Global Patent Index - EP 0987729 A1

EP 0987729 A1 2000-03-22 - Low degassing microtip cathode

Title (en)

Low degassing microtip cathode

Title (de)

Mikropunktkathode mit niedriger Entgasung

Title (fr)

Cathode à micropointes à faible dégazage

Publication

EP 0987729 A1 (FR)

Application

EP 99410114 A

Priority

FR 9811823 A

Abstract (en)

Cathode with micro tips (10) for flat screen display comprising cathode conductors (3) between a substrate (1) and an isolating layer (4) of a grid comprises a layer (20) with a low coefficient of bonding visible at least between the lines of the grid. Preferably this layer (20) is alumina, zinc oxide, chromium oxide, amorphous carbon, or silicon nitride.

Abstract (fr)

L'invention concerne une cathode à micropointes (10) pour écran plat de visualisation, du type comportant des conducteurs de cathode (3), entre un substrat (1) et une couche d'isolement (4) d'une grille (5), et une couche (20) présentant un faible coefficient de collage, apparente au moins entre des lignes (13) de la grille. <IMAGE>

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

H01J 3/02

IPC 8 full level (invention and additional information)

H01J 31/12 (2006.01); G09F 9/30 (2006.01); H01J 3/02 (2006.01)

CPC (invention and additional information)

H01J 3/022 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

EP 0987729 A1 20000322; FR 2783633 A1 20000324; FR 2783633 B1 20030207; JP 2000100357 A 20000407

INPADOC legal status


2003-04-23 [19U] DATE OF INTERRUPTION (INTERRUPTION OF PROCEEDINGS) BEFORE GRANT

- Effective date: 20020621

2002-07-24 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20020607

2000-12-06 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: DE FR GB IT

2000-11-02 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000904

2000-03-22 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB IT

2000-03-22 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI