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US 2009/0154028 A1Published application
Grounding structure of TMR and GMR heads with a flying on-demand heater
AssigneeSamsung Electronics Co., Ltd.
InventorEunkyu Jang
Life of this patent
Estimating the term…
Abstract
A head for a hard disk drive. The head includes a substrate, a write element, a read element and a heater element. The head also includes a buffer layer between the read element and the substrate, and a first resistor connected to the heater element and the buffer layer. The buffer layer and resistor create an impedance that suppresses noise introduced to the head from the disk of the drive.
Claims15
A head for a hard disk drive, comprising:
- a substrate;
- a write element;
- a read element;
- a heater element;
- a buffer layer between said read element and said substrate;
- and,
- a first resistor connected to said heater element and said buffer layer.
4 more elements
A hard disk drive, comprising:
- a disk;
- a spindle motor coupled to said disk;
- an actuator arm assembly that includes a suspension arm;
- a head that is coupled to said disk and said suspension arm, said head including;
- a substrate;
- a write element;
- a read element;
- a heater element;
- a buffer layer between said read element and said substrate;
- and,
- a first resistor connected to said heater element and said buffer layer.
8 more elements
A method for damping noise that is transmitted from a disk into a head of a hard disk drive, comprising:
- providing a head that is coupled to a disk and includes;
- a substrate;
- a write element;
- a read element;
- a heater element;
- a buffer layer between said read element and said substrate;
- a first resistor connected to said heater element and said buffer layer;
- transmitting noise from the disk to the head;
- and,
- damping the noise within the head.
7 more elements
Dependencies are inferred from the claim text.