JP2016082251A5

JP2016082251A5 -

Info

Publication number: JP2016082251A5
Application number: JP2014208328A
Authority: JP
Filing date: 2014-10-09
Publication date: 2016-12-22
Anticipated expiration: 2034-10-09

Claims

A plurality of pixel groups in which a plurality of pixels for two-dimensionally arranging a plurality of pixels for performing vertical transfer using a plurality of vertical transfer clocks by time-delay integrating charges generated by performing photoelectric conversion;
Based on a plurality of selection signals indicating connection states between the plurality of vertical transfer clocks and a plurality of transfer electrodes in the plurality of pixel groups, a predetermined number of TDI stages is divided into a first stage number and a second stage number. A CCD image sensor having a TDI stage number setting circuit unit to be set,
The plurality of pixel groups include first, second, and third pixel group groups each having a predetermined natural number of pixel groups continuously arranged in the column direction,
The second pixel group group is arranged to be separated from the first pixel group group by a predetermined interval in the same row as the first pixel group group.
The third pixel group group is arranged in a row adjacent to the first pixel group group and the second pixel group group in a column corresponding to the interval,
The TDI stage number setting circuit section is disposed adjacent to at least one end in the column direction of the first pixel group, the second pixel group, and the third pixel group, respectively. CCD image sensor.

The plurality of pixel groups further include fourth, fifth, and sixth pixel group groups each having a predetermined natural number of pixel groups continuously arranged in the column direction,
The fifth pixel group group is adjacent to the third pixel group group, and is arranged to be separated from the fourth pixel group group by a predetermined interval in the same row as the fourth pixel group group. And
The sixth pixel group group is arranged in the same row as the third pixel group group in a column corresponding to the interval,
The pixel groups of the first to third pixel group groups are each ½ pixel pitch in the column direction with respect to the pixel groups of the fourth to sixth pixel group groups corresponding to the pixel groups. The CCD image sensor according to claim 1, wherein the CCD image sensor is shifted and arranged.

A plurality of selection lines respectively connected to the transfer electrodes;
The TDI stage number setting circuit section is
A line selection circuit that is connected to each of the selection lines and that connects the vertical transfer clocks to the predetermined selection lines based on the plurality of selection signals;
A vertical shift register circuit configured by a plurality of unit cell circuits and holding the plurality of selection signals representing connection states of the vertical transfer clocks in the line selection circuit in the corresponding unit cell circuits. The CCD image sensor according to claim 1 or 2.

The connection state of each vertical transfer clock in the line selection circuit is a connection state for setting the first stage number and the second stage number,
The line selection circuit determines whether to replace a predetermined pair of vertical transfer clocks among the plurality of vertical transfer clocks based on the plurality of selection signals, thereby determining the first stage number and the second stage. 4. The CCD image sensor according to claim 3 , wherein control is performed so as to set the number of stages.

A first charge accumulator for accumulating the vertically transferred charge by time delay integration for the first stage number; and a second charge for accumulating the vertically transferred charge by time delay integration for the second stage number. An accumulation unit, a first horizontal transfer unit that horizontally transfers charges accumulated in the first charge accumulation unit, and a second horizontal transfer unit that horizontally transfers charges accumulated in the second charge accumulation unit And further comprising
The first and second charge storage units are respectively disposed adjacent to both ends of each pixel group in the row direction,
The first and second horizontal transfer units are respectively disposed adjacent to one ends of the first and second charge storage units in the row direction, respectively. The CCD image sensor according to any one of the above.

A plurality of pixel groups in which a plurality of pixels for two-dimensionally arranging a plurality of pixels for performing vertical transfer using a plurality of vertical transfer clocks by time-delay integrating charges generated by performing photoelectric conversion;
Based on a plurality of selection signals indicating connection states between the plurality of vertical transfer clocks and a plurality of transfer electrodes in the plurality of pixel groups, a predetermined number of TDI stages is divided into a first stage number and a second stage number. A method for arranging a pixel group of a CCD image sensor having a TDI stage number setting circuit unit to be set,
The plurality of pixel groups include first, second, and third pixel group groups each having a predetermined natural number of pixel groups continuously arranged in the column direction,
The above arrangement method is
Disposing the second pixel group group so as to be separated from the first pixel group group by a predetermined distance in the same row as the first pixel group group;
Disposing the third pixel group group in a row adjacent to the first pixel group group and the second pixel group group in a column corresponding to the interval;
Disposing the TDI stage number setting circuit section adjacent to at least one end in the column direction of the first pixel group group, the second pixel group group, and the third pixel group group, respectively. A method of arranging a pixel group of a CCD image sensor characterized by the above.

The plurality of pixel groups further include fourth, fifth, and sixth pixel group groups each having a predetermined natural number of pixel groups continuously arranged in the column direction,
The above method
The fifth pixel group group is arranged adjacent to the third pixel group group and separated from the fourth pixel group group by a predetermined distance in the same row as the fourth pixel group group. Steps,
Disposing the sixth pixel group group in the same row as the third pixel group group in a column corresponding to the interval;
The first to third pixel groups corresponding to the first to third pixel group groups are shifted by a ½ pixel pitch in the column direction with respect to the pixel groups of the fourth to sixth pixel group groups. 7. The method of arranging a pixel group of a CCD image sensor according to claim 6, further comprising the step of arranging each pixel group of a third pixel group group.