A processing technology of humidity sensor
A technology of humidity sensor and processing technology, applied in the direction of material electrochemical variables, etc., can solve the problems of complex process, poor quality assurance, non-recyclable, etc., achieve simple and scientific preparation process, avoid inaccurate alignment, and facilitate industrial production Effect
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[0019] A processing technology for a humidity sensor, comprising the following steps:
[0020] (1) Sintering multiple ceramic pillars into a dense body;
[0021] (2) After cleaning and drying the outer surfaces of the above-mentioned sintered multiple ceramic columns, use 20-mesh corundum sand grains for sandblasting to obtain a rough surface;
[0022] (3) Spraying an alumina insulating coating on the surfaces of the above-mentioned sandblasting-treated ceramic columns and drying them to form the first insulating layer;
[0023] (4) Print the conductive paste mainly composed of platinum, copper, and zinc on the surface of the ceramic column treated in the above step (3) to form an electrode layer;
[0024] (5) Spray the alumina insulating coating on the surface of the ceramic column treated in the above step (4), and dry it to form the second insulating layer;
[0025] (6) Spray an alumina insulating coating on the surfaces of the multiple ceramic columns treated in the abov...
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