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:
Dec. 04, 2007
Filed:
May. 23, 2005
Die for forming an optical element, and production method as well as regeneration method of the same
Shuhei Hayakawa, Hachioji, JP;
Shunichi Hayamizu, Amagasaki, JP;
Kazuyuki Ogura, Yao, JP;
Naoyuki Fukumoto, Amagasaki, JP;
Shuhei Hayakawa, Hachioji, JP;
Shunichi Hayamizu, Amagasaki, JP;
Kazuyuki Ogura, Yao, JP;
Naoyuki Fukumoto, Amagasaki, JP;
Konica Minolta Opto, Inc., , JP;
Abstract
A die for forming an optical element, comprising: (i) a base member having a base surface which comprises a foundation area including a die surface to form an optical surface of the optical element and a peripheral area provided around the foundation area; (ii) a first layer covering both of the foundation area and the peripheral area and removable by being dissolved in a processing solution; and (iii) a second layer covering a part of the first layer corresponding in position to the foundation area so that a remaining part of the first layer corresponding in position to the peripheral area is not covered by the second layer.