SENSOR CHIP FOR DETECTING LIGHT
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United States of America
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Issued Date -
Apr 28, 2022
app pub date -
Dec 18, 2019
filing date -
Dec 18, 2019
priority date (Note) -
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Abstract
A sensor chip includes a plurality of microcells to which an xy position is assigned, composed of a photodiode Dn,m, a current divider Sq,nm, with outputs Sq,v,nm, for the y direction and outputs Sq,h,nm for the x direction, the outputs Sq,h,nm being equipped with a quenching apparatus Rq,h,nm for quenching the current, and the outputs Sq,v,nm being equipped with a quenching apparatus Rq,v,nm for quenching the current, which divides the generated photocurrent of the diodes Dn,m into two equally large fractions. The microcells are arranged in a sequence of N columns in the x direction xn,=x1, x2, x3, . . . xn with n=1, 2, 3, . . . N and M rows in the y direction ym,=y1, y2, y3, . . . ym with m=1, 2, 3, . . . M. Outputs Sq,h,nm of the current dividers Sq,nm for the x direction are connected to the read-out channels ChA and ChB for the x direction.
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