Stock material or miscellaneous articles – Composite – Of polyamidoester
Reexamination Certificate
2006-07-04
2006-07-04
Bissett, Melanie (Department: 1711)
Stock material or miscellaneous articles
Composite
Of polyamidoester
C428S442000
Reexamination Certificate
active
07070862
ABSTRACT:
This invention provides a resin-cemented optical element comprising a base member and a resin layer formed on the surface of the base member and comprising a cured product of a photosensitive resin composition, and the resin layer has (1) a refractive index of 1.55 or more, (2) a visible-light inner transmittance of 95% or more in a 100 μm thick area, (3) a rate of hygroscopic dimensional change of 0.4% or less, (4) a durometer hardness of HDD 70 or more, (5) a gel percentage of 95% or more, (6) a glass transition temperature of 95° C. or above or (7) a rate of shrinkage on curing of 7% or less; and a production process for the element and an optical article having the element.
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English Language Translation of International Preliminary Examination Report for International Patent Application No. PCT/JP00/04922 (4 Pages) issued May 28, 2002.
Miyakawa Akiko
Nakamura Toru
Suzuki Masahito
Bissett Melanie
Nikon Corporation
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