Image sensor

  • US 10,021,265 B2
  • Filed: 03/03/2014
  • Issued: 07/10/2018
  • Est. Priority Date: 03/19/2013
  • Status: Active Grant
First Claim
Patent Images

1. An image sensor, comprising:

  • a focusing optical system configured to focus light irradiated toward an irradiated object and reflected by the irradiated object;

    a light receiver configured to receive light focused by the focusing optical system;

    a sensor board configured to mount thereon the light receiver;

    a board retaining plate configured to retain the sensor board, the board retaining plate includes a stepped portion extending in a main scanning direction, the stepped portion including a bottom surface and a side surface, and a reference surface being formed in the side surface of the stepped portion, the reference surface is in contact with a sub-scanning-direction end side of the sensor board and the bottom surface of the stepped portion is in contact with a bottom surface of the sensor board; and

    a casing configured to fix or retain the board retaining plate by fastening of a surface of the stepped portion.

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