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Patent Searching and Data


Title:
IMAGE READING DEVICE AND SEMICONDUCTOR DEVICE
Document Type and Number:
Japanese Patent JP2017143483
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an image reading device capable of enhancing performance for reading an image by stably supplying a power to various circuits in an image reading chip.SOLUTION: Provided is an image reading device that includes an image reading chip for reading an image. The image reading chip comprises: a plurality of pixel parts each of which includes a light receiving element for receiving light from the image and performing photoelectric conversion; an analog circuit; a logic circuit; and a power supply pad supplied with a power supply voltage. The image reading chip has a shape that includes a first side and a second side shorter than the first side. The plurality of pixel parts are arranged in a row in a direction along the first side. A distance between the analog circuit and a midpoint of the first side is shorter than a distance between the logic circuit and the midpoint of the first side. A distance between the analog circuit and the power supply pad is shorter than a distance between the logic circuit and the power supply pad.SELECTED DRAWING: Figure 9

Inventors:
SUZUKI TAKAFUMI
Application Number:
JP2016025091A
Publication Date:
August 17, 2017
Filing Date:
February 12, 2016
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
H04N1/028; H01L27/14; H01L27/146; H04N5/369
Attorney, Agent or Firm:
Yukio Fuse
Mitsue Obuchi