Titanium-made cathode electrode for producing electrolytic...

Details Titanium-made cathode electrode for producing electrolytic... Titanium-made cathode electrode for producing electrolytic...

2006-04-18

2006-04-18

Bell, Bruce F. (Department: 1746)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S212000, C204S213000, C148S669000, C148S670000, C148S421000

Reexamination Certificate

active

07029558

ABSTRACT:
The purpose is to provide a cathode electrode for manufacturing an electrodeposited copper foil which is possible to be continuously and stably usable for a long duration of 3000 hours or longer to subsequently lessen the frequency of maintenance work execution as low as possible and to contribute to lower the running cost of the electrodeposited copper foil manufacture. As the means for achieving the purpose, a cathode electrode made of a titanium material is employed for obtaining an electrodeposited copper foil using an electrolytic copper solution and the titanium material having 7.0 or higher crystal grain size number and 35 ppm or lower initial hydrogen content is used for manufacturing the cathode electrode for manufacturing an electrodeposited copper foil. Further, also provided is a manufacturing method of the titanium material to be employed for the cathode electrode made of a titanium material.

REFERENCES:
patent: 6544663 (2003-04-01), Nakano et al.
patent: 4-36488 (1992-02-01), None
patent: 8-144033 (1996-06-01), None
patent: 8-225905 (1996-09-01), None
patent: 9-176809 (1997-07-01), None

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