Balance ring

Details Balance ring Balance ring

2006-08-29

2006-08-29

Klimowicz, William J (Department: 2627)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

C360S098080

Reexamination Certificate

active

07099112

ABSTRACT:
An apparatus and method for balancing a disk are described. A balance ring may be a circular band for placement along the inner diameter of a disk. On the outer diameter of the balance ring, one or more clamp structures may extend outward to attach the balance ring to the inner diameter of a disk. The inner diameter of the balance ring may have a number of protuberances that, when trimmed, establish a new rotational center of the disk/balance ring coincident with the mass center. The disk and balancing ring may be mounted on a disk balancing system to determine a mass center and trim the protuberances, accordingly, to establish adjust the rotational center of the disk/balance ring to be coincident with the mass center. The protuberances may be trimmed using, for example, laser energy.

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“Flexure Rings for Centering Lenses”, NASA Tech Brief, vol. 26, No. 11 from JPL New Technology Report NO-19518, Nov. 1, 2002, pp. i, 1-6.

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