Optical: systems and elements – Lens
Patent
1998-11-12
2000-04-11
Epps, Georgia
Optical: systems and elements
Lens
156626, G02B 300
Patent
active
060494301
ABSTRACT:
A composite micro-lens for use in an optical or magneto-optical information storage system, made up of one or more lens elements which, when coupled in assembly, provide a desired numerical aperture. The design may provide, if necessary, a photo resist lens, a shaped ball lens, or one or more contoured surfaces within the composite construction to correct for aberrations. The composite lens designed in this manner allowing for the use of wafer-level assembly processes to provide high volume production capabilities. It is further intended that this micro-lens design support integration in an optical or magneto-optical head design.
REFERENCES:
patent: 5286338 (1994-02-01), Feldblum et al.
patent: 5288998 (1994-02-01), Betzig et al.
Heanue John F.
Wardas Mark A.
Epps Georgia
Lee Y. Timothy
Seagate Technology
Wardas Mark A.
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