Invention Grant
- Patent Title: Integrated heater (and related method) to recover degraded piezoelectric device performance
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Application No.: US17881934Application Date: 2022-08-05
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Publication No.: US12082505B2Publication Date: 2024-09-03
- Inventor: Alexander Kalnitsky , Chun-Ren Cheng , Chi-Yuan Shih , Kai-Fung Chang , Shih-Fen Huang , Yi-Chuan Teng , Yi Heng Tsai , You-Ru Lin , Yan-Jie Liao
- Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
- Applicant Address: TW Hsin-Chu
- Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
- Current Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
- Current Assignee Address: TW Hsinchu
- Agency: Eschweiler & Potashnik, LLC
- The original application number of the division: US16413839 2019.05.16
- Main IPC: H10N30/04
- IPC: H10N30/04 ; G01N25/58 ; H10N30/00 ; H10N30/067 ; H10N30/87 ; H10N30/063

Abstract:
In some embodiments, a piezoelectric device is provided. The piezoelectric device includes a semiconductor substrate. A first electrode is disposed over the semiconductor substrate. A piezoelectric structure is disposed on the first electrode. A second electrode is disposed on the piezoelectric structure. A heating element is disposed over the semiconductor substrate. The heating element is configured to heat the piezoelectric structure to a recovery temperature for a period of time, where heating the piezoelectric structure to the recovery temperature for the period of time improves a degraded electrical property of the piezoelectric device.
Public/Granted literature
- US20220384709A1 INTEGRATED HEATER (AND RELATED METHOD) TO RECOVER DEGRADED PIEZOELECTRIC DEVICE PERFORMANCE Public/Granted day:2022-12-01
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