Patent · US Expired

Wave absorber and method for making same

US4752525A · kind A · utility

9Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 20, 1986
Grant dateJun 21, 1988
Priority date
Expiry dateNov 20, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2998
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A wave absorber comprising semiconductive ceramic short fibers having defined diameter, aspect ratio and volume resistivity dispersed in polymer materials. The dispersion is usually formed on a sheet or film base as a layer. A method for making the wave absorber is also described.

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