All-in-one thin film temperature sensor

Abstract

The invention discloses an all-in-one thin film temperature sensor. A final product profile map of the invention is an NTC temperature sensor which comprises an upper thin film layer and a lower thin film layer, wherein at least two conducting wires are covered between the upper thin film layer and the lower thin film layer, and an NTC thermistor is welded between the conducting wires. The all-in-one thin film temperature sensor has the advantages that the NTC temperature sensor has good appearance consistency; the NTC temperature sensor has good responding speed consistency; equipment has a high degree of automation, and less staffs are required; and mass production can be realized easily.

Description

technical field [0001] The invention relates to an integrated film temperature sensor and production equipment. Background technique [0002] The thermistor temperature sensor is a temperature sensor that uses the principle that the resistance value of a conductor or semiconductor changes with temperature to measure temperature, including thin-film thermistors and NTC temperature sensors. The current film-type thermistor mainly encapsulates the bare-chip thermistor in the film through a metal bracket, and then solders the metal bracket and the pins of the thermistor by soldering. Since the melting temperature of the solder is about 180°C, and When the temperature exceeds 180°C, the connection between the pins of the thermistor and the bracket will be separated due to the melting of the solder, resulting in the inability to measure the temperature. Moreover, the longest length of this film-type thermistor is generally only 50mm, and it needs to be connected through a wire. T...

AI Technical Summary

Problems solved by technology

The current film-type thermistor mainly encapsulates the bare-chip thermistor in the film through a metal bracket, and then solders the metal bracket and the pins of the thermistor by soldering. Since the melting temperature of the solder is about 180°C, and When the temperature exceeds 180°C, the connection between the pins of the thermistor and the bracket will be separated due to the melting of the solder, resulting in the inability to measure the temperature. Moreover, the longest length of this film-type thermistor is generally only 50mm, and it needs to be connected through a wire. connection, and the connection must be insulated, so its use environment and application range are relatively limited

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