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Method for manufacturing current sensor

A technology of current sensor and manufacturing method, which is applied in the direction of only measuring current, measuring current/voltage, voltage/current isolation, etc., can solve the problem of low long-term reliability of the client, and achieve the effect of improving long-term reliability and avoiding changes

Inactive Publication Date: 2020-08-18
ACEINNA TRANSDUCER SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For current sensors, due to the continuous release of package residual stress during client use, the sensitivity and zero point after compensation will change over time, resulting in low long-term reliability of client applications

Method used

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  • Method for manufacturing current sensor
  • Method for manufacturing current sensor

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Embodiment Construction

[0010] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0011] Reference herein to "one embodiment" or "an embodiment" refers to a particular feature, structure or characteristic that can be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. Unless otherwise specified, the words connected, connected, and joined in this document mean that they are electrically connected directly or indirectly.

[0012] The inventors found that due to the continuous release of package residual stress during the use of the client, the sensitivity and zero point after compensation wil...

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Abstract

The invention provides a manufacturing method of a current sensor. The manufacturing method comprises the following steps: providing a current sensor raw material; packaging the current sensor raw material into a current sensor component; and pre-baking the current sensor component at a high temperature to release packaging stress. Therefore, the change of the packaging stress in the use process of the client is avoided, so that the long-term reliability of the client application is improved.

Description

【Technical field】 [0001] The invention relates to the technical field of current sensors, in particular to a method for manufacturing a current sensor. 【Background technique】 [0002] Current sensors for measuring the magnitude of current are widely used in various electronic devices. For current sensors, due to the continuous release of package residual stress during client use, the sensitivity and zero point after compensation will change over time, resulting in low long-term reliability of client applications. [0003] Therefore, it is necessary to propose a technical solution to solve the above problems. 【Content of invention】 [0004] One of the objectives of the present invention is to provide a method for manufacturing a current sensor, which improves the long-term reliability of the current sensor through high-temperature pre-baking. [0005] According to one aspect of the present invention, the present invention provides a method for improving the long-term reli...

Claims

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Application Information

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IPC IPC(8): G01R19/00G01R15/20
CPCG01R19/0092G01R15/20
Inventor 李大来蒋乐跃黄正伟王鑫
Owner ACEINNA TRANSDUCER SYST CO LTD