Optical member
OwnerTominari Araki, Masanori Nakano +2inventors
InventorsTominari Araki, Masanori Nakano, Kihachi Sakaida, Kouichi Kanno
Life of this patent
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Abstract
In an optical member having a easy-releasing protective member having ink information for identification on at least one side of front and back side on optical material, wherein the optical transmittance of a portion without an ink information in the protective member is no less than 80%, and an optical transmittance of a portion with the ink information is no less than 90% of the optical transmittance of the portion without the ink information, may be easily identified various kinds of members, to give an identification information on a production line, and to make possible an appearance screening inspection with high accuracy with protective members attached on.
Claims3
An optical member comprising a easy-releasing protective member having a ink information for identification on at least one side of front side and back side on the optical material, wherein an optical transmittance of a portion without the ink information in the protective member is no less than 80%, and an optical transmittance of a portion with the ink information is no less than 90% of the optical transmittance of said portion without the ink information.
Dependencies are inferred from the claim text.