Optical component with holder and manufacturing method thereof
AssigneeNippon Sheet Glass Co., Ltd.
InventorHiroyuki Tanaka
Life of this patent
Estimating the term…
Abstract
As means of the present invention, first, on the optical element, a plate-like peripheral edge part which is protruding, while surrounding an effective part having an optical function thereof, outside from the effective part is provided. Furthermore, at a part of the through hole of the holder, a straight cylindrical part is provided. Then, an outer circumference of the peripheral edge part is tightly fitted to an inner circumferential surface of the cylindrical part of the through hole throughout the entire circumference.
Claims13
An optical component comprising:
- an optical element provided by molding a glass, including an effective part providing an optical function and a peripheral edge part protruding to surround the effective part;
- a holder having a through hole to which the optical element is fixed,
- wherein an inner surface of the through hole forms a straight cylindrical shape, and an outer circumference of the peripheral edge part is tightly fitted to the inner surface around an entire circumference of the inner surface.
A method for manufacturing an optical component with a holder comprising the steps of:
- inserting a pair of molds into the holder in which a through hole having a straight cylindrical part is formed at least partly so as to be opposed to each other from opposite sides of the through hole, and
- press-molding a glass raw material in a formed space to thereby form an optical element including an effective part having an optical function and a peripheral edge part protruding to surround the effective part,
- wherein an outer circumference of the peripheral edge part is tightly fitted to an inner surface of the cylindrical part of the through hole of the holder through the entire of a circumference of the inner surface.
Dependencies are inferred from the claim text.