Global Patent Index - EP 0991102 A1

EP 0991102 A1 2000-04-05 - Charge-up suppressing film for spacer in image forming apparatus

Title (en)

Charge-up suppressing film for spacer in image forming apparatus

Title (de)

Ladungsunterdrückende Schicht für Abstandshalter in Bilderzeugungsgerät

Title (fr)

Film supprimant de charges pour élément d'espacement in appareil de formation d'images

Publication

EP 0991102 A1 (EN)

Application

EP 98308111 A

Priority

JP 28124398 A

Abstract (en)

On the substrate having a conductivity, a film is formed to partially expose the underlying substrate. This film can effectively suppress the generation of secondary electrons. The substrate having a conductivity may be an insulating substrate formed with an electroconductive film. Charges can be suppressed effectively by the film. <IMAGE>

IPC 1-7 (main, further and additional classification)

H01J 29/02

IPC 8 full level (invention and additional information)

H01J 29/87 (2006.01); H01J 29/02 (2006.01); H01J 29/86 (2006.01); H01J 31/12 (2006.01); H05F 1/00 (2006.01); H05F 1/02 (2006.01)

CPC (invention and additional information)

H05F 1/00 (2013.01); H01J 29/028 (2013.01); H01J 29/864 (2013.01); H01J 31/127 (2013.01); H01J 2329/864 (2013.01); H01J 2329/8645 (2013.01); H01J 2329/8655 (2013.01)

Citation (applicant)

EP 0851458 A1 19980701 - CANON KK [JP]

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT NL

EPO simple patent family

EP 0991102 A1 20000405; EP 0991102 B1 20090114; DE 69840477 D1 20090305; JP 2000113997 A 20000421

INPADOC legal status


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2014-07-24 [REG DE R119] APPLICATION DEEMED WITHDRAWN, OR IP RIGHT LAPSED, DUE TO NON-PAYMENT OF RENEWAL FEE

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2014-06-25 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

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2009-07-01 [NLV1] NL: LAPSED OR ANNULLED DUE TO FAILURE TO FULFILL THE REQUIREMENTS OF ART. 29P AND 29M OF THE PATENTS ACT

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2009-01-14 [REG GB FG4D] EUROPEAN PATENT GRANTED

2003-01-29 [17Q] FIRST EXAMINATION REPORT

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