Patent · US Expired

Technique for epitaxial growth of oriented thin films of polydiacetylenes

US5207862A · kind A · utility

14Cited by
13References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 1989
Grant dateMay 4, 1993
Priority date
Expiry dateSep 8, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S117/919
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A technique for the preparation of an oriented thin film polydiacetylene suitable for use in channel waveguides involves depositing an alignment polymer upon a substrate, rubbing the surface thereof to effect orientation, depositing the polydiacetylene thereon and heating to a temperature just below the melting point thereof.

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