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: 157 484 516 patent documents

This week's update (26/07/2024 12:00 CET):

147 225 new documents added

921 612 documents amended

GPI key values

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EP 1295321 A1 20030326 - PLANARIZATION PROCESS TO ACHIEVE IMPROVED UNIFORMITY ACROSS SEMICONDUCTOR WAFERS

Title (en)

PLANARIZATION PROCESS TO ACHIEVE IMPROVED UNIFORMITY ACROSS SEMICONDUCTOR WAFERS

Title (de)

PLANARISIERUNGSVERFAHREN ZUR VERBESSERUNG DER GLEICHFÖRMIGKEIT VON HALBLEITERSCHEIBEN

Title (fr)

PROCEDE DE PLANARISATION PERMETTANT D'OBTENIR UNE UNIFORMITE AMELIOREE SUR DES PLAQUETTES DE SEMI-CONDUCTEURS

Publication

EP 1295321 A1 20030326 (EN)

Application

EP 01906705 A 20010126

Priority

US 0102616 W 20010126
US 49164500 A 20000127
US 49254100 A 20000127

IPC 1-7

H01L 21/3105

IPC 8 full level

H01L 21/3105 (2006.01)

Citation (search report)

See references of WO 0156070A1

Citation (examination)

US 5923993 A 19990713 - SAHOTA KASHMIR S [US]
WO 9719467 A1 19970529 - FRANCE TELECOM [FR], et al
US 5952241 A 19990914 - BAKER DANIEL CLAIRE [US], et al

Designated contracting state (EPC)

AT BE CH CY DE FR GB IE IT LI

DOCDB simple family (publication)

EP 1295321 A1 20030326

DOCDB simple family (application)

EP 01906705 A 20010126