Low loss radar window for reentry vehicle
US4786548A · kind A · utility
3Cited by
6References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 10, 1987 |
| Grant date | Nov 22, 1988 |
| Priority date | — |
| Expiry date | Sep 10, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3976
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A radar window for a reentry vehicle where the window is made of a composite material of boron nitride, silica, and boron nitride yarn. Silica in the range of 2 to 18 percent is the preferred range in the composite material and the boron nitride matrix ranges from 5 to 15 percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.