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:
Jul. 06, 2021
Filed:
Nov. 27, 2018
Applicant:
Ishihara Chemical Co., Ltd., Kobe, JP;
Inventors:
Assignee:
ISHIHARA CHEMICAL CO., LTD., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); B32B 15/04 (2006.01); B32B 15/18 (2006.01); C25D 3/12 (2006.01); C25D 3/30 (2006.01); C25D 5/14 (2006.01); H01L 23/532 (2006.01);
U.S. Cl.
CPC ...
B32B 15/043 (2013.01); B32B 15/18 (2013.01); C25D 3/12 (2013.01); C25D 3/30 (2013.01); C25D 5/14 (2013.01); H01L 23/53209 (2013.01); B32B 2311/09 (2013.01); B32B 2311/16 (2013.01); B32B 2311/22 (2013.01); Y10T 428/12722 (2015.01);
Abstract
A structure containing a Sn layer or a Sn alloy layer includes a substrate, a Sn layer or Sn alloy layer formed above the substrate, and an under barrier metal formed between the substrate and the Sn layer or Sn alloy layer in the form of a single metal layer containing any one of Fe, Co, Ru and Pd, or an alloy layer containing two or more of Fe, Co, Ru and Pd.