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:
Jan. 26, 1999
Filed:
Mar. 02, 1996
Applicant:
Inventors:
Seung-oun Kang, Seoul, KR;
Sang-young Moon, Ansan, KR;
Doo-heun Baek, Yongin-gun, KR;
Won-chae Suh, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23H / ; B23H / ; C25F / ;
U.S. Cl.
CPC ...
205645 ; 205667 ;
Abstract
A method for forming a minute pattern in a metal workpiece, comprising the steps of forming a mask pattern on the metal workpiece and electro-chemically etching the metal workpiece. The workpiece is electro-chemically etched in a electrolyte bath following formation of the mask pattern.