CS253788B1 - Method for electric moisture-content sensor production - Google Patents

Method for electric moisture-content sensor production Download PDF

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Publication number
CS253788B1
CS253788B1 CS855843A CS584385A CS253788B1 CS 253788 B1 CS253788 B1 CS 253788B1 CS 855843 A CS855843 A CS 855843A CS 584385 A CS584385 A CS 584385A CS 253788 B1 CS253788 B1 CS 253788B1
Authority
CS
Czechoslovakia
Prior art keywords
layer
aluminum
sensors
sensor
passivated
Prior art date
Application number
CS855843A
Other languages
Czech (cs)
English (en)
Other versions
CS8505843A (enEXAMPLES
Inventor
Ivan Emmer
Zdenek Hajek
Petr Repa
Original Assignee
Ivan Emmer
Zdenek Hajek
Petr Repa
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 Ivan Emmer, Zdenek Hajek, Petr Repa filed Critical Ivan Emmer
Priority to CS855843A priority Critical patent/CS253788B1/cs
Priority to DE3713505A priority patent/DE3713505C2/de
Priority to FR878706166A priority patent/FR2614700B1/fr
Priority to US07/047,805 priority patent/US4765870A/en
Priority to GB8711458A priority patent/GB2204597B/en
Publication of CS8505843A publication Critical patent/CS8505843A/cs
Publication of CS253788B1 publication Critical patent/CS253788B1/cs

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • C23C22/18—Orthophosphates containing manganese cations
    • 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)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
CS855843A 1985-08-13 1985-08-13 Method for electric moisture-content sensor production CS253788B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CS855843A CS253788B1 (en) 1985-08-13 1985-08-13 Method for electric moisture-content sensor production
DE3713505A DE3713505C2 (de) 1985-08-13 1987-04-22 Verfahren zur Herstellung eines elektrischen Feuchtigkeitsfühlers
FR878706166A FR2614700B1 (fr) 1985-08-13 1987-04-30 Procede de fabrication d'un detecteur electrique d'humidite a grande stabilite dans le temps, notamment pour des installations de sechage, en meteorologie, en medecine ou analogue
US07/047,805 US4765870A (en) 1985-08-13 1987-05-08 Method of manufacture of an electric moisture-content sensor
GB8711458A GB2204597B (en) 1985-08-13 1987-05-14 Method and manufacture of an electric moisture-contact sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS855843A CS253788B1 (en) 1985-08-13 1985-08-13 Method for electric moisture-content sensor production

Publications (2)

Publication Number Publication Date
CS8505843A CS8505843A (enEXAMPLES) 1987-05-14
CS253788B1 true CS253788B1 (en) 1987-12-17

Family

ID=5404105

Family Applications (1)

Application Number Title Priority Date Filing Date
CS855843A CS253788B1 (en) 1985-08-13 1985-08-13 Method for electric moisture-content sensor production

Country Status (5)

Country Link
US (1) US4765870A (enEXAMPLES)
CS (1) CS253788B1 (enEXAMPLES)
DE (1) DE3713505C2 (enEXAMPLES)
FR (1) FR2614700B1 (enEXAMPLES)
GB (1) GB2204597B (enEXAMPLES)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211663A (en) * 1991-06-24 1993-05-18 Smith & Nephew Richards, Inc. Passivation methods for metallic medical implants
DE19548740A1 (de) * 1995-12-23 1997-06-26 Abb Research Ltd Verfahren zur Oberflächenbehandlung von Aluminium und Aluminiumlegierungen
US5844125A (en) * 1997-10-01 1998-12-01 Millipore Corporation Method and apparatus for measuring moisture content in a gas
WO2000036176A2 (en) * 1998-12-15 2000-06-22 Lynntech, Inc. Polymetalate and heteropolymetalate conversion coatings for metal substrates
WO2009144670A1 (en) * 2008-05-30 2009-12-03 Nxp B.V. Sensor for determining humidity
RU197788U1 (ru) * 2020-02-20 2020-05-28 Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" Микроминиатюрный сорбционный датчик влажности газа

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075385A (en) * 1960-12-15 1963-01-29 Clifford M Stover Hygrometer
US3574681A (en) * 1966-03-31 1971-04-13 Texas Instruments Inc Aluminum oxide humidity sensor
US3523244A (en) * 1967-11-01 1970-08-04 Panametrics Device for measurement of absolute humidity
DE2211553C3 (de) * 1972-03-10 1978-04-20 Henkel Kgaa, 4000 Duesseldorf Verfahren zum Verdichten von anodischen Oxidschichten auf Aluminium und Aluminiumlegierungen
GB1441245A (en) * 1972-11-23 1976-06-30 Kodak Ltd Treating anodised aluminium
US4057823A (en) * 1976-07-02 1977-11-08 International Business Machines Corporation Porous silicon dioxide moisture sensor and method for manufacture of a moisture sensor
CS197742B1 (cs) * 1977-12-19 1980-05-30 Ivan Emmer Způsob výroby elektrického vlhkoměrného čidla
GB2017924B (en) * 1978-02-20 1982-09-02 Matsushita Electric Industrial Co Ltd Humidity sensing element of electric capacitance change type and method of producing same
US4204919A (en) * 1979-05-02 1980-05-27 Sprague Electric Company Treating etched aluminum electrolytic capacitor foil
CS210174B1 (en) * 1979-07-12 1982-01-29 Ivan Emmer Method of making the electric hygrometric sensor
US4470885A (en) * 1983-02-07 1984-09-11 Sprague Electric Company Process for treating aluminum electrolytic capacitor foil

Also Published As

Publication number Publication date
GB2204597B (en) 1991-11-20
DE3713505C2 (de) 1997-04-24
CS8505843A (enEXAMPLES) 1987-05-14
GB8711458D0 (en) 1987-06-17
DE3713505A1 (de) 1988-11-10
GB2204597A (en) 1988-11-16
FR2614700B1 (fr) 1990-07-20
US4765870A (en) 1988-08-23
FR2614700A1 (fr) 1988-11-04

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Legal Events

Date Code Title Description
IF00 In force as of 2000-06-30 in czech republic
MK4A Patent expired

Effective date: 20000813