| 摘要 |
A heating electrode (2) is disposed on a surface of a substrate (1); measuring electrodes (6) and a sensitive layer (8) are disposed on the opposite-lying surface. The thickness of the substrate (1) ranges from 30 ñm to 1.1 mm. Said substrate is made of glass or a vitro-ceramic material, containing less than 2 % alkaline metals. A temperature measuring electrode (3) used to control the temperature of the substrate (1) is deposited on one of the two surfaces. The surface of the substrate (1) which includes the heating electrode (2) can be covered with a protective layer (9) and/or a thermal insulation layer (10) whose porosity ranges from 40-70 %. The surface of the substrate which includes the measuring electrodes (6) and the sensitive layer (8) can be covered with a thermal insulation layer (11) whose porosity ranges between 40 and 70 %.
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