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Plastic lens

2022-02-18 来源:世旅网
专利内容由知识产权出版社提供

专利名称:Plastic lens

发明人:Noboru Fujino,Takeyuki Saitoh申请号:US13277627申请日:20111020公开号:US08619371B2公开日:20131231

专利附图:

摘要:A plastic lens includes a first surface and second surface that each have anoptical function; and a peripheral surface formed at a periphery of the first surface andthe second surface; and has a central portion of a thickness that is thinner than that of aperipheral portion of the plastic lens. The second surface includes an optically functional

concave aspect, a recess formed along an outer perimeter of the concave aspect, a firstprotruding portion formed at a boundary of the concave aspect and the recess, a secondprotruding portion formed at a boundary of the recess and the peripheral surface, and agate portion formed on the peripheral surface, at a position where a resin injection outletis arranged during formation of the plastic lens.

申请人:Noboru Fujino,Takeyuki Saitoh

地址:Saitama JP,Saitama JP

国籍:JP,JP

代理机构:Foley & Lardner LLP

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