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:
Apr. 22, 2003
Filed:
Jun. 13, 2001
Applicant:
Inventors:
Eiji Saito, Tokyo, JP;
Masatoshi Suzuki, Kanagawa, JP;
Minoru Tazoe, Tokyo, JP;
Makoto Ito, Kanagawa, JP;
Yuji Segawa, Tokyo, JP;
Assignee:
Sony Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 1/700 ; C25B 9/00 ; C25B 1/103 ;
U.S. Cl.
CPC ...
C25D 1/700 ; C25B 9/00 ; C25B 1/103 ;
Abstract
An electroforming apparatus comprising a container unit for storing the plating solution, a cathode part placed in the container unit and for holding an object to-be-plated and an anode part placed in the container unit face-to-face with the cathode part, wherein a current-conductive opening of the anode part is formed to have an area larger than that of a current-conductive opening of the cathode part.