The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 14, 2014
Filed:
Sep. 16, 2010
Daisuke Ito, Miyagi, JP;
Akihiro Horii, Miyagi, JP;
Hiroshi Mizuno, Miyagi, JP;
Noriyuki Hirai, Miyagi, JP;
Shunichi Kajiya, Miyagi, JP;
Yuu Miura, Miyagi, JP;
Mitsuhiro Chida, Miyagi, JP;
Masashi Ogawa, Miyagi, JP;
Daisuke Ito, Miyagi, JP;
Akihiro Horii, Miyagi, JP;
Hiroshi Mizuno, Miyagi, JP;
Noriyuki Hirai, Miyagi, JP;
Shunichi Kajiya, Miyagi, JP;
Yuu Miura, Miyagi, JP;
Mitsuhiro Chida, Miyagi, JP;
Masashi Ogawa, Miyagi, JP;
Dexerials Corporation, Tokyo, JP;
Abstract
An optical sheet manufacturing apparatus includes a first master including a first three-dimensional structure, a second master including a second three-dimensional structure, a first processing unit to heat a first surface of a resin sheet to a first temperature and transfer the first three-dimensional structure onto the first surface heated, a second processing unit to cool the first surface to a second temperature lower than the first temperature, heat a second surface of the resin sheet to a third temperature higher than the second temperature, and transfer the second three-dimensional structure onto the second surface heated, a third processing unit to cool the second surface to a fourth temperature lower than the third temperature, a first conveyance mechanism to perform conveyance from the first processing unit to the second processing unit, and a second conveyance mechanism to perform conveyance from the second processing unit to the third processing unit.