Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1998-04-03
2000-04-04
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
G11B 554
Patent
active
060468858
ABSTRACT:
A base plate having a hub, a flange having an outer flange region at an outer periphery of the flange and a clamping region at an inner periphery of the flange that is contiguous with the hub. The flange has a modified region that at least partially surrounds and is contiguous with the clamping region, the modified region having a stress reducing configuration such that the clamping region is thicker than the outer flange region. The modified region may be a circular or linear step, and can be on either side of the flange. The step fits the contour of a load beam and the flange is welded to the load beam. The load beam thickness is the same as or less than the thickness of the step.
REFERENCES:
patent: 4991045 (1991-02-01), Oberg
patent: 5689389 (1997-11-01), Braunheim
Aimonetti Kim
Hanrahan Kevin
Heist William P.
Schmidt Ryan
Tucker Larry
Intri-Plex Technologies, Inc.
Lamb Owen L.
Tupper Robert S.
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