Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SUBSTRATE WITH MULTILAYER REFLECTIVE FILM, REFLECTIVE TYPE MASK BLANK AND REFLECTIVE TYPE MASK, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
Document Type and Number:
Japanese Patent JP2022159362
Kind Code:
A
Abstract:
To provide a substrate with multilayer reflective film that is used for manufacturing a reflective type mask having a multilayer reflective film having high reflectance to exposure light and low film stress.SOLUTION: Provided is a substrate with multilayer refractive film, which is a substrate with multilayer refractive film that is composed of a multilayer film, in which a low refractive index layer and a high refractive index layer are alternately laminated, on a substrate, and includes a multilayer reflective film for reflecting exposure light, and in which, characterized, the multilayer reflective film contains krypton (Kr).SELECTED DRAWING: Figure 1

Inventors:
Hirofumi Kozakai
Takahiro Onoe
Application Number:
JP2022123750A
Publication Date:
October 17, 2022
Filing Date:
August 03, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HOYA CORPORATION
International Classes:
G03F1/24; C23C14/06
Domestic Patent References:
JP2007041603A2007-02-15
JP2005250187A2005-09-15
JP2004331998A2004-11-25
Foreign References:
WO2016043147A12016-03-24
WO2015037564A12015-03-19
Attorney, Agent or Firm:
Patent Attorney Corporation Tsukuni