Optical: systems and elements – Lens – Single component with multiple elements
Reexamination Certificate
2008-10-31
2010-06-22
Hasan, Mohammed (Department: 2873)
Optical: systems and elements
Lens
Single component with multiple elements
C351S205000
Reexamination Certificate
active
07742244
ABSTRACT:
A cylindrical model eye comprises a plano-cylindrical portion having a plano surface and a first cylindrical surface opposite to the plano surface, a sphero-cylindrical portion having a convex spherical surface and a second cylindrical surface opposite to the convex spherical surface. The second cylindrical surface mates with the first cylindrical surface, and the first cylindrical surface has substantially the same radius curvature radius as the second cylindrical surface.
REFERENCES:
patent: 7036933 (2006-05-01), Yamaguchi et al.
patent: 7413306 (2008-08-01), Campbell
patent: 2010/0002311 (2010-01-01), Reichert
Hong Baoyu
Li Fei
Liu Wenli
Ma Zhenya
Yang Lei
Finnegan Henderson Farabow Garrett & Dunner LLP
Hasan Mohammed
National Institute of Metrology
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