Patent · US Expired

Electrical lapping guide embedded in a shield of a magnetic head

US7206172B2 · kind B2 · utility

31Cited by
10References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 2004
Grant dateApr 17, 2007
Priority date
Expiry dateFeb 15, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49036
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An electrical lapping guide (ELG) incorporated into a shield of a magnetic head for measuring lapping process during construction of the magnetic head.

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