The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2000
Filed:
Oct. 19, 1995
Yoji Maruyama, Iruma, JP;
Makoto Aihara, Kodaira, JP;
Teruyoshi Higashiya, Odawara, JP;
Mikio Tokuyama, Tsukuba, JP;
Sadanori Nagaike, Odawara, JP;
Tetsuji Higashijima, Odawara, JP;
Kazuo Nate, Machida, JP;
Hideki Sonobe, Odawara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Three pads are disposed on the surface of a magnetic head facing to a storage medium and are brought into contact with the surface of the storage medium through a lubricant layer. The total of areas of the three pads is equal to or larger than 0.0001 mm.sup.2 and equal to or smaller than 0.02 mm.sup.2 and the height of the pads is equal to or higher than 5 .mu.m and equal to or lower than 100 .mu.m. Two pads of the three pads include tapers formed in the front thereof and are disposed in a forward position in a relative movement direction to the storage medium and one remaining pad is disposed in a backward position. The total of areas of the two pads in the forward position is set to be narrower than an area of the pad in the backward position. A writing and reading function unit is provided in the pad in the backward position.