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Patent Searching and Data


Title:
COMPOSITION FOR ANTIREFLECTION FILM FORMATION
Document Type and Number:
WIPO Patent Application WO/2004/008253
Kind Code:
A1
Abstract:
A composition for antireflection film formation which comprises a urea compound substituted by hydroxyalkyl or alkoxyalkyl and preferably contains a light-absorbing compound and/or light-absorbing resin; a method of forming an antireflection film for a semiconductor device, which comprises using the composition; and a process for producing a semiconductor device, which comprises using the composition. The composition satisfactorily absorbs light having wavelengths for use in semiconductor device production. The composition is hence highly effective in eliminating reflected light. It further has a higher dry-etching rate than photoresist layers.

Inventors:
KISHIOKA TAKAHIRO (JP)
ARASE SHINYA (JP)
MIZUSAWA KEN-ICHI (JP)
NAKAYAMA KEISUKE (JP)
Application Number:
PCT/JP2003/008832
Publication Date:
January 22, 2004
Filing Date:
July 11, 2003
Export Citation:
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Assignee:
NISSAN CHEMICAL IND LTD (JP)
KISHIOKA TAKAHIRO (JP)
ARASE SHINYA (JP)
MIZUSAWA KEN-ICHI (JP)
NAKAYAMA KEISUKE (JP)
International Classes:
C08K5/00; C08L61/24; C08L101/00; G03F7/11; G03F7/09; H01L21/027; (IPC1-7): G03F7/11; H01L21/027
Domestic Patent References:
WO2002069046A12002-09-06
Foreign References:
JP2002148791A2002-05-22
JP2000221690A2000-08-11
JP2001005186A2001-01-12
US6083665A2000-07-04
JPH1184673A1999-03-26
JP2000010293A2000-01-14
JPH10333336A1998-12-18
US6090531A2000-07-18
Other References:
See also references of EP 1542075A4
Attorney, Agent or Firm:
Hanabusa, Tsuneo c/o Hanabusa, Patent Office (5th Floor Shin-Ochanomizu Urban Trinity Bldg., 2, Kandasurugadai 3-chom, Chiyoda-ku Tokyo, JP)
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