IMAGE SENSOR AND OPERATION METHOD THEREOF

    公开(公告)号:US20210099656A1

    公开(公告)日:2021-04-01

    申请号:US16999586

    申请日:2020-08-21

    Abstract: An image sensor and an operation method of the image sensor are disclosed. The image sensor includes a pixel array and a row driver. The pixel array includes a first pixel and a second pixel. Each of the first pixel and the second pixel includes at least one photosensitive element and a switching element configured to transfer charges generated by the at least one photosensitive element to a floating diffusion node. The first pixel and the second pixel are connected to a same column line. The row driver is configured to provide a clamping control signal to the switching element in the first pixel. The clamping control signal transits from a first level to a second level that is less than the first level, during a read period of the second pixel.

    IMAGE SENSORS INCLUDING SHIELDING STRUCTURES

    公开(公告)号:US20170257582A1

    公开(公告)日:2017-09-07

    申请号:US15434605

    申请日:2017-02-16

    CPC classification number: H04N5/3577 H04N5/374 H04N5/378 H04N9/045

    Abstract: An image sensor includes first pixels and second pixels arranged in alternating order along a first direction, first output lines extending in a second direction that is perpendicular to the first direction and respectively connected to the first pixels, second output lines extending in the second direction and respectively connected to the second pixels, first analog circuit blocks and second analog circuit blocks arranged in alternating order along the first direction, and shielding structures disposed each between adjacent ones of the first and second analog circuit blocks. Each of the first analog circuit blocks includes a plurality of first analog circuits respectively connected to the first output lines. Each of the second analog circuit blocks includes a plurality of second analog circuits respectively connected to the second output lines.

    METHOD FOR DETECTING STOCHASTIC WEAK POINTS OF LAYOUT PATTERN OF SEMICONDUCTOR INTEGRATED CIRCUIT AND COMPUTER SYSTEM PERFORMING THE SAME

    公开(公告)号:US20220207227A1

    公开(公告)日:2022-06-30

    申请号:US17486794

    申请日:2021-09-27

    Abstract: A method for detecting a stochastic weak point of a layout pattern of a semiconductor integrated circuit includes: forming a semiconductor integrated circuit by exposing a wafer which is masked by a layout pattern and coated with a photoresist to light, and etching the circuit according to the layout pattern, calculating line edge roughness (LER) of the circuit, and calculating a variability constant for fitting the line edge roughness to a normal distribution from a polymer concentration value of the photoresist. The polymer concentration value is calculated from modeling the layout pattern, a total value of intensity of light reaching the photoresist, and an intensity value of light reaching one point of the photoresist. The method further includes calculating a probability distribution of the polymer concentration value of the layout pattern based on the variability constant, and calculating a stochastic weak point of the layout pattern from the probability distribution.

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