Title:
SULFUR DIOXIDE GAS SENSOR AND ITS MANUFACTURE
Document Type and Number:
Japanese Patent JP3217659
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method by which a sulfur dioxide gas sensor the response time of which to the concentration variation, etc., of a sulfur dioxide gas is shortened can be manufactured.
SOLUTION: In case of manufacturing a sulfur dioxide gas sensor provided with a substrate 10 which carries a platinum electrode 14 on one surface and is composed of yttria-stabilized zirconia and an auxiliary electrode 12 which contains a silver-containing electrode 16 at, at least, part of the surface and is composed of a sulfate containing silver sulfate, platinum 18 is stuck to the joint surface of the substrate 10 by thermally decomposing hexachloroplatinum after a hexachloroplatinum solution is applied to the joint surface of the substrate 10 with the auxiliary electrode 12. Then, the auxiliary electrode 12 is formed by baking the sulfate containing a prescribed amount of silver sulfate placed on the joint surface of the substrate 10 carrying the stuck platinum 18.
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Inventors:
Shigeaki Suganuma
Misa Saito
Tsuyoshi Kobayashi
Misa Saito
Tsuyoshi Kobayashi
Application Number:
JP23806695A
Publication Date:
October 09, 2001
Filing Date:
September 18, 1995
Export Citation:
Assignee:
Shinko Electric Industry Co., Ltd.
International Classes:
G01N27/409; G01N27/28; G01N27/406; G01N27/416; (IPC1-7): G01N27/416; G01N27/28
Domestic Patent References:
| JP7103937A | ||||
| JP6337257A | ||||
| JP6097553A | ||||
| JP63231255A | ||||
| JP980017A |
Attorney, Agent or Firm:
Takao Watanuki (1 outside)