RESOLUTION IMPROVEMENT IN AN ION CYCLOTRON RESONANCE MASS SPECTROMETER - Patent 0419557

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EP 0 419 557 A1

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(43)	Date of publication:
	03.04.1991 Bulletin 1991/14

(21)	Application number: 89907530.0

(22)	Date of filing: 06.06.1989

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International Patent Classification (IPC):

H01J 49/ 38^{( . )}

(86)	International application number:
	PCT/US1989/002481

(87)	International publication number:
	WO 1989/012316 (14.12.1989 Gazette 1989/29)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

06.06.1988 US 19880203311

(71)	Applicant: UNIVERSITY OF DELAWARE
	Newark, DE 19716 (US)

(72)	Inventors:
	ROCKWOOD, Alan, L. Newark, DE 19702 (US) WRONKA, John Haverhill, MA 08130 (US) PAN, Ying Newark, DE 19711 (US) RIDGE, Douglas, P. Newark, DE 19711 (US)

(74)	Representative: Froud, Clive
	Elkington and Fife Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)

(54)	RESOLUTION IMPROVEMENT IN AN ION CYCLOTRON RESONANCE MASS SPECTROMETER