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Extract from the Register of European Patents

EP About this file: EP0834920

EP0834920 - Improvements in or relating to semiconductor device metallization and interconnects [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  30.10.1998
Database last updated on 13.11.2024
Most recent event   Tooltip30.10.1998Withdrawal of applicationpublished on 16.12.1998 [1998/51]
Applicant(s)For all designated states
TEXAS INSTRUMENTS INC.
13500 North Central Expressway Dallas
Texas 75243 / US
[N/P]
Former [1998/15]For all designated states
TEXAS INSTRUMENTS INC.
13500 North Central Expressway
Dallas, Texas 75243 / US
Inventor(s)01 / Graas, Carole D.
6114 Norfolk Drive
Garland, Texas 75265 / US
[1998/15]
Representative(s)Williams, Janice, et al
D Young & Co LLP
120 Holborn
London EC1N 2DY / GB
[N/P]
Former [1998/15]Williams, Janice, et al
D. Young & Co., 21 New Fetter Lane
London EC4A 1DA / GB
Application number, filing date97307832.203.10.1997
[1998/15]
Priority number, dateUS19960027843P03.10.1996         Original published format: US 27843 P
[1998/15]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0834920
Date:08.04.1998
Language:EN
[1998/15]
Search report(s)(Supplementary) European search report - dispatched on:EP27.01.1998
ClassificationIPC:H01L23/532, H01L23/522
[1998/15]
CPC:
H01L23/5226 (EP); H01L21/28 (KR); H01L23/53223 (EP);
H01L2924/0002 (EP)
C-Set:
H01L2924/0002, H01L2924/00 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1998/15]
Extension statesALNot yet paid
LTNot yet paid
LVNot yet paid
RONot yet paid
SINot yet paid
TitleGerman:Verbesserungen im Bezug auf Metallisierung und Verbindungen von Halbleitervorrichtungen[1998/15]
English:Improvements in or relating to semiconductor device metallization and interconnects[1998/15]
French:Améliorations concernant la métallisation et les interconnexions de dispositifs semi-conducteurs[1998/15]
Examination procedure13.08.1998Examination requested  [1998/41]
22.10.1998Application withdrawn by applicant  [1998/51]
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Documents cited:Search[PXA]US5646448  (KLEIN RICHARD K [US], et al) [PX] 1 * column 5, line 18 - line 43 * * column 4, line 20 - line 33 * [A] 3,4;
 [X]EP0721216  (IBM [US]) [X] 1 * page 4, line 14 - line 48; figures 2,4 *;
 [A]US5442235  (PARRILLO LOUIS C [US], et al) [A] 1-4 * column 3, line 53 - column 8, line 21; figures 1-6 *;
 [DA]US5360995  (GRAAS CAROLE D [US]) [DA] 1-4 * column 3, line 1 - column 6, line 57; figures 1-7 *;
 [A]  - JIANG TAO ET AL, "ELECTROMIGRATION RELIABILITY OF TUNGSTEN AND ALUMINUM VIAS AND IMPROVEMENTS UNDER AC CURRENT STRESS", IEEE TRANSACTIONS ON ELECTRON DEVICES, (19930801), vol. 40, no. 8, pages 1398 - 1404, XP000383740

DOI:   http://dx.doi.org/10.1109/16.223698
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.