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 Data storage device

Details
Inventors: Naberhuis, Steven L.; Kuo, Huel-Pel; Lam, Si-Ty; Birecki, Henryk;
Assignee: Hewlett-Packard Development Company, L.P. (Houston, TX)
Primary Examiner: Flynn; Nathan J.
Assistant Examiner: Forde ; Remmon R.
Attorney, Agent or Firm:

The present disclosure relates to a data storage device, comprising a plurality of electron emitters adapted to emit electron beams, the electron emitters each having a planar emission surface, and a storage medium in proximity to the electron emitter, the storage medium having a plurality of storage areas that are capable of at least two distinct states that represent data, the state of the storage areas being changeable in response to bombardment by electron beams emitted by the electron emitters.

DETAILED DESCRIPTION Disclosed are electron emitters and data storage devices that include electron emitters.
In one embodiment, an electron emitter includes a substrate and a semiconductor layer provided on the substrate, the semiconductor layer comprising a planar outer surface that includes a planar emission surface, wherein the electron emitter is configured to emit electrons from the planar emission surface within the data storage device.
In another embodiment, an electron emitter includes a substrate and an insulator layer provided on the substrate, the insulator layer comprising a planar outer surface that includes a planar emission surface, wherein the electron emitter is configured to emit electrons from the planar emission surface within the data storage device.



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