Exposure method

Details Exposure method Exposure method

2006-11-07

2006-11-07

Nguyen, Henry Hung (Department: 2851)

Photocopying

Projection printing and copying cameras

Methods

C355S053000

Reexamination Certificate

active

07133122

ABSTRACT:
An exposure method that can conduct digital exposure with high precision and with a high light-use efficiency using evanescent light. Light that is modulated by a DMD and condensed by a microlens array is incident at corresponding optical fiber cores arranged in a matrix in an evanescent array head, and is guided through the insides of the optical fibers. Because the light condensed by the microlens array is incident at the optical fiber cores corresponding to the microlenses, the light can be efficiently incident. Evanescent light leaks out from micro-openings formed in emission-side end portions of the optical fibers, and a photosensitive material is exposed by this evanescent light.

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patent: 2000-228554 (2000-08-01), None
patent: 2002-123965 (2002-04-01), None

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