NL6903203A - - Google Patents

Info

Publication number
NL6903203A
NL6903203A NL6903203A NL6903203A NL6903203A NL 6903203 A NL6903203 A NL 6903203A NL 6903203 A NL6903203 A NL 6903203A NL 6903203 A NL6903203 A NL 6903203A NL 6903203 A NL6903203 A NL 6903203A
Authority
NL
Netherlands
Application number
NL6903203A
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 filed Critical
Publication of NL6903203A publication Critical patent/NL6903203A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric

Landscapes

  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Inorganic Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
NL6903203A 1968-03-01 1969-02-28 NL6903203A (zh)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL6903203A true NL6903203A (zh) 1969-09-03

Family

ID=24850741

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6903203A NL6903203A (zh) 1968-03-01 1969-02-28

Country Status (7)

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

Families Citing this family (5)

* 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
GB8326982D0 (en) * 1983-10-08 1983-11-09 Plessey Co Plc Atmospheric sensor
GB2181257B (en) * 1983-10-08 1988-06-29 Plessey Co Plc A probe
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 (zh) 1969-08-19
DE6908118U (de) 1969-12-11
DE1910287A1 (de) 1970-04-09
FR2003030A1 (zh) 1969-11-07
GB1243095A (en) 1971-08-18
CH508880A (fr) 1971-06-15
LU58107A1 (zh) 1969-06-03

Similar Documents

Publication Publication Date Title
AU428130B2 (zh)
AU5184069A (zh)
AU6168869A (zh)
FR2003030A1 (zh)
AU6171569A (zh)
AU2581067A (zh)
AU4811568A (zh)
AU4744468A (zh)
BE709320A (zh)
BE709095A (zh)
BE727198A (zh)
BE726624A (zh)
BE724424A (zh)
BE722706A (zh)
BE716485A (zh)
BE713145A (zh)
BE709496A (zh)
BE709484A (zh)
BE709479A (zh)
BE709446A (zh)
BE709435A (zh)
BE709415A (zh)
BE642636A (zh)
BE727647A (zh)
BE709319A (zh)