Patent · US Expired

Reactive ion milling/RIE assisted CMP

US7217666B2 · kind B2 · utility

1Cited by
8References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 2004
Grant dateMay 15, 2007
Priority date
Expiry dateSep 30, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49048
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method for forming a high aspect ratio magnetic structure in a magnetic write head using a combination of chemical mechanical polishing and reactive ion etching.

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