Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
EXPOSURE APPARATUS AND EXPOSURE METHOD
Document Type and Number:
Japanese Patent JP2011169924
Kind Code:
A
Abstract:

To provide exposure apparatus and an exposure method which achieve shorting of a mask replacement time (apparatus down time) and highly accurate exposure by simple constitution by using a comparatively inexpensive film mask.

The exposure apparatus irradiates a workpiece W with a light beam of exposure light from an illumination optical system 160 through a mask M, and transfers a pattern Pa of the mask M to the workpiece W. The mask M is equipped with: a film mask 120 on which the pattern Pa is formed; and a glass plate 122 onto which the film mask 120 is stuck.


Inventors:
KISHIDA MANABU
KARUISHI SHUSAKU
Application Number:
JP2010021412A
Publication Date:
September 01, 2011
Filing Date:
February 02, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NSK LTD
International Classes:
G03F7/20; H01L21/027
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa