公开(公告)号：US11938543B2

公开(公告)日：2024-03-26

申请号：US17301642

申请日：2021-04-09

Applicant: Heraeus Deutschland Gmbh & Co. KG

Inventor： Ly M. Chew ,  Gregory Berube ,  Seigi Suh

IPC: B22F7/06 ,  B22F1/16 ,  B22F7/04 ,  H01L23/00 ,  H01R4/58

CPC classification number: B22F7/064 ,  B22F1/16 ,  B22F7/04 ,  H01L24/29 ,  H01R4/58 ,  B22F2301/255 ,  H01L2224/05639

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 CnH2n+1COOAg 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.

公开(公告)号：US20220324021A1

公开(公告)日：2022-10-13

申请号：US17301642

申请日：2021-04-09

Applicant: Heraeus Deutschland GmbH & Co. KG

Inventor： Ly M. Chew ,  Gregory Berube ,  Seigi Suh

IPC: B22F7/06 ,  H01R4/58 ,  B22F1/02

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 CnH2n+1COOAg 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.