Magnetic characteristic inspecting apparatus and inspecting...

Details Magnetic characteristic inspecting apparatus and inspecting... Magnetic characteristic inspecting apparatus and inspecting...

2007-10-02

2007-10-02

LeDynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Magnetic information storage element testing

C324S210000

Reexamination Certificate

active

11272861

ABSTRACT:
A magnetic characteristic inspecting apparatus including a plurality of disk rotating devices or a plurality of magnetic heads include a unit for switching output signals of write signal production units or allocating the output signals to the magnetic heads, a unit for switching signals read from the magnetic heads or allocating the read signals to measurement resources, and a unit for selecting any of the disk rotating devices synchronously with which the measurement resources will perform measurement. The write signal production units and measurement resources are shared among inspections of the plurality of disk rotating devices or the plurality of heads.

REFERENCES:
patent: 5812560 (1998-09-01), Yuki
patent: 6407544 (2002-06-01), Watanabe

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