ES2069784T3 - Procedimiento para fabricar un sensor capacitivo de humedad. - Google Patents

Procedimiento para fabricar un sensor capacitivo de humedad.

Info

Publication number
ES2069784T3
ES2069784T3 ES91112098T ES91112098T ES2069784T3 ES 2069784 T3 ES2069784 T3 ES 2069784T3 ES 91112098 T ES91112098 T ES 91112098T ES 91112098 T ES91112098 T ES 91112098T ES 2069784 T3 ES2069784 T3 ES 2069784T3
Authority
ES
Spain
Prior art keywords
polymer layer
sub
electrode
procedure
manufacture
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 - Lifetime
Application number
ES91112098T
Other languages
English (en)
Inventor
Frank Dr Hegner
Traugott Dr Ing Kallfass
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.)
Endress and Hauser SE and Co KG
Original Assignee
Endress and Hauser SE and Co KG
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 Endress and Hauser SE and Co KG filed Critical Endress and Hauser SE and Co KG
Application granted granted Critical
Publication of ES2069784T3 publication Critical patent/ES2069784T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N27/22—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)

Abstract

ESTE SENSOR SE FABRICA SIGUIENDO LOS PASOS SIGUIENTES, MEDIANTE LA TECNICA DE CAPAS FINAS COMPATIBLES: PRODUCCION DE UN ELECTRODO BASE ESTRUCTURADO 2 SOBRE UN VEHICULO DE SUSTANCIA AISLANTE (1), APLICACION DE UNA CAPA DE POLIMEROS (5) SENSIBLE A LA UNIDAD SOBRE EL ELECTRODO BASE CON UN ESPESOR IGUAL, DEJANDO LIBRES CAMPOS DE CONTACTO (3A, 3B), ACTIVACION DE LAS CONDICIONES DE LA SUPERFICIE DE LA CAPA DE POLIMERO (5), APLICACION Y SECADO POSTERIOR DE UNA DISPERNSION COLOIDAL DE PARICULAS SIO SUB 2 O AL SUB 2 O SUB 3 (6) DE UN TAMAÑO GRANULADO EN UNA CAPA FINA SOBRE LA CAPA DE POLIMERO (5), APLICACION DE UN ELECTRODO DE CUBRIMIENTO (7) SOBRE LA PARTICULA (6) QUE ESTA REPARTIDA POR IGUAL SOBRE LA CAPA DE POLIMEROS (5) DESPUES DEL SECADO DE LA DISPERSION Y SEPARACION DE LA PARTICULA (6) JUNTO CON LAS PARTES DEL ELECTRODO DE CUBRIMIENTO (7) QUE SE ENCUENTRAN SOBRE ELLA.
ES91112098T 1990-09-12 1991-07-19 Procedimiento para fabricar un sensor capacitivo de humedad. Expired - Lifetime ES2069784T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90810689 1990-09-12

Publications (1)

Publication Number Publication Date
ES2069784T3 true ES2069784T3 (es) 1995-05-16

Family

ID=8205952

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91112098T Expired - Lifetime ES2069784T3 (es) 1990-09-12 1991-07-19 Procedimiento para fabricar un sensor capacitivo de humedad.

Country Status (7)

Country Link
US (1) US5254371A (es)
EP (1) EP0475025B1 (es)
JP (1) JP2509400B2 (es)
CA (1) CA2048904C (es)
DE (1) DE59105040D1 (es)
DK (1) DK0475025T3 (es)
ES (1) ES2069784T3 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4427627C2 (de) * 1994-08-04 1999-03-11 Leybold Ag Regensensor
DE19917717C2 (de) * 1999-04-20 2002-10-17 Joerg Mueller Kapazitiver Feuchtesensor
US6580600B2 (en) * 2001-02-20 2003-06-17 Nippon Soken, Inc. Capacitance type humidity sensor and manufacturing method of the same
JP3855950B2 (ja) * 2003-03-19 2006-12-13 株式会社デンソー 容量式湿度センサ
JP4609173B2 (ja) * 2005-04-22 2011-01-12 株式会社デンソー 容量式湿度センサおよびその製造方法
WO2011159480A1 (en) 2010-06-15 2011-12-22 3M Innovative Properties Company Variable capacitance sensors and methods of making the same
CN102967634A (zh) * 2012-12-04 2013-03-13 中国科学院合肥物质科学研究院 基于阳极氧化铝薄膜共平面电极结构的电容湿敏传感器及其制备方法
JP6515683B2 (ja) * 2015-05-29 2019-05-22 富士通株式会社 測定装置および測定システム
US11815504B2 (en) * 2016-07-11 2023-11-14 Quipip, Llc Sensor device, and systems and methods for obtaining measurements of selected characteristics of a concrete mixture
JP6790327B2 (ja) * 2016-09-30 2020-11-25 ミネベアミツミ株式会社 湿度センサ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024297C2 (de) * 1980-06-27 1985-08-14 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Kapazitiver Feuchtigkeitsfühler und Verfahren zum Herstellen seiner feuchtigkeitsempfindlichen Schicht
FR2486656A1 (fr) * 1980-07-09 1982-01-15 Commissariat Energie Atomique Hygrometre capacitif
DE3151630C2 (de) * 1981-12-28 1986-07-03 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Feuchtigkeitsfühler und Verfahren zu seiner Herstellung
JPS5991355A (ja) * 1982-11-16 1984-05-26 Murata Mfg Co Ltd 湿度センサ
DE3313150C1 (de) * 1983-04-12 1984-10-04 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Duennschicht-Feuchtsensor zur Messung der absoluten Feuchte und Verfahren zu seiner Herstellung
US4761710A (en) * 1987-06-23 1988-08-02 Industrial Technology Research Institute Polyimide capacitive humidity sensing element

Also Published As

Publication number Publication date
JPH04256849A (ja) 1992-09-11
DK0475025T3 (da) 1995-06-19
DE59105040D1 (de) 1995-05-04
EP0475025A1 (de) 1992-03-18
US5254371A (en) 1993-10-19
CA2048904C (en) 1994-09-13
CA2048904A1 (en) 1992-03-13
JP2509400B2 (ja) 1996-06-19
EP0475025B1 (de) 1995-03-29

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