JPS562542A - Humidity sensing element - Google Patents
Humidity sensing elementInfo
- Publication number
- JPS562542A JPS562542A JP7886679A JP7886679A JPS562542A JP S562542 A JPS562542 A JP S562542A JP 7886679 A JP7886679 A JP 7886679A JP 7886679 A JP7886679 A JP 7886679A JP S562542 A JPS562542 A JP S562542A
- Authority
- JP
- Japan
- Prior art keywords
- humidity sensing
- electrodes
- humidity
- lead wires
- sensing element
- 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.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
PURPOSE: To reduce cost with manufacture simplified by lessening a thermal loss in element heating processing while miniaturizing a humidity sensing element, by providing electrodes for detecting electric resistance serving as a heater on a humidity sensing resistor.
CONSTITUTION: On both sides of plate-shaped humidity sensing ceramics 6, paste consisting principally of RuO2, etc., is screen-printed and baked by heating to stick surface electrodes 7 and 8; and electrode 8 is fitted with the 1st lead wires 9 and 10, and electrode 7 with the 2nd lead wires 11 and 12 to form a humidity sensing element. In the above-mentioned constitution, either of the 1st wires 9 and 10 and either of the 2nd lead wires 11 and 12 are used to measure electric resistance between both electrodes 7 and 8 and humidity in an atmosphere is found on the basis of the measured value by using an electric-resistance/humidity curve. When the humidity sensing element deteriorates, a voltage is applied between the 1st and the 2nd lead wires to flow electric current between electrodes 7 and 8 and element 6 is heated by both electrodes 7 and 8 as heating elements to restore humidity sensing characteristics. On the surface of thick-plate humidity sensing ceramics 13, linear electrodes 14 and 15 may be provided in a spiral or comb shape.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7886679A JPS562542A (en) | 1979-06-22 | 1979-06-22 | Humidity sensing element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7886679A JPS562542A (en) | 1979-06-22 | 1979-06-22 | Humidity sensing element |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS562542A true JPS562542A (en) | 1981-01-12 |
Family
ID=13673739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7886679A Pending JPS562542A (en) | 1979-06-22 | 1979-06-22 | Humidity sensing element |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS562542A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5217415A (en) * | 1975-07-30 | 1977-02-09 | Ube Ind Ltd | Process for preparation of oxalic acid diester |
JPS5669801A (en) * | 1979-11-13 | 1981-06-11 | Sumitomo Electric Industries | Moisture detecting element |
JPS577353U (en) * | 1980-06-14 | 1982-01-14 |
-
1979
- 1979-06-22 JP JP7886679A patent/JPS562542A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5217415A (en) * | 1975-07-30 | 1977-02-09 | Ube Ind Ltd | Process for preparation of oxalic acid diester |
JPS5756903B2 (en) * | 1975-07-30 | 1982-12-02 | Ube Industries | |
JPS5669801A (en) * | 1979-11-13 | 1981-06-11 | Sumitomo Electric Industries | Moisture detecting element |
JPS6318699B2 (en) * | 1979-11-13 | 1988-04-19 | Sumitomo Electric Industries | |
JPS577353U (en) * | 1980-06-14 | 1982-01-14 |
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