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:
Oct. 31, 1995
Filed:
Dec. 02, 1993
James H Morehouse, Jamestown, CO (US);
David M Furay, Boulder, CO (US);
John Blagaila, Boulder, CO (US);
F Eugene Dion, Longmont, CO (US);
Scott A Shelstad, Longmont, CO (US);
Jimmy L Woods, Arvada, CO (US);
Conner Peripherals, Inc., San Jose, CA (US);
Abstract
The present invention provides a disk drive apparatus for use in computer systems where size and weight are of paramount concern. The disk drive apparatus includes a 2.5 inch disk that provides between 20-40 megabytes of storage within a footprint area of approximately 2.8 inches by approximately 4.0 inches. Further, the disk drive has a height of 0.630 inch or less. The height dimension is achieved, in part, by providing a low profile spin motor to rotate the disk. The low profile spin motor uses high energy magnets made of rare earth materials. The disk drive also employs a rotary actuator having a voice coil assembly of reduced height by using the housing as a flux return path for the magnetic fields produced by the voice coil motor. Also provided is a three-tiered housing that contains the disk which, when connected to a printed circuit board, produces the low profile disk drive apparatus.