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A sensor and hollow area technology, applied in the field of sensors, can solve the problems affecting the potential balance performance of the sensor, poor appearance, etc., achieve good contact, reduce the contact area, and achieve the effect of potential balance

Active Publication Date: 2022-02-01
江西卓讯微电子有限公司
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Problems solved by technology

The pre-cured protective layer cannot be developed in the later stage of development, so it remains on the surface of the ground joint or test block, resulting in poor appearance and even affecting the potential balance performance of the sensor

Method used

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0021] see figure 1 The sensor 100 is shown. The sensor 100 is provided with a circuit 10 , and it can be understood that the circuit 10 is used for power transmission and data interaction with an external power supply and a processor, respectively. The circuit 10 is wrapped with a protective layer 20 . The protective layer 20 is made of insulating material, and the protective layer 20 is used to insulate the circuit 10 and also wrap the circuit...

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Abstract

The application relates to a sensor with a ground connection, including a circuit and a protective layer wrapped outside the circuit. The protection layer is an insulating material, and the circuit is provided with a ground connection exposed outside the protection layer. The ground connection is made of conductive material. The ground connector matches and is electrically connected to the external conductive interface, so as to realize the potential balance of the sensor. A hollow area is provided in the ground connection. The sensor described in the present application can effectively avoid the pre-curing of the ground joint position during the preparation process of the protective layer, avoid the residue of the protective layer on the ground joint, and improve the appearance of the sensor and potential balance performance.

Description

technical field [0001] The application relates to the field of sensors, in particular to a sensor with a ground connection. Background technique [0002] Most of the current sensor products adopt passive wired transmission to realize electrical connection with the outside world, so as to obtain energy input and data exchange. In the wiring design of the sensor, some measures will be taken to resolve the electromagnetic interference between strong and weak currents. The ground connection is a common structure to maintain the potential balance of the sensor. Usually, the wiring of the sensor will be wrapped with a protective layer made of insulating material, and the protective layer at the ground connection and other positions will be removed after the wrapping is completed. [0003] On the other hand, in the manufacturing process of the sensor, due to the needs of different functions or tests, functional blocks or test blocks of different sizes will be designed on the sens...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D11/00H01R4/58
CPCG01D11/00H01R4/58
Inventor 胡冬生李春田
Owner 江西卓讯微电子有限公司
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