KR100919004B1 - 수소검출센서 및 그 제조방법 - Google Patents
수소검출센서 및 그 제조방법 Download PDFInfo
- Publication number
- KR100919004B1 KR100919004B1 KR1020070075389A KR20070075389A KR100919004B1 KR 100919004 B1 KR100919004 B1 KR 100919004B1 KR 1020070075389 A KR1020070075389 A KR 1020070075389A KR 20070075389 A KR20070075389 A KR 20070075389A KR 100919004 B1 KR100919004 B1 KR 100919004B1
- Authority
- KR
- South Korea
- Prior art keywords
- reaction part
- hydrogen
- detection sensor
- heater
- oxide film
- Prior art date
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- 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
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- 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
- G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
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- 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
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
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- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4075—Composition or fabrication of the electrodes and coatings thereon, e.g. catalysts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/005—Specially adapted to detect a particular component for H2
Abstract
Description
Claims (8)
- 실리콘(Si) 기판과;상기 기판의 상부면에 증착 형성되는 실리콘 산화물질(SiO2)의 산화막과;상기 산화막의 상부에서 형성되는 적어도 하나 이상의 히터와;상기 히터를 포함하여 상기 산화막의 상부에 증착형성되는 절연층과;상기 절연층의 상부에 형성되는 촉매물질 층인 제 1 반응부와;상기 제 1 반응부 상에서 포토레지스터(PR: Photo Register)를 매개로 하여 적어도 하나 이상의 판상 또는 침상 구조 중 어느 하나로 형성되는 촉매물질 층인 제 2 반응부;를 포함하여 구성되는 것을 특징으로 하는 수소검출센서.
- 삭제
- 삭제
- 청구항 1에 있어서, 상기 히터는 코일 형태로 형성되며, 상기 코일과 상기 제 1 반응부 및 제 2 반응부는 백금족금속물질로 이루어지는 것을 특징으로 하는 수소검출센서.
- 실리콘(Si) 기판 상부면에 실리콘 산화물질(SiO2)의 산화막을 증착한 후 코일 히터를 형성한 한 후 절연물질을 증착하여 절연층을 형성하는 절연층형성과정과;상기 절연층 상부에 촉매물질 층의 제 1 반응부를 형성하는 제 1 반응부형성과정과;상기 제 1 반응부 상에 포토레지스터를 이용하여 판상 또는 침상 중 어느 하나의 구조를 위한 패터닝을 수행하는 포토레지스터패터닝과정과;상기 포토레지스터 패터닝 이후 촉매물질 층을 형성한 후 포토레지스터를 제거하여 판상 또는 침상 중 어느 하나의 구조의 제 2 반응부를 형성하는 제 2 반응부 형성과정;으로 이루어지는 것을 특징으로 하는 수소검출센서 제조방법.
- 삭제
- 삭제
- 청구항 5에 있어서, 상기 히터는 백금족금속을 코일 형태로 형성되며, 상기 코일과 상기 제 1 반응부 및 제 2 반응부는 백금족금속물질로 이루어지는 것을 특징으로 하는 수소검출센서 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020070075389A KR100919004B1 (ko) | 2007-07-27 | 2007-07-27 | 수소검출센서 및 그 제조방법 |
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KR1020070075389A KR100919004B1 (ko) | 2007-07-27 | 2007-07-27 | 수소검출센서 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20090011620A KR20090011620A (ko) | 2009-02-02 |
KR100919004B1 true KR100919004B1 (ko) | 2009-09-24 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002513930A (ja) * | 1998-04-30 | 2002-05-14 | シーメンス アクチエンゲゼルシヤフト | 水素センサ |
JP2003240746A (ja) * | 2002-02-14 | 2003-08-27 | Matsushita Electric Ind Co Ltd | 水素ガスセンサ |
JP2007064865A (ja) * | 2005-09-01 | 2007-03-15 | Toshitsugu Ueda | ガスセンサ及びガスセンサの製造方法 |
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- 2007-07-27 KR KR1020070075389A patent/KR100919004B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002513930A (ja) * | 1998-04-30 | 2002-05-14 | シーメンス アクチエンゲゼルシヤフト | 水素センサ |
JP2003240746A (ja) * | 2002-02-14 | 2003-08-27 | Matsushita Electric Ind Co Ltd | 水素ガスセンサ |
JP2007064865A (ja) * | 2005-09-01 | 2007-03-15 | Toshitsugu Ueda | ガスセンサ及びガスセンサの製造方法 |
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