A monolithic hybrid CCD structure

A hybrid, monolithic technology, used in TV, color TV parts, TV system parts, etc., can solve the problems of small slope of the output linear part, difficult and large dynamic range environmental requirements, etc., to meet the needs of large dynamic range. The effect of requesting and improving the dynamic range characteristics

Active Publication Date: 2022-07-08
THE 44TH INST OF CHINA ELECTRONICS TECH GROUP CORP
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Problems solved by technology

[0002] CCD (Charge Coupled Device) refers to a charge-coupled device. It is a detection element that uses the charge to represent the signal size and transmits the signal by coupling. It is the core component of the aerospace camera, but the aerospace camera usually needs to meet the requirements of a large dynamic range. , the slope of the output linear part of the existing CCD is small, and its dynamic range is usually suitable for environments with high brightness. Therefore, the existing CCDs are usually difficult to take into account the requirements of large dynamic range imaging at night, morning and evening, and daytime.

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  • A monolithic hybrid CCD structure

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[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] In the description of the present invention, unless otherwise specified and limited, it should be noted that the term "connection" should be understood in a broad sense. It is directly connected or indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms can be understood according to specific situations.

[0015] like figure 1 As shown, the present invention is a monolithic hybrid CCD structure, and its preferred embodiment includes a substrate 1 and a linear array CCD unit 2 arranged on the substrate, and a TDICCD unit 3 and a TDICCD unit 3 are also arranged on the substrate 1. TDIEMCCD unit 4, the substrate 1 is a silicon substrate, so that the substrate 1 has good thermal conductivity and electrical conductivity.

[0016] The linear array CCD unit 2 includes a first horizontal register 21, ...

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Abstract

The invention discloses a monolithic hybrid CCD structure, comprising a substrate and a linear array CCD unit, a TDICCD unit and a TDIEMCCD unit arranged on the substrate, wherein the linear array CCD unit includes a first horizontal register, a first photosensitive area and a first amplifier, the first photosensitive area is electrically connected to the first horizontal register, and the first horizontal register is electrically connected to the first amplifier; the TDICCD unit includes a second horizontal register, a second photosensitive area area and a second amplifier, the second photosensitive area is electrically connected to the second horizontal register, and the second horizontal register is electrically connected to the second amplifier; the TDIEMCCD unit includes a third horizontal register, a third photosensitive area, a third amplifier and a multiplying register, the third photosensitive area is electrically connected to the third horizontal register, the third horizontal register is electrically connected to the multiplying register, and the multiplying register is electrically connected to the third amplifier connect.

Description

technical field [0001] The present invention relates to the technical field of charge-coupled devices, in particular to a monolithic hybrid CCD structure. Background technique [0002] CCD (Charge Coupled Device) refers to a charge-coupled device, which is a detection element that uses the amount of charge to represent the size of the signal and transmits the signal by coupling. It is the core component of the aerospace camera, but the aerospace camera usually needs to meet the requirements of a large dynamic range. , the slope of the output linear part of the existing CCD is small, and its dynamic range is usually suitable for the environment with high brightness. SUMMARY OF THE INVENTION [0003] The technical problem to be solved by the present invention is to provide a single-chip hybrid CCD structure that can take into account imaging at night, morning and evening and daytime. [0004] In order to solve the above problems, the present invention provides a monolithic ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/372H04N5/369H04N5/355
CPCH04N25/57H04N25/71H04N25/79
Inventor 白雪平杨洪翁雪涛
Owner THE 44TH INST OF CHINA ELECTRONICS TECH GROUP CORP
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