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Current content: 155 519 367 patent documents

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123 361 new documents added

1 354 331 documents amended

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EP 0360608 A1 19900328 - Ion extraction grids.

Title (en)

Ion extraction grids.

Title (de)

Ionenextraktionsgitter.

Title (fr)

Grilles pour l'extraction d'ions.

Publication

EP 0360608 A1 19900328 (EN)

Application

EP 89309628 A 19890921

Priority

GB 8822475 A 19880923

Abstract (en)

A method of manufacturing a grid electrode comprising a lamina of refractory metal having an array of holes therein, wherein the holes are formed by a punching operation.

IPC 1-7

F03H 1/00; H01J 27/02

IPC 8 full level

F03H 1/00 (2006.01); H01J 27/02 (2006.01)

CPC (source: EP)

H01J 9/14 (2013.01); H01J 9/16 (2013.01); H01J 27/024 (2013.01)

Citation (search report)

[A] FR 2530378 A1 19840120 - RCA CORP [US]
[A] FR 2496978 A1 19820625 - TESLA KP [CS]
[A] US 4447773 A 19840508 - ASTON GRAEME [US]

Designated contracting state (EPC)

DE FR IT

DOCDB simple family (publication)

EP 0360608 A1 19900328; GB 2222978 A 19900328; GB 2222978 B 19920708; GB 8822475 D0 19881026; GB 8921246 D0 19891108

DOCDB simple family (application)

EP 89309628 A 19890921; GB 8822475 A 19880923; GB 8921246 A 19890920