FI770179A - - Google Patents

Info

Publication number
FI770179A
FI770179A FI770179A FI770179A FI770179A FI 770179 A FI770179 A FI 770179A FI 770179 A FI770179 A FI 770179A FI 770179 A FI770179 A FI 770179A FI 770179 A FI770179 A FI 770179A
Authority
FI
Finland
Application number
FI770179A
Other languages
Finnish (fi)
Other versions
FI59675B (en
FI59675C (en
Inventor
Andre Barraud
Jean Messier
Andre Rosilio
Original Assignee
Commissariat Energie Atomique
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 Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Publication of FI770179A publication Critical patent/FI770179A/fi
Publication of FI59675B publication Critical patent/FI59675B/en
Application granted granted Critical
Publication of FI59675C publication Critical patent/FI59675C/en

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
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • G01N27/225—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity by using hygroscopic materials

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 Electric Means (AREA)
FI770179A 1976-01-23 1977-01-20 HYGROMETER MED MONOMOLEKYLAERA SKIKT FI59675C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7601904 1976-01-23
FR7601904A FR2339169A1 (en) 1976-01-23 1976-01-23 Hygrometer with monomolecular layer of hydrophilic cpd. - between two metal layers, with electrical capacity changing rapidly and linearly with humidity change (NL 26.7.77)

Publications (3)

Publication Number Publication Date
FI770179A true FI770179A (en) 1977-07-24
FI59675B FI59675B (en) 1981-05-29
FI59675C FI59675C (en) 1984-02-21

Family

ID=9168316

Family Applications (1)

Application Number Title Priority Date Filing Date
FI770179A FI59675C (en) 1976-01-23 1977-01-20 HYGROMETER MED MONOMOLEKYLAERA SKIKT

Country Status (4)

Country Link
DE (1) DE2702487A1 (en)
FI (1) FI59675C (en)
FR (1) FR2339169A1 (en)
NL (1) NL7700316A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2848034A1 (en) * 1978-11-06 1980-05-14 Siemens Ag CAPACITIVE HUMIDITY SENSOR
US4272986A (en) * 1979-04-16 1981-06-16 Harris Corporation Method and means for measuring moisture content of hermetic semiconductor devices
FR2498329A1 (en) * 1981-01-19 1982-07-23 Commissariat Energie Atomique THIN DIELECTRIC CAPACITIVE HYGROMETER AND METHOD OF MANUFACTURING THE SAME
FR2526949B1 (en) * 1982-05-11 1989-05-12 Ministere Transports Direct Me METHOD FOR MANUFACTURING A TEMPERATURE OR HUMIDITY SENSOR OF THE THIN FILM TYPE AND SENSORS OBTAINED

Also Published As

Publication number Publication date
NL7700316A (en) 1977-07-26
FI59675B (en) 1981-05-29
DE2702487A1 (en) 1977-07-28
FR2339169A1 (en) 1977-08-19
FI59675C (en) 1984-02-21
FR2339169B1 (en) 1978-10-06

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Legal Events

Date Code Title Description
MA Patent expired
MA Patent expired

Owner name: COMMISSARIAT A L ENERGIE ATOMIQUE