Patent · US Expired

Insulating film and method for preparing the same

US6203919A · kind A · utility

2Cited by
13References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 1997
Grant dateMar 20, 2001
Priority date
Expiry dateDec 1, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31909
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electrically insulating film capable of maintaining a preferable insulating property even with a film thickness of only some .mu.and a method for preparing the same are disclosed. The insulating film comprises a first layer formed on a surface of a conductor substrate of a transition metal and comprised of molecules fixed on the surface of the conductor substrate through chemical bonds such as transition metal-sulfur bonds or chelate bonds, and a second layer formed on the first layer and comprised of a resin bonded to the molecules of the first layer through covalent bonds.

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