The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2003
Filed:
Apr. 20, 2001
Applicant:
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C 1/12 ; C25C 3/06 ; C25D 1/04 ; C25D 1/700 ; C25B 1/500 ;
U.S. Cl.
CPC ...
C25C 1/12 ; C25C 3/06 ; C25D 1/04 ; C25D 1/700 ; C25B 1/500 ;
Abstract
An object of the invention is to provide a method for continuously producing electrodeposited copper foil while thiourea-decomposed products remaining in copper electrolyte are removed through activated carbon treatment. Another object is to provide high-resistivity copper foil obtained through the method. The present invention further provides an electrodeposition apparatus including a path for circulating a copper sulfate solution, whereby in said path is provided a filtration means for removal of thiourea-decomposed products remaining in copper electrolyte.
Taniguchi, Kazuko. (2003). Electrodeposition apparatus for producing electrodeposited copper foil and electrodeposited copper foil produced by the apparatus (U.S. Patent No. 6652725). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6652725
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile