Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 7361419 | Substrate for a perpendicular magnetic recording medium, perpendicular magnetic recording medium, and manufacturing methods thereof A substrate for a perpendicular magnetic recording medium has a soft magnetic underlayer that functions as a soft magnetic backing layer of a perpendicular magnetic recording medium. The substrate for a perpendicular magnetic recording medium has a nonmagnetic base ... | 04/22/2008 |
| 7267841 | Method for manufacturing single-sided sputtered magnetic recording disks An information-storage media is provided that includes: (a) a substrate disk 312 having first and second opposing surfaces; (b) a first interface layer 304 on the first surface, the first interface la... | 09/11/2007 |
| 7255942 | Using plated surface for recording media without polishing Ultra smooth as-deposited composite nickel coatings for use in an information storage system are provided. The composite nickel coatings include an electrolessly deposited nickel layer formed on a sputter deposited nickel layer. The composite nickel coatings have an... | 08/14/2007 |
| 7138195 | Perpendicular magnetic recording media and magnetic storage A double layer perpendicular magnetic recording medium having a high medium S/N ratio at a recording density of 50 Gb/in2 or higher and a magnetic storage apparatus with a lower error rate and excellent reliability are provided. In a perpendicular magneti... | 11/21/2006 |
| 7083871 | Single-sided sputtered magnetic recording disks An information-storage media is provided that includes: (a) a substrate disk 312 having first and second opposing surfaces; (b) a first selected layer 304 on the first surface, the first selected sele... | 08/01/2006 |
| 6682833 | Magnetic recording medium and production process thereof A magnetic recording medium comprising a non-magnetic base and a non-magnetic underlayer and a magnetic layer formed in that order on the base, the uniderlayer comprises a non-magnetic polycrystalline material and the magnetic layer comprises magnetic CoC... | 01/27/2004 |
| 6680133 | Magnetic recording medium and sputtering target A magnetic recording medium comprising a non-metallic substrate, a non-magnetic undercoat film, a magnetic film, and a protective film are formed, wherein an orientation-determining film, which determines crystalline orientation of a film provided directl... | 01/20/2004 |
| 6670055 | Magnetic recording medium and manufacturing method therefor A magnetic recording medium that is high coersive force, hard to receive influence of thermal fluctuation, and brings about a considerable improvement of S/N ratio, and in which at least an underlayer and a magnetic layer are sequentially laminated on a s... | 12/30/2003 |
| 6620531 | Magnetic recording media with oxidized seedlayer for reduced grain size and reduced grain size distribution High areal recording density magnetic recording media with improved signal-to-noise ratio and high thermal stability are formed using oxidized seedlayers to reduce the magnetic grain size and grain size distribution. Embodiments include sputter depositing... | 09/16/2003 |
