OPTICAL ELEMENT MOLDING METHOD, MOLDING MOLD, AND OPTICAL ELEMENT

WIPO Patent Application WO/2015/170721

A1

Provided is an optical element molding method which can prevent the burrs on an optical element obtained from a molding material from blocking assembly with other components. An inner wall (37) is provided to a lower molding mold (30), and thus the spreading of a photocurable resin (molding material) (RA) can be easily contained within the inner wall (37). The angle (θ1) of a lower outer wall (38) is set to be greater than 180° with respect to the inner wall (37), and thus it becomes easier to block the spreading of the photocurable resin (RA) when the same overflows the inner wall (37) and the like. An end part (E1) of the lower outer wall (38) side of the inner wall (37) is located farther outward than an end part (E2) of an upper outer wall (48) side of a perimeter flat wall (46), and thus even if the photocurable resin (RA) comes into contact with the inner wall (37) and reaches the end part (E1), it becomes easier for the photocurable resin (RA) to extend inward from the inner wall (37) and reach the perimeter flat wall (46). The angle (θ2) of the upper outer wall (48) is set to be greater than 180° with respect to the perimeter flat wall (46), and thus even if the photocurable resin (RA) which has reached the perimeter flat wall (46) reaches a location farther outward than the end part (E2), the amount of the photocurable resin that spreads outward can be made less.

TOMINAMI TOHRU (JP)
FURUTA KATSUKI (JP)

PCT/JP2015/063238

November 12, 2015

May 07, 2015

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KONICA MINOLTA INC (JP)

B29C39/26; B29C39/02; G02B3/00; B29L11/00

JP2010241071A	2010-10-28
JP2011245637A	2011-12-08
JP2003311757A	2003-11-05

FUKUDA, MITSUHIRO (JP)
Mitsuhiro Fukuda (JP)

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