US PATENT SUBCLASS 369 / 94
.~ Having layered storage medium

Current as of: June, 1999
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369 /   HD   DYNAMIC INFORMATION STORAGE OR RETRIEVAL

93  DF  SYSTEMS HAVING PLURAL PHYSICALLY DISTINCT INDEPENDENT TRACKS ON A SINGLE STORAGE MEDIUM SURFACE {4}
94.~ Having layered storage medium

DEFINITION

Classification: 369/94

Having layered storage medium:

(under subclass 93) Subject matter wherein the storage medium element has plural coextensive surfaces, a plurality of which have storage tracks thereon, and which tracks are each accessible for storage or retrieval from the same side of the storage element.