US Patent No. 9,302,928

AMORPHOUS ALLOY, MOLDING DIE, AND METHOD FOR MOLDING OPTICAL ELEMENT


Patent No. 9,302,928
Issue Date April 05, 2016
Title Amorphous Alloy, Molding Die, And Method For Molding Optical Element
Inventorship Hirotaka Fukushima, Utsunomiya (JP)
Assignee Canon Kabushiki Kaisha, Tokyo (JP)

Claim of US Patent No. 9,302,928

1. An amorphous alloy containing:
68 atomic % or more and 86 atomic % or less of Re;
8 atomic % or more and 12 atomic % or less of Hf; and
0.1 atomic % or more and 5 atomic % or less of O.