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.

Date of Patent:
Jan. 11, 2005

Filed:

Mar. 22, 2002
Applicants:

Takao Nishikawa, Shiojiri, JP;

Atsushi Takakuwa, Shiojiri, JP;

Mutsumi Tamura, Suwa, JP;

Inventors:

Takao Nishikawa, Shiojiri, JP;

Atsushi Takakuwa, Shiojiri, JP;

Mutsumi Tamura, Suwa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 2710 ; B29D 1100 ;
U.S. Cl.
CPC ...
Abstract

A manufacturing method of a microlens array includes the step of forming second light transmitting layerson a first light transmitting layerThe first light transmitting layerhas a plurality of recessed partsand partitionsfor delimiting the recessed partswherein at least a portion of the inner surface of each recessed partis a lens surfaceThe second light transmitting layersare formed in the respective recessed partsin such a manner that the second light transmitting layersavoid the partitionsof the first light transmitting layerThe second light transmitting layersare formed in such a manner that the surfaces of the second light transmitting layersform lens surfacesfor the respective recessed parts


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