METHOD FOR MANUFACTURING OPTICAL ELEMENT, OPTICAL ELEMENT, AERIAL PICTURE DISPLAY DEVICE, AND AERIAL INPUT DEVICE
To provide a method for manufacturing an optical element which is accurate and can be made larger.SOLUTION: The method for manufacturing an optical element according to the present invention includes the steps of: forming an optical element unit made of such an optical material as glass, the optical...
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Format: | Patent |
Sprache: | eng ; jpn |
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