Patent · US Expired

Ceramic wafers and thin film magnetic heads

US5670253A · kind A · utility

13Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1995
Grant dateSep 23, 1997
Priority date
Expiry dateDec 20, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/265
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A composite ceramic wafer including a beta silicon carbide layer. The composite ceramic wafer is useful for making thin film magnetic heads.

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