Transfer optical surface machining method, optical device producing mold and optical device
AssigneeKonica Minolta Opto, Inc.
InventorsTomoyuki Morimoto, Shigeru Hosoe, Hiroyuki Matsuda, Toshiyuki Imai
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Abstract
A machining method of machining a transfer optical surface on a optical element producing die having the transfer optical surface made of a material having Vickers hardness of Hv1500 or more, comprising: machining the transfer optical surface on the optical element producing die by cutting with a cutting tool, wherein a rake face of a tip of a blade of the cutting tool is set with an angle of minus values at an incising point on a surface to be machined.
Claims37
A machining method of machining a transfer optical surface on a optical element producing die having the transfer optical surface made of a material having Vickers hardness of Hv1500 or more, comprising:
- machining the transfer optical surface on the optical element producing die by cutting with a cutting tool,
- wherein a rake face of a tip of a blade of the cutting tool is set with an angle of minus values at an incising point on a surface to be machined.
Dependencies are inferred from the claim text.