Title:
IN-SITU INFRARED DYNAMIC SENSING AND IN-SENSOR COMPUTING ARRAY BASED ON FERROELECTRIC CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2024/051170
Kind Code:
A1
Abstract:
An in-situ infrared dynamic sensing and in-sensor computing array based on a ferroelectric capacitor. The array is formed by several pixels, and each pixel is composed of several in-sensor computing devices, wherein in-sensor computing devices at the same position in different pixels are connected in parallel by means of connecting lines; and the in-sensor computing device is a deep-trench ferroelectric capacitor that is formed by a bottom electrode, a top electrode and a ferroelectric dielectric material between the two electrodes on an insulating substrate having a deep trench, and the ferroelectric dielectric material changes with temperature to produce a pyroelectric charge response related to the intensity of polarization. The present invention realizes zero-power-consumption in-situ infrared dynamic sensing, and reduces the power consumption and delay overhead of a system, and realizes weighted information sensing, realizes four-quadrant multiplication of sensed information and a weight within a single device, and achieves a complex in-sensor computing function.
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Inventors:
HUANG QIANQIAN (CN)
FU ZHIYUAN (CN)
HUANG RU (CN)
FU ZHIYUAN (CN)
HUANG RU (CN)
Application Number:
PCT/CN2023/089423
Publication Date:
March 14, 2024
Filing Date:
April 20, 2023
Export Citation:
Assignee:
UNIV BEIJING (CN)
International Classes:
H10B53/30
Foreign References:
| CN114112121A | 2022-03-01 | |||
| CN110751279A | 2020-02-04 |
Attorney, Agent or Firm:
BEIJING WANXIANGXINYUE INTELLECTUAL PROPERTY OFFICE (CN)
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