Method of forming carbon nanotubes on a carbonaceous body, composite material obtained thereby and electron beam source element using same
Patent 5773834 Issued on June 30, 1998. Estimated Expiration Date: 
February 12, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 12, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3921022 Method for monitoring microhole growth during production of microholes having a predetermined diameter Microelectronic field ionizer and method of fabricating the same Method of producing carbon material by bending at least one carbon atom layer of graphite Patent #: 5626812 InventorsAssigneeApplicationNo. 799767 filed on 02/12/1997US Classes:250/423F, Field ionization type204/192.11, Ion beam sputter deposition204/298.04, Ion beam sputter deposition250/492.3Ion or electron beam irradiationExaminersPrimary: Nguyen, Hiep T.Attorney, Agent or FirmInternational ClassH01J 027/02Foreign Application Priority Data1996-02-13 JPAbstractA composite material is produced by irradiating a surface of a shaped body of a carbonaceous material with an ion beam to form a layer of carbon nanotubes on the surface. The composite material is useful as a cathode of an electron beam source element.Other References
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