Amorphous alloy member and its application for authenticity determining device and method, and process for manufacturing amorphous alloy member
US8325987B2 · kind B2 · utility
2Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2007 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Feb 11, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12778
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An amorphous alloy member including an irregular region having a center line average roughness Ra of about 0.1 μm to about 1000 μm on a surface, at least the irregular region including an amorphous alloy having an amorphous phase at a volume ratio of about 50% to about 100%. A process for manufacturing the amorphous alloy member, and an authenticity determination device and an authenticity determination method using the amorphous alloy member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.