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:
Mar. 26, 2024
Filed:
Apr. 09, 2021
Applicant:
Heraeus Deutschland Gmbh & Co. KG, Hanau, DE;
Inventors:
Assignee:
HERAEUS DEUTSCHLAND GMBH & CO. KG, Hanau, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 7/06 (2006.01); B22F 1/16 (2022.01); B22F 7/04 (2006.01); H01L 23/00 (2006.01); H01R 4/58 (2006.01);
U.S. Cl.
CPC ...
B22F 7/064 (2013.01); B22F 1/16 (2022.01); B22F 7/04 (2013.01); H01L 24/29 (2013.01); H01R 4/58 (2013.01); B22F 2301/255 (2013.01); H01L 2224/05639 (2013.01);
Abstract
A silver sintering preparation in the form of a silver sintering paste comprising 70 to 95 wt.-% of coated silver particles (A) and 5 to 30 wt.-% of organic solvent (B) or in the form of a silver sintering preform comprising 74.5 to 100 wt.-% of coated silver particles (A) and 0 to 0.5 wt.-% of organic solvent (B), wherein the coating of the coated silver particles (A) comprises silver acetylacetonate (silver 2,4-pentanedionate) and/or at least one silver salt of the formula CHCOOAg with n being an integer in the range of 7 to 10, and wherein the at least one silver salt is thermally decomposable at >160° C.