Machining technology of positive temperature coefficient sensor
A technology with a positive temperature coefficient and processing technology, which is applied to thermometers, thermometers and instruments with direct heat-sensitive electric/magnetic elements, etc., can solve the problem of microscopic unevenness on the surface of the patch area, large errors in the input and output of electrical signals, and strain Problems such as inaccurate pasting position of the gauge, etc., achieve the effects of shortening the molding cycle, improving efficiency, and stabilizing product quality
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[0016] A processing technology for a positive temperature coefficient sensor, comprising the following steps:
[0017] (1) Cut the wires, use the wire cutting machine to cut the cables to ensure that the length of each cable is the same;
[0018] (2) Peel the outer skin, use a pneumatic stripping machine to peel off the outer skin at both ends of the cable;
[0019] (3) Stamping of metal pins. Firstly, the metal pins are stamped into strips. After stamping, they are rewound with a reel; (4) Electroplating. The metal pins after stamping and rewinding are electroplated. After the electroplating is completed , use the reel to rewind; (5) terminal stamping, stamp the terminal on the punching machine, and connect the terminal and the cable by stamping; (6) weld the metal pin, hit a little at the intersection of the metal pin and the inner core of the cable Flux, tin soldering time is controlled within 1-2 seconds;
[0020] (7) Clean the silicon wafer and thermally oxidize the sur...
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