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Pressure sensor

A pressure sensor and conductive layer technology, applied in the field of large-area pressure sensors, can solve problems such as difficult sensitivity improvement, great help, process difficulty, poor conductivity, etc., to achieve good anti-deformation characteristics, improve sensitivity, and capacitance value changes. volume increase effect

Inactive Publication Date: 2016-07-27
SHENZHEN NOVOCARE MEDICAL DEVICES CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the degree of deformation of insulating materials is limited after all, and it is difficult to greatly help the improvement of sensitivity.
The piezoresistive material in commonly used pressure sensors is frequently squeezed and prone to irreversible damage
In addition, because wearable devices usually require relatively large-area pressure sensors, and traditional capacitive pressure sensors need to print silver glue on the insulating film as the conductive layer (electrode), therefore, the process of printing conductive glue on a large area is relatively difficult. Uneven, there will be consequences of poor conductivity

Method used

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Embodiment Construction

[0015] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0016] The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood ...

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Abstract

The invention provides a pressure sensor.The pressure sensor comprises an upper conducting layer, a lower conducting layer and an insulating layer arranged between the upper electrode layer and the lower electrode layer, wherein multiple through holes are formed in the insulating layer.

Description

technical field [0001] The present disclosure relates to a pressure sensor, in particular to a large area pressure sensor. Background technique [0002] A pressure sensor is a very important functional component, a device that senses external pressure information through a sensing element and converts it into an electrical signal. Traditionally, according to different working principles, pressure sensors are generally divided into three types: piezoelectric, piezoresistive and capacitive. The sensitive element of the traditional capacitive pressure sensor is mainly a capacitor composed of a sensitive film and parallel electrodes. When subjected to external pressure, the sensitive film of the capacitor will deform, so that the detection of the pressure can be realized by measuring the capacitance change between its parallel electrodes. This sensor is characterized by simple structure, low energy consumption, high sensitivity, stability and so on. [0003] Electronic wearab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/14G01L1/04
CPCG01L1/04G01L1/142
Inventor 吴征瑜赵子柱
Owner SHENZHEN NOVOCARE MEDICAL DEVICES CO INC
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