The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 23, 2025
Filed:
May. 05, 2023
Beijing Aurasky Electronics Co., Ltd., Beijing, CN;
Feng Zhang, Beijing, CN;
Changhua Mou, Beijing, CN;
Di Zhao, Beijing, CN;
Lei Hu, Beijing, CN;
Chen Sui, Beijing, CN;
Qi Wang, Beijing, CN;
Xiao Li, Beijing, CN;
Zhaoxing Li, Beijing, CN;
Qingli Yang, Beijing, CN;
Zhen Peng, Beijing, CN;
Bowen Deng, Beijing, CN;
BEIJING AURASKY ELECTRONICS CO., LTD., Beijing, CN;
Abstract
Provided is pressure sensor, including top cover assembly, upper seat, movable membrane; each of top and bottom of upper seat is provided with opening, top cover assembly seals opening at top of upper seat, movable membrane seals opening at bottom of upper seat; top cover assembly, upper seat, movable membrane form pressure reference chamber, and pressure sensor detects gas pressure on side of movable membrane away from top cover assembly based on state of movable membrane; at least one gas guide passage is formed at top cover assembly, and is configured to connect pressure reference chamber to outside; top cover assembly includes at least one blocking member configured to seal gas guide passage; and blocking member seals gas guide passage after being heated to temperature higher than preset melting temperature to be at least partially melted and being cooled to solidify. Manufacturing method for pressure sensor is further provided.