SHAPING METHOD

WIPO Patent Application WO/2010/064535

A1

A shaping method in which a shaped object such as a lens can be produced with higher accuracy than in conventional techniques.  A shaped object, e.g., a lens array or a die for nanoimprinting, is produced by repeatedly performing a transfer step a plurality of times, the transfer step comprising: a deformation step in which a photocurable composition comprising a urethane compound having a polymerizable functional group and a polymerization initiator is brought into contact with a transfer object (62) having a shape to be transferred that is either the same as the shape of an aspherical lens part (312) or the reverse of the shape of an aspherical lens part (312), and the photocurable composition is thereby deformed so as to conform to the shape to be transferred of the transfer object (62); a curing step in which at least the deformed portion of the deformed photocurable composition is cured by irradiation with light using a light irradiator (60); and a separation step in which the photocurable composition that has been cured is separated from the transfer member.

YAMAKI SHIGERU (JP)
ISHII NOBUAKI (JP)
MUROFUSHI KATSUMI (JP)
YOSHIDA KUNIO (JP)

PCT/JP2009/069365

June 10, 2010

November 13, 2009

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SHOWA DENKO KK (JP)
AJI CO LTD (JP)
YAMAKI SHIGERU (JP)
ISHII NOBUAKI (JP)
MUROFUSHI KATSUMI (JP)
YOSHIDA KUNIO (JP)

B29C43/02; B29C39/02; B29C59/02; C08F220/36; G02B1/04; B29C33/40; B29K75/00; B29L11/00

JP2003094445A	2003-04-03
JP2004217836A	2004-08-05
JP2004059822A	2004-02-26
JP2006117742A	2006-05-11
JPH11142601A	1999-05-28

PATENT RELATED CORPORATION IPS (JP)
Patent business corporation Eye P. S. (JP)

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