GLASS ASPHERIC LENS AND METHOD FOR MANUFACTURING THE SAME
PROBLEM TO BE SOLVED: To provide a glass aspheric lens with a large diameter capable of easily manufacturing it. SOLUTION: The glass aspheric lens includes a one-surface aspherical surface having about ≥30 mm diameter and a one-surface spherical surface, wherein only the aspherical surface is formed...
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| creator | YAMADA KAZUHIRO NAOI KAZUHIKO KATAYANAGI SHUICHI SHIMIZU MASAKI |
| description | PROBLEM TO BE SOLVED: To provide a glass aspheric lens with a large diameter capable of easily manufacturing it. SOLUTION: The glass aspheric lens includes a one-surface aspherical surface having about ≥30 mm diameter and a one-surface spherical surface, wherein only the aspherical surface is formed by glass molding, the spherical surface is correctively polished within the design standard by spherical polishing after forming the glass molding, and the aspherical surface is not polished. COPYRIGHT: (C)2011,JPO&INPIT |
| format | Patent |
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| language | eng |
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| subjects | CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS |
| title | GLASS ASPHERIC LENS AND METHOD FOR MANUFACTURING THE SAME |
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