Packaging structure applied to infrared sensor, and infrared sensor packaging method
An infrared sensor and packaging structure technology, applied in the field of sensors, can solve the problems of high assembly process requirements, high cost, and complex structure, and achieve the effects of simplifying the packaging structure and packaging production process, simple structure, and realizing fixation and protection
Pending Publication Date: 2021-02-26
杭州敏和光电子技术有限公司
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Abstract
The invention belongs to the technical field of sensors, and particularly relates to a packaging structure applied to an infrared sensor, and an infrared sensor packaging method. The packaging structure comprises a substrate, a sensitive element, a sensitive element matching circuit, a metal tube cap, a pin and a packaging adhesive, wherein the metal tube cap is provided with a receiving window, the receiving window is provided with an infrared optical filter, the sensitive element and the sensitive element matching circuit are electrically connected with the substrate, one end of the pin is fixedly installed on the substrate and electrically connected with the substrate, the other end of the pin extends out of the packaging adhesive and serves as an outer pin, the metal tube cap is also provided with a structure for realizing the positioning of the sensitive element, ensuring the distance between the sensitive element and the receiving window and realizing the grounding of the metal tube cap, one surface of the substrate, which is provided with the sensitive element, faces the receiving window, and the other surface of the substrate and the metal tube cap enclose a cavity which isfilled with packaging glue. According to the invention, the packaging structure and the production process of the infrared sensor are simplified, so that the product has the characteristics of simplestructure and low cost.
Application Domain
Thermoelectric device with dielectric constant thermal changeSolid-state devices +3
Technology Topic
EngineeringLight filter +6
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