Title:
ETCHANT FOR THERMOPLASTIC POLYIMIDE RESIN
Document Type and Number:
WIPO Patent Application WO/2002/046280
Kind Code:
A1
Abstract:
An etchant suitable for etching a thermoplastic polyimide resin. The etchant comprises a C¿4? or lower aliphatic amino alcohol containing an amino or imino group and a hydroxyl group in the molecule and an aqueous solution of a tetraalkylammonium hydroxide.
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Inventors:
AKITA MASANORI (JP)
URASHIMA TOSHIO (JP)
OYAMA MINORU (JP)
SUZUKI ATSUSHI (JP)
HASHINO YUKO (JP)
KANEKO MIHARU (JP)
URASHIMA TOSHIO (JP)
OYAMA MINORU (JP)
SUZUKI ATSUSHI (JP)
HASHINO YUKO (JP)
KANEKO MIHARU (JP)
Application Number:
PCT/JP2001/010565
Publication Date:
June 13, 2002
Filing Date:
December 04, 2001
Export Citation:
Assignee:
TORAY ENG CO LTD (JP)
AKITA MASANORI (JP)
URASHIMA TOSHIO (JP)
OYAMA MINORU (JP)
SUZUKI ATSUSHI (JP)
HASHINO YUKO (JP)
KANEKO MIHARU (JP)
AKITA MASANORI (JP)
URASHIMA TOSHIO (JP)
OYAMA MINORU (JP)
SUZUKI ATSUSHI (JP)
HASHINO YUKO (JP)
KANEKO MIHARU (JP)
International Classes:
C08J7/12; C09D9/00; C09K13/00; H05K3/00; H05K1/03; H05K3/38; (IPC1-7): C08J7/00; C09K13/06
Domestic Patent References:
| WO2001014463A1 | 2001-03-01 |
Foreign References:
| JPH06234870A | 1994-08-23 | |||
| JPH10195214A | 1998-07-28 | |||
| JPS4953946A | 1974-05-25 |
Other References:
See also references of EP 1350807A4
Attorney, Agent or Firm:
Ogawa, Shin-ichi (Noguchi & Saika International Patent
Office Akiyama Building 22-1, Toranomon 1-chome Minato-ku Tokyo, JP)
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