Patent · US Expired

Process of making high-temperature magnetic tape

US4189514A · kind A · utility

15Cited by
11References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 17, 1978
Grant dateFeb 19, 1980
Priority date
Expiry dateMar 17, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31663
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An improved, conventionally-spoolable, magnetic tape which can be unspooled and read after exposure to very high temperatures. The improvement is largely in a thermally resistant, non-adhering, anti-static backing system, used in conjunction with magnetic face coatings.

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