Patent · US Expired

Superconducting device for reading information from a magnetic recording medium

US4996621A · kind A · utility

11Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 28, 1988
Grant dateFeb 26, 1991
Priority date
Expiry dateOct 28, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S505/845
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Device is provided for reading information from a magnetic recording medium, comprising a SQUID (15), a magnetic yoke formed from two flux guides (3 and 5) and a face (13) for magnetic flux coupling of the SQUID with the magnetic recording medium. The SQUID is provided with connection means (33) for a detection circuit (35).

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