Title:
AIR PRESSURE SENSOR CHIP AND METHOD FOR PREPARING SAME
Document Type and Number:
WIPO Patent Application WO/2022/188521
Kind Code:
A1
Abstract:
An air pressure sensor chip and a method for preparing same. The air pressure sensor chip comprises two first capacitors (101) and two second capacitors (102), wherein one of the two first capacitors (101) is connected in series with one of the two second capacitors (102) to form a first branch, the other one of the two first capacitors (101) is connected in series with the other one of the two second capacitors (102) to form a second branch, and the first branch is connected in parallel with the second branch; the first capacitors (101) are configured such that the capacitance values thereof increase under the action of external air pressure; and the second capacitors (102) are configured such that the capacitance values thereof decrease under the action of external air pressure.
Inventors:
LI XIANGGUANG (CN)
TIAN JUNYU (CN)
FANG HUABIN (CN)
TIAN JUNYU (CN)
FANG HUABIN (CN)
Application Number:
PCT/CN2021/143029
Publication Date:
September 15, 2022
Filing Date:
December 30, 2021
Export Citation:
Assignee:
WEIFANG GOERTEK MICROELECTRONICS CO LTD (CN)
International Classes:
G01L9/12
Foreign References:
| US20130093431A1 | 2013-04-18 | |||
| CN201532281U | 2010-07-21 | |||
| CN113125069A | 2021-07-16 | |||
| CN103344377A | 2013-10-09 | |||
| CN104321868A | 2015-01-28 | |||
| CN105540528A | 2016-05-04 | |||
| CN203365045U | 2013-12-25 | |||
| US20180113040A1 | 2018-04-26 |
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (CN)
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