Production process of light amount adjustment member, light...

Details Production process of light amount adjustment member, light... Production process of light amount adjustment member, light...

2003-02-19

2010-10-19

Meeks, Timothy H (Department: 1715)

Coating processes

Optical element produced

Transparent base

Reexamination Certificate

active

07815966

ABSTRACT:
A production process of a light amount adjustment member, by which a light amount adjustment member that can sufficiently satisfy optical properties can be economically produced at low production cost and high yield by a simple operation is provided. In addition, a wide variety of light amount adjustment devices and photographing apparatus equipped with a light amount adjustment member are cheaply provided while achieving satisfactory optical properties. The production process of the light amount adjustment member comprises the step of applying a coloring liquid containing a coloring material to a transparent base material using a liquid jet recording process to form a light amount adjustment region having a particular optical density.

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