Patent · US Expired

Laminated leg for thin film magnetic transducer

US5379172A · kind A · utility

31Cited by
22References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 19, 1990
Grant dateJan 3, 1995
Priority date
Expiry dateSep 19, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/265
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A laminated thin film magnetic head having nickel phosphorus layers sandwiched between layers of nickel iron. The nickel iron layers preferably have zero magnetostriction. The nickel phosphorus layer may comprise NiPX where X is one or more of the following: tungsten, boron, copper or molybdenum. Multiple laminations may be employed.

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