Optical scanning apparatus and its optical element, method...

Details Optical scanning apparatus and its optical element, method... Optical scanning apparatus and its optical element, method...

2009-12-24

2011-12-06

Cherry, Euncha (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

Reexamination Certificate

active

08072668

ABSTRACT:
A plastic lens molding tool, including: a first mirror surface block; a second mirror surface block disposed opposite the first block, wherein the first mirror surface block includes a transfer surface with a curvature-radius center position that is transferable to an optical element; a first nested block arranged in contact with the first mirror surface block to form a reference rib groove on a border surface between the first mirror surface block and the first nested block; and a second nested block arranged in contact with the first mirror surface block at a side opposite the first nested block.

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