GB1243095A - Polar liquid vapor sensing means - Google Patents

Polar liquid vapor sensing means

Info

Publication number
GB1243095A
GB1243095A GB1051769A GB1051769A GB1243095A GB 1243095 A GB1243095 A GB 1243095A GB 1051769 A GB1051769 A GB 1051769A GB 1051769 A GB1051769 A GB 1051769A GB 1243095 A GB1243095 A GB 1243095A
Authority
GB
United Kingdom
Prior art keywords
crystal
polar liquid
electrodes
enhancing
additives
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
GB1051769A
Other languages
English (en)
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.)
NAT LEAD CO
NL Industries Inc
Original Assignee
NAT LEAD CO
NL Industries Inc
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 NAT LEAD CO, NL Industries Inc filed Critical NAT LEAD CO
Publication of GB1243095A publication Critical patent/GB1243095A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12Investigating 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
    • G01N27/121Investigating 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223Investigating 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
    • G01N27/225Investigating 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/025Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric

Landscapes

  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inorganic Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
GB1051769A 1968-03-01 1969-02-27 Polar liquid vapor sensing means Expired GB1243095A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70964268A 1968-03-01 1968-03-01

Publications (1)

Publication Number Publication Date
GB1243095A true GB1243095A (en) 1971-08-18

Family

ID=24850741

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1051769A Expired GB1243095A (en) 1968-03-01 1969-02-27 Polar liquid vapor sensing means

Country Status (7)

Country Link
BE (1) BE728659A (ja)
CH (1) CH508880A (ja)
DE (2) DE6908118U (ja)
FR (1) FR2003030A1 (ja)
GB (1) GB1243095A (ja)
LU (1) LU58107A1 (ja)
NL (1) NL6903203A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148514A (en) * 1983-10-08 1985-05-30 Plessey Co Plc Device for measuring the liquid content of a gas
GB2181257A (en) * 1983-10-08 1987-04-15 Plessey Co Plc A probe for use in a device for measuring the liquid content of a gas
CN1059962C (zh) * 1998-05-26 2000-12-27 华南理工大学 一种可集成多功能湿光敏元件及其制造方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2408218C3 (de) * 1974-02-21 1983-11-03 Ehlen, Karl Josef, Dr., 5000 Köln Schaltungsanordnung zum Nachweis von Gasen
DE3024523A1 (de) * 1980-06-28 1982-01-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Als elektrischer kondensator ausgebildeter feuchtigkeitssensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148514A (en) * 1983-10-08 1985-05-30 Plessey Co Plc Device for measuring the liquid content of a gas
GB2181257A (en) * 1983-10-08 1987-04-15 Plessey Co Plc A probe for use in a device for measuring the liquid content of a gas
US4890494A (en) * 1983-10-08 1990-01-02 Plessey Overseas Limited Atmospheric sensor
CN1059962C (zh) * 1998-05-26 2000-12-27 华南理工大学 一种可集成多功能湿光敏元件及其制造方法

Also Published As

Publication number Publication date
BE728659A (ja) 1969-08-19
DE6908118U (de) 1969-12-11
NL6903203A (ja) 1969-09-03
DE1910287A1 (de) 1970-04-09
FR2003030A1 (ja) 1969-11-07
CH508880A (fr) 1971-06-15
LU58107A1 (ja) 1969-06-03

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