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Contact type image sensor and its sensitive substrate

An image sensor and contact technology, applied in image communication, electrical components, etc., can solve the problem of difficulty in controlling the cost of image sensor photosensitive substrates, and achieve the effect of improving wafer utilization and reducing costs.

Inactive Publication Date: 2006-12-27
ATEN INT CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, it is difficult to control the cost of the image sensor and its photosensitive substrate manufactured by cutting chips with the same length from a wafer.

Method used

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  • Contact type image sensor and its sensitive substrate
  • Contact type image sensor and its sensitive substrate
  • Contact type image sensor and its sensitive substrate

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Embodiment Construction

[0020] The contact image sensor of the present invention is an image capture device, which is mainly used in office machines such as scanners or facsimile machines combined with reflective document scanning functions and negative film scanning functions. see image 3 As shown, the contact image sensor 3 of the present invention mainly includes: a body 31 with a certain longitudinal dimension, a lens 32 and a light source 33 installed in the upper storage space of the body 31, a cover 34 that can seal the upper opening of the body 31, and The photosensitive substrate 35 installed on the lower part of the main body 31 . Wherein, the lens 32 may adopt a cylindrical lens array, or may adopt an optical lens with a high depth of field. The light source 33 includes a light emitting diode 332 and a light guide plate 334 extending longitudinally. During scanning, the light emitted by the light source 33 is irradiated on the document to be scanned (reflective document or film) and is ...

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Abstract

The provided contact imaging sensor for scanner or fax machine comprises: a sensitizing plate with at least one long sensitizing chip for negative film and some short chips both for reflective file, a light source to irradiate target and reflect or transmit to lens and focus on the plate, and a lens. This invention reduces cost.

Description

【Technical field】 [0001] The invention relates to an image capture device used in business machines such as scanners or fax machines, especially a contact image sensor and its photosensitive substrate. 【Background technique】 [0002] A photodiode is a photosensitive element. When its surface is irradiated by light, it will generate a corresponding current output according to the intensity of the light received, and the current will be converted into an analog voltage signal through an appropriate conversion circuit. In practical applications, a photosensitive chip can be formed by integrating a plurality of photodiodes and their corresponding conversion circuits into a semiconductor chip through a semiconductor manufacturing process. A photosensitive array can be formed by arranging and combining multiple photosensitive chips in a certain order. The photosensitive array can be further combined with the peripheral circuit design to form a photosensitive substrate on a circui...

Claims

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Application Information

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IPC IPC(8): H04N1/031
Inventor 罗文安
Owner ATEN INT CO