(19)
(11) EP 1 886 317 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
08.04.2009 Bulletin 2009/15

(45) Mention of the grant of the patent:
07.01.2009 Bulletin 2009/02

(21) Application number: 06744974.4

(22) Date of filing: 18.05.2006
(51) International Patent Classification (IPC): 
G11C 16/02(2006.01)
(86) International application number:
PCT/IB2006/051575
(87) International publication number:
WO 2006/123305 (23.11.2006 Gazette 2006/47)

(54)

METHOD FOR CONTROLLING THE "FIRST-TO-MELT" REGION IN A PCM CELL AND DEVICES OBTAINED THEREOF

VERFAHREN ZUM REGELN DES ZUERST SCHMELZENDEN BEREICHES EINER PCM-ZELLE UND DAMIT HERGESTELLTE VORRICHTUNGEN

PROCEDES POUR CONTROLER LA REGION "PREMIERE A FONDRE" DANS UNE CELLULE PCM ET DISPOSITIFS OBTENUS A L'AIDE DE CES PROCEDES

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

(30) Priority: 19.05.2005 US 683459 P

(43) Date of publication of application:
13.02.2008 Bulletin 2008/07

(73) Proprietors:
  • NXP B.V.
    5656 AG Eindhoven (NL)
  • INTERUNIVERSITAIR MICROELEKTRONICA CENTRUM VZW
    3001 Leuven (BE)

(72) Inventors:
  • GOUX, Ludovic
    Redhill Surrey RH1 5HA (GB)
  • WOUTERS, Dirk
    Redhill Surrey RH1 5HA (GB)
  • LISONI, Judith
    Redhill Surrey RH1 5HA (GB)
  • GILLE, Thomas
    Redhill Surrey RH1 5HA (GB)

(74) Representative: Williamson, Paul Lewis et al
NXP Semiconductors UK Ltd. Intellectual Property Department Betchworth House Station Road
Redhill Surrey RH1 1DL
Redhill Surrey RH1 1DL (GB)


(56) References cited: : 
EP-A- 1 202 285
 US-A1- 2005 128 798
   
  • P. HARING BOLÍVAR, F. MERGET, D.-H. KIM, B. HADAM AND H. KURZ: "Lateral design for phase change random access memory cells with low-current consumption" EUROPEAN SYMPOSIUM ON PHASE CHANGE AND OVONIC SCIENCE SYMPOSIUM, [Online] September 2004 (2004-09), XP002398214 Retrieved from the Internet: URL:http://www.epcos.org/pdf_2004/19paper_ haringbolivar.pdf> cited in the application
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).