Imation Assigned Patent

Imation Corp., Oakdale, MN, has been assigned a patent (8,561,093) developed by Eric D. Levinsonand James M. DePuydt, Woodbury, MN, for a “stacking techniques for thin optical storage media.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “This disclosure relates to thin optical storage media that may be compliant with conventional DVD drives. Unlike conventional DVDs, however, the described media generally has a thickness profile less than 1.2 mm. The media may further include one or more protrusions protruding from a major surface of the media which define a thickness of approximately 1.2 mm within the clamping area of the media. In some embodiments, the media may further include one or more recesses recessed into a major surface within the clamping area of the media. Two or more optical storage media may be packaged by stacking the media in a configuration that defines an overall stacked thickness that is less than 1.2 mm for each individual medium in the package.”

The patent application was filed on Feb. 26, 2009 (12/380,341).