(19)
(11) EP 1 663 857 A2

(12)

(43) Date of publication:
07.06.2006 Bulletin 2006/23

(21) Application number: 04777763.6

(22) Date of filing: 09.07.2004
(51) International Patent Classification (IPC): 
C01B 6/00(1968.09)
(86) International application number:
PCT/US2004/021878
(87) International publication number:
WO 2005/012162 (10.02.2005 Gazette 2005/06)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 09.07.2003 US 485918 P

(71) Applicant: Hyperion Catalysis International
Cambridge, MA 02138 (US)

(72) Inventors:
  • TAKAI, Mikio
    Hyogo 665-0868, Osaka (JP)
  • FISCHER, Alan, B.
    Cambridge, MA 02139 (US)
  • NGAW, Lein
    Lowell, MA 01854-2959 (US)
  • NIU, Chunming
    Lexington, MA 02420 (US)

(74) Representative: HOFFMANN EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)

   


(54) FIELD EMISSION DEVICES MADE WITH LASER AND/OR PLASMA TREATED CARBON NANOTUBE MATS, FILMS OR INKS