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US 6,724,576 B2Granted
Magnetic disk apparatus having ramp road structure fixed to stator and method for manufacturing the same
AssigneeTDK Corporation
InventorShunji Noda
Life of this patent
Estimating the term…
Abstract
In a magnetic disk apparatus including a base, a magnetic head, a magnetic disk, and a spindle motor having a stator fixed to the base and a rotor for mounting the magnetic disk, a ramp road structure for parking the magnetic head is fixed to the stator.
Claims13
A magnetic disk apparatus comprising:
- a base;
- a magnetic head;
- a magnetic disk;
- a spindle motor having a stator fixed to said base and a rotor for mounting said magnetic disk;
- a ramp road structure, provided at an outer periphery of said magnetic disk;
- and
- a frame coupled between said stator and said ramp road structure, said frame being provided between said magnetic disk and said base.
4 more elements
A magnetic disk apparatus comprising:
- a base;
- a magnetic head;
- a magnetic disk;
- a spindle motor having a stator fixed to said base and a rotor for mounting said magnetic disk, said stator comprising an extension;
- and
- a ramp road structure provided at an outer periphery of said magnetic disk, said ramp road structure being directly fixed to said extension of said stator.
3 more elements
A magnetic disk apparatus comprising:
- a base;
- a magnetic head;
- a magnetic disk;
- a spindle motor having a stator fixed to said base and a rotor for mounting said magnetic disk;
- and
- a ramp road structure, fixed to said stator, for parking said magnetic head, wherein said ramp road structure comprises:
- a parking area section for parking said magnetic head;
- a first slope area section adjacent to said parking area section;
- a slide area section adjacent to said first slope area section;
- a second slope area section adjacent to said slide area section;
- and
- a shade section, opposing said parking area section, for preventing said magnetic head from being jumped from said parking area section.
9 more elements
A magnetic disk apparatus comprising:
- a base;
- a magnetic head;
- a magnetic disk;
- a spindle motor having a stator fixed to said base and a rotor for mounting said magnetic disk, said stator comprising an extension;
- a plate-type frame fixed to said extension of said stator, said plate-type frame being provided between said magnetic disk and said base;
- and
- a ramp road structure, fixed to said plate-type frame, for parking said magnetic head, said ramp road structure being provided at an outer periphery of said magnetic disk.
4 more elements
A magnetic disk apparatus comprising:
- a base;
- a magnetic head;
- a magnetic disk;
- a spindle motor having a stator fixed to said base and a rotor for mounting said magnetic disk, said stator comprising an extension;
- and
- a ramp road structure, fixed directly to said extension of said stator, for parking said magnetic head, said ramp road structure being provided at an outer periphery of said magnetic disk.
3 more elements
Dependencies are inferred from the claim text.