METHOD OF MANUFACTURING AN ELECTRON GUN COMPRISING A SEMICONDUCTOR CATHODE - Patent 0948801

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EP 0 948 801 A1

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(43)	Date of publication:
	13.10.1999 Bulletin 1999/41

(21)	Application number: 98936625.0

(22)	Date of filing: 19.08.1998

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International Patent Classification (IPC):

H01J 9/ 02^{( . )}
H01J 9/ 38^{( . )}
H01J 1/ 30^{( . )}

H01J 9/ 18^{( . )}
H01J 29/ 04^{( . )}

(86)	International application number:
	PCT/IB1998/001279

(87)	International publication number:
	WO 1999/017326 (08.04.1999 Gazette 1999/14)

(84)	Designated Contracting States:
	DE FR GB NL

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Priority:

29.09.1997 EP 19970202977

(71)	Applicant: Koninklijke Philips Electronics N.V.
	5621 BA Eindhoven (NL)

(72)	Inventors:
	DE SAMBER, Mark, André NL-5656 AA Eindhoven (NL) GEHRING, Frederik, Christiaan NL-5656 AA Eindhoven (NL) VAN ZUTPHEN, Tom NL-5656 AA Eindhoven (NL) KROON, Ron NL-5656 AA Eindhoven (NL) HIJZEN, Erwin, Adolf NL-5656 AA Eindhoven (NL)

(74)	Representative: Koppen, Jan
	INTERNATIONAAL OCTROOIBUREAU B.V., Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)

(54)	METHOD OF MANUFACTURING AN ELECTRON GUN COMPRISING A SEMICONDUCTOR CATHODE