Title:
COPPER ELECTROLYTE COMPRISING AMINE COMPOUND HAVING SPECIFIC SKELETON AND ORGANIC SULFUR COMPOUND AND ELECTROLYTIC COPPER FOIL PREPARED USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2004/009876
Kind Code:
A1
Abstract:
A copper electrolyte which comprises, as additives, an organic sulfur compound and an amine compound which is prepared by the addition reaction of a compound having one or more epoxy groups in one molecule with an amine compound and has a specific skeleton represented by the following general formula (1): (1) wherein R1 and R2 are selected form the group consisting of a hydroxyalkyl group, an ether moiety, an aromatic group, an alkyl group substituted with an aromatic group, an unsaturated hydrocarbon group and an alkyl group, A represents an epoxy compound residue and n represents an integer of one or greater. The above copper electrolyte can be used in the preparation of an electrolytic copper foil using a cathode drum, for preparing a low profile electrolytic copper foil wherein the roughness side surface (the surface opposite to a glossy surface) thereof has a low surface roughness, especially, a copper foil capable of being finely patterned and being excellent in the elongation and tensile strength at ordinary and high temperatures.
Inventors:
KUMAGAI MASASHI (JP)
HANAFUSA MIKIO (JP)
HANAFUSA MIKIO (JP)
Application Number:
PCT/JP2003/006363
Publication Date:
January 29, 2004
Filing Date:
May 21, 2003
Export Citation:
Assignee:
NIKKO MATERIALS CO LTD (JP)
KUMAGAI MASASHI (JP)
HANAFUSA MIKIO (JP)
KUMAGAI MASASHI (JP)
HANAFUSA MIKIO (JP)
International Classes:
C25D1/04; C25D3/38; H05K1/09; (IPC1-7): C25D1/04; C25D3/38
Foreign References:
JP2002508452A | 2002-03-19 | |||
EP1264918A1 | 2002-12-11 | |||
EP1069211A2 | 2001-01-17 | |||
US4384930A | 1983-05-24 | |||
EP1219729A1 | 2002-07-03 | |||
US4490220A | 1984-12-25 |
Other References:
See also references of EP 1524335A4
Attorney, Agent or Firm:
Kagami, Norio (13-5 Akasaka 4-chom, Minato-ku Tokyo, JP)
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