Method of planarizing substrate, magnetic head and...

Details Method of planarizing substrate, magnetic head and... Method of planarizing substrate, magnetic head and...

2006-02-07

2006-02-07

Cao, Allen (Department: 2652)

Dynamic magnetic information storage or retrieval

Head

Core

Reexamination Certificate

active

06995951

ABSTRACT:
In order to have a remarkably planarized substrate easily, a glass thin film is predeposited on a surface of a non-magnetic substrate. The non-magnetic substrate is subjected to heat treatment until the glass thin film is softened to a predetermined viscosity, and then the non-magnetic substrate is cured until the glass thin film is hardened.

REFERENCES:
patent: 4559572 (1985-12-01), Kumasaka et al.
patent: 4656547 (1987-04-01), Kumasaka et al.
patent: 5034285 (1991-07-01), Satomi et al.
patent: 5883766 (1999-03-01), Ogata et al.
patent: 6426848 (2002-07-01), Tamura et al.
patent: 2002/0039263 (2002-04-01), Inaguma

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