Invention Grant
- Patent Title: Method of printing marks on an optical article
- Patent Title (中): 在光学制品上印刷标记的方法
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Application No.: US11864524Application Date: 2007-09-28
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Publication No.: US08118229B2Publication Date: 2012-02-21
- Inventor: Kasiraman Krishnan , Marc Brian Wisnudel , James Mitchell White , David Gilles Gascoyne , Katherine Lee Jackson , Swapnil Girish Bondre
- Applicant: Kasiraman Krishnan , Marc Brian Wisnudel , James Mitchell White , David Gilles Gascoyne , Katherine Lee Jackson , Swapnil Girish Bondre
- Applicant Address: US DE Wilmington
- Assignee: NBCUniversal Media, LLC
- Current Assignee: NBCUniversal Media, LLC
- Current Assignee Address: US DE Wilmington
- Agency: Fletcher Yoder
- Main IPC: G06K19/00
- IPC: G06K19/00
Abstract:
An optical article with a plurality of optically detectable marks on a first surface of the optical article, wherein a mark of the plurality of marks has a thickness of less than or equal to about 1 micrometer, and wherein the plurality of optically detectable marks have uniform thickness.
Public/Granted literature
- US20090086617A1 METHOD OF PRINTING MARKS ON AN OPTICAL ARTICLE Public/Granted day:2009-04-02
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