Patent · US Expired

High-temperature, high-emissivity, optically black boron surface

US5035949A · kind A · utility

8Cited by
2References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 1988
Grant dateJul 30, 1991
Priority date
Expiry dateDec 5, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31678
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

An article of manufacture comprises a substrate and an optically black surface on the substrate and having an absorptivity of more than about 0.89 and an emissivity more than about 0.86. The surface comprises boron particles plasma spray applied to the substrate using a powder selected from the group consisting of crystalline boron having a particle size finer than about 200 mesh and amorphous boron.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.