发明名称 Mold forming method and apparatus, and plastic lens manufacturing method and apparatus
摘要 A method of forming a mold, concludes: winding a tape around peripheral surfaces of a first molding die and a second molding die to assemble a mold; forming on the tape an injection port for injecting a resin material for forming a plastic lens into the mold; and forming a tab by cutting out a part of the tape non-circularly.
申请公布号 US2007170557(A1) 申请公布日期 2007.07.26
申请号 US20070655922 申请日期 2007.01.22
申请人 SEIKO EPSON CORPORATION 发明人 SHIMIZU HIROSHI
分类号 H01L23/495 主分类号 H01L23/495
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