Title:
GAS SENSOR
Document Type and Number:
Japanese Patent JP2001041924
Kind Code:
A
Abstract:
To provide a gas sensor capable of detecting the accurate concn. of carbon monoxide even if a zero point is not corrected with respect to measured potential difference.
A gas sensor consists of an insulator 4, a heater film 5, an insulating film 7, a metal film 8, a solid electrolyte film 1, a pair of electrode films 2a, 2b and a catalyst 3. Since the sheetlike metal film 8 having good heat conductivity is provided under the solid electrolyte film 1, heat can be transmitted uniformly and, even if a zero point is not corrected with respect to measured potential difference, the concn. of carbon monoxide can be accurately calculated directly from the potential difference between the electrode films 2a, 2b.
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Inventors:
UMEDA TAKAHIRO
MAKI MASAO
NIWA TAKASHI
TSURUTA KUNIHIRO
MAKI MASAO
NIWA TAKASHI
TSURUTA KUNIHIRO
Application Number:
JP21326699A
Publication Date:
February 16, 2001
Filing Date:
July 28, 1999
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G01N27/409; G01N27/416; (IPC1-7): G01N27/416; G01N27/409
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)
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