Holographic disk mounting system and method

Details Holographic disk mounting system and method Holographic disk mounting system and method

1993-08-05

1995-01-03

Lerner, Martin

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 18, 359209, G02B 532, G02B 2610

Patent

active

053791347

ABSTRACT:
A holographic disk mounting system and method is disclosed utilizing a compressible O-ring which eliminates the clearance between the spin motor shaft and the holographic disk. The holographic disk has an axial bore with a diameter slightly greater than the diameter of the spin motor shaft. A compressible O-ring is placed around the spin motor shaft and then the holographic disk is mounted thereon with the O-ring and O-ring surrounded portion of the spin motor shaft positioned within the axial bore of the holographic disk. The O-ring is axially compressed to radially expand the O-ring thereby eliminating the clearance between the spin motor shaft and the bore of the holographic disk. Thereafter, the holographic disk is secured to the motor shaft with the O-ring remaining in a compressed state.

REFERENCES:
patent: 2247959 (1941-07-01), McComb
patent: 3503430 (1970-03-01), Tsurumoto
patent: 3906264 (1975-09-01), Kuwako et al.
patent: 4067639 (1978-01-01), Kramer
patent: 4185214 (1980-01-01), Gerber et al.
patent: 4556278 (1985-12-01), Schell

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