X-ray or gamma ray systems or devices – Specific application – Lithography
Patent
1998-02-25
2000-05-30
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Lithography
378 35, 216 12, 430 5, H01L 2130
Patent
active
060699310
ABSTRACT:
A mask holding system includes a chucking mechanism for holding a mask structure including a frame and a mask substrate having a rectangular window with a mask pattern, and a load mechanism for applying, at a position along an extension of a diagonal of the rectangular window, a load to the frame in a direction along the plane of the mask, whereby the mask pattern can be distorted isotropically with the application of the load along the mask plane.
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Hara Shin-ichi
Miyachi Takeshi
Canon Kabushiki Kaisha
Dunn Drew A.
Porta David P.
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