USD697070SActiveUtility

Flexible VCD having domed center and flat central bottom ring

Assignee: SABRY MOHAMMED MOHABPriority: May 15, 2009Filed: Oct 21, 2011Granted: Jan 7, 2014
Est. expiryMay 15, 2029(~2.8 yrs left)· nominal 20-yr term from priority
Y10T428/21B29C 45/263G11B 23/0035B29C 2045/2667B29L 2017/005
48
PatentIndex Score
2
Cited by
7
References
1
Claims

Abstract

A Flexible VCD Having Domed Center and Flat Central Bottom Ring and Method of Making Thereof is disclosed. The disc will has a flat data storage section of its substrate that is less than 0.7 millimeters thick, while the central region of the disc is defined by a dome structure adjacent to the spindle aperture that is of standard digital disc thickness. The disc is thin enough such that its substrate is flexible. The dome structure is shaped to provide the widest compatibility with player/recorders, as well as with disc printing systems. Disc versions are available that provide conical dome structures, as well as slivered dome structures of both conical and rectangular cross-section, and a combined design having a plurality of raised protrusions on the top surface of the disc, and a flat central ring protruding from the bottom surface of the disc. The method for manufacturing the discs simply requires the replacement of the conventional stamper holder with a stamper holding having a non-flat face.

Claims

exact text as granted — not AI-modified
CLAIM 
     
       What is claimed is the ornamental design for a flexible VCD having domed center and flat central bottom ring, as shown.

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