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Patent Searching and Data


Title:
METHOD AND APPARATUS FOR MASK REPAIR
Document Type and Number:
Japanese Patent JP2023140338
Kind Code:
A
Abstract:
To provide a method, apparatus and computer program for processing of a lithography object.SOLUTION: The present disclosure relates to a method, apparatus and computer program for processing of a lithography object. More specifically, the present invention relates to a method for removing a material, to a corresponding apparatus, to a method for lithographic processing of a wafer, and to a computer program for implementing the methods. A method for processing a lithography object comprises, for example: providing a first gas comprising first molecules; providing a particle beam in a working region of the object for removal of a first material in the working region based at least partly on the first gas, where the first material comprises ruthenium.SELECTED DRAWING: Figure 1

Inventors:
CHRISTIAN FELIX HERMANNS
PETRA SPIES
DANIEL RHINOW
MAXIMILIAN RUMLER
SCHNEIDER HORST
TU FAN
LAURA AHMELS
BENJAMIN HERD
Application Number:
JP2023044937A
Publication Date:
October 04, 2023
Filing Date:
March 22, 2023
Export Citation:
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Assignee:
ZEISS CARL SMT GMBH
International Classes:
G03F1/74
Attorney, Agent or Firm:
Shinichiro Tanaka
Hiroyuki Suda
Fumiaki Otsuka
Naoki Kondo
Takeo Nasu
Nobuhiko Suzuki
Nobuyuki Taniguchi