Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
【発明の名称】電子ビ―ム描画装置およびそれにより描画されたパタ―ンを有する半導体デバイス
Document Type and Number:
Japanese Patent JP2993504
Kind Code:
B1
Inventors:
OKUMURA MASAHIDE
NAGATA KOJI
ANDO HIROZUMI
MORIMURA TOSHUKI
Application Number:
JP390499A
Publication Date:
December 20, 1999
Filing Date:
January 11, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI SEISAKUSHO KK
International Classes:
H01L21/027; G03F7/20; (IPC1-7): H01L21/027; G03F7/20
Attorney, Agent or Firm:
Masatoshi Isomura (1 outside)