GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 157 117 910 patent documents

This week's update (12/07/2024 12:00 CET):

139 301 new documents added

1 340 825 documents amended

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EP 1647060 A1 20060419 - ETCHING METHOD FOR MAKING CHALCOGENIDE MEMORY ELEMENTS

Title (en)

ETCHING METHOD FOR MAKING CHALCOGENIDE MEMORY ELEMENTS

Title (de)

ÄTZVERFAHREN ZUR HERSTELLUNG VON CHALKOGENID-SPEICHERELEMENTEN

Title (fr)

PROCEDE DE GRAVURE POUR PRODUIRE DES ELEMENTS DE MEMOIRE A CHALCOGENURE

Publication

EP 1647060 A1 20060419 (EN)

Application

EP 04757192 A 20040720

Priority

US 2004023497 W 20040720
US 48892103 P 20030721

IPC 1-7

H01L 45/00

Citation (search report)

See references of WO 2005011011A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

CN 1836342 A 20060920; EP 1647060 A1 20060419

DOCDB simple family (application)

CN 200480021249 A 20040720; EP 04757192 A 20040720