Hitachi, Ltd.

Jun Naruse

Naruse, Jun

Kyosuke Ono

Hirotaka Shinada

Irizo Naniwa

Yuko Tsuchiya

Ryuji Tsuchiyama

Hiroshi Ikekame

Masahumi Mochizuki

The invention provides a magnetic head slider and a magnetic disc drive which can position at a high precision and in a simple manner. A magnetic head slider () includes a recording and reproducing element () writing and reading data, a heat generating element () arranged at least in one side of directions (that is, a width direction of the magnetic head slider ()) corresponding to a width direction of a recording track with respect to the recording and reproducing element (), and generating heat on the basis of a current application, and a member () interposed at least between the recording and reproducing element () and the heat generating element () and expanding in correspondence to the heat generation of the heat generating element ().

Magnetic head slider and magnetic disc drive

In a discrete track medium and a patterned medium, a meniscus adsorptive force is reduced and writing into adjacent tracks is prevented. A magnetic layer in lands or patterns in the discrete track medium or the patterned medium is formed into a cylindrical shelly or spherical shelly shape with a uniform thickness. Moreover, a height of cylindrical shelly land or a height of spherical shelly land is changed between 5 nm and 30 nm according to radial positions. Thus, an effect is achieved for providing a magnetic recording medium and a magnetic disk apparatus which are excellent in realizing higher recording density and higher reliability.

Magnetic recording medium having lands with curved upper surfaces and magnetic recording and reproducing apparatus

There is provided a head suspension mechanism capable of more effectively restraining sway mode and second-order torsion mode vibrations of the head suspension mechanism caused by an air flow. A flange portion having a free end portionon the base part side is formed at both edges close to the tip end of a suspension main frame, and at the same time, an elastic materialis provided in the free end portion. Also, a sway mode dynamic vibration absorber is formed by the length of the flange portion and the damping effect of the elastic material

Vibration reducing head suspension mechanism for a magnetic disc unit

Growing community of inventors

Hachioji, Japan

Kyosuke Ono