Invention Grant
- Patent Title: Dual metal optical discs
- Patent Title (中): 双金属光盘
-
Application No.: US12733246Application Date: 2008-08-20
-
Publication No.: US08445091B2Publication Date: 2013-05-21
- Inventor: Justin John Cunningham , Ibsen Lourenco , Holger Hofmann
- Applicant: Justin John Cunningham , Ibsen Lourenco , Holger Hofmann
- Applicant Address: FR Boulogne-Billancourt
- Assignee: Thomson Licensing
- Current Assignee: Thomson Licensing
- Current Assignee Address: FR Boulogne-Billancourt
- Agent Robert D. Shedd; Robert B. Levy; Wan Yee Cheung
- International Application: PCT/US2008/009886 WO 20080820
- International Announcement: WO2009/025804 WO 20090226
- Main IPC: B32B3/02
- IPC: B32B3/02
Abstract:
An optical disc having at least two metal-containing layers with different compositions and partially overlapping areal extents in the plane of the disc and method of forming the disc are described. The optical disc with dual metallization exhibits visually distinct regions suitable for use for identification purposes.
Public/Granted literature
- US20100183895A1 DUAL METAL OPTICAL DISCS Public/Granted day:2010-07-22
Information query
