Light-weight mirror blank assembly
US7429114B2 · kind B2 · utility
4Cited by
27References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2004 |
| Grant date | Sep 30, 2008 |
| Priority date | — |
| Expiry date | Jul 13, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24727
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light-weight mirror blank assembly, having at least one sheet of corrugated material; and at least one face sheet in intimate contact with a surface of the sheet of corrugated material forming the light-weight mirror blank assembly. The light-weight mirror blank assembly has an areal density less than an equivalent blank assembly having a solid support structure for supporting a mirrored surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.