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:
Dec. 10, 2013
Filed:
Dec. 13, 2011
Applicants:
Gary Hamm, Billerica, MA (US);
Jason A. Reese, Londonderry, NH (US);
George R. Allardyce, Hinckley, GB;
Inventors:
Gary Hamm, Billerica, MA (US);
Jason A. Reese, Londonderry, NH (US);
George R. Allardyce, Hinckley, GB;
Assignee:
Rohm and Haas Electronic Materials LLC, Marlborough, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D 5/00 (2006.01); C25D 7/12 (2006.01); C25D 3/56 (2006.01); C25F 3/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Semiconductors are electrochemically etched in solutions containing sources of bifluoride and nickel ions. The electrochemical etching may form pores in the surface of the semiconductor in the nanometer range. The etched semiconductor is then nickel plated.