The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 2015
Filed:
Dec. 23, 2008
Pingfan Peter Wu, Woodbury, MN (US);
Brian Lee Lawrence, Niskayuna, NY (US);
Zhiyuan Ren, Malta, NY (US);
John Erik Hershey, Ballston Lake, NY (US);
Xiaolei Shi, Niskayuna, NY (US);
Kenneth Brakeley Welles, Scotia, NY (US);
John Anderson Fergus Ross, Niskayuna, NY (US);
Victor Petrovich Ostroverkhov, Ballston Lake, NY (US);
Pingfan Peter Wu, Woodbury, MN (US);
Brian Lee Lawrence, Niskayuna, NY (US);
Zhiyuan Ren, Malta, NY (US);
John Erik Hershey, Ballston Lake, NY (US);
Xiaolei Shi, Niskayuna, NY (US);
Kenneth Brakeley Welles, Scotia, NY (US);
John Anderson Fergus Ross, Niskayuna, NY (US);
Victor Petrovich Ostroverkhov, Ballston Lake, NY (US);
General Electric Company, Schenectady, NY (US);
Abstract
A data storage device comprises a substrate having oppositely disposed surfaces and a plurality of volumes arranged along tracks between the surfaces; a plurality of micro-holograms each contained in a corresponding one of the volumes; and, at least one groove in at least one of the surfaces and being operative to diffract light through the at least one surface and into the volumes; wherein, the presence or absence of a micro-hologram in a stacked layer in each of the volumes is indicative of a corresponding portion of data stored.