Title:
PATTERN FORMING METHOD, METHOD FOR PRODUCING SEMICONDUCTOR DEVICE AND PHOTOSENSITIVE COMPOSITION
Document Type and Number:
Japanese Patent JP2002139834
Kind Code:
A
Abstract:
To provide a method for forming a negative type pattern free of swelling and excellent in resolution while having a chemical structure transparent in the far UV region including 193 nm wavelength of ArF excimer laser beam and having high dry etching resistance.
A reaction in which part or the whole of a γ- or δ- acetoxycarboxylic acid structure is converted into a lactone structure by an acid catalyzed reaction is used.
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Inventors:
HATTORI KOJI
YOKOYAMA YOSHIYUKI
SHIRAISHI HIROSHI
YOKOYAMA YOSHIYUKI
SHIRAISHI HIROSHI
Application Number:
JP2000340380A
Publication Date:
May 17, 2002
Filing Date:
November 02, 2000
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G03F7/038; C08F8/16; C08F32/04; C08K5/00; C08L45/00; G03F7/38; G03F7/40; H01L21/027; (IPC1-7): G03F7/038; C08F8/16; C08F32/04; C08K5/00; C08L45/00; G03F7/38; G03F7/40; H01L21/027
Attorney, Agent or Firm:
Sakuta Yasuo
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