Method for utilizing a bulk erase tool to erase...

Details Method for utilizing a bulk erase tool to erase... Method for utilizing a bulk erase tool to erase...

2006-04-21

2009-06-16

Nguyen, Danny (Department: 2836)

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

C361S143000

Reexamination Certificate

active

07548406

ABSTRACT:
A method for utilizing a bulk erase tool to erase perpendicularly recorded media is provided. A bulk erase tool having a first polarity erase magnet and a second polarity erase magnet is received. An offset is provided between the first polarity erase magnet and the second polarity erase magnet, wherein the offset provides a non-parallel non-vertical applied magnetic field suitable for erasing perpendicularly recorded media.

REFERENCES:
patent: 5416664 (1995-05-01), Becker et al.
patent: 6731491 (2004-05-01), Schultz
patent: 2006/0018075 (2006-01-01), Schultz

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