-21 1981-07-20 Moisture-sensitive element, moisture-sensitive material and manufacturing method for same
EP81902028A EP0057728B1 (en) 1980-07-21 1981-07-20 Moisture-sensitive element, moisture-sensitive material and manufacturing method for same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9881580A JPS5723848A (en) 1980-07-21 1980-07-21 Electronic resistance type moisture sensor and its manufacture

Publications (2)

Publication Number Publication Date
JPS5723848A true JPS5723848A (en) 1982-02-08
JPH0113056B2 JPH0113056B2 (ja) 1989-03-03

Family

ID=14229813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9881580A Granted JPS5723848A (en) 1980-07-21 1980-07-21 Electronic resistance type moisture sensor and its manufacture

Country Status (1)

Country Link
JP (1) JPS5723848A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100488432B1 (ko) * 2002-03-20 2005-05-11 가부시키가이샤 덴소 패시베이션막을 구비한 캐패시턴스 타입 습도 센서

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940491A (ja) * 1972-08-19 1974-04-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940491A (ja) * 1972-08-19 1974-04-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100488432B1 (ko) * 2002-03-20 2005-05-11 가부시키가이샤 덴소 패시베이션막을 구비한 캐패시턴스 타입 습도 센서

Also Published As

Publication number Publication date
JPH0113056B2 (ja) 1989-03-03

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