公开(公告)号：EP2638991A4

公开(公告)日：2014-04-23

申请号：EP11839157

申请日：2011-10-28

Applicant: DOWA ELECTRONICS MATERIALS CO

Inventor： SAITO YU ,  SASAKI SHINYA

IPC: B22F1/02 ,  B22F1/00 ,  H01B1/22 ,  H01B13/00

CPC classification number: C09D5/24 ,  B22F1/0062 ,  B22F2999/00 ,  H01B1/22 ,  B22F2301/255

Abstract: The method for manufacturing a silver particle-containing composition according to the invention is directed to a method for manufacturing a silver particle-containing composition coated with a fatty acid and includes a step (A) of preparing silver particles coated with a first fatty acid (a) with 3 to 7 carbon atoms, a second fatty acid (b) with 2 to 20 carbon atoms, and a solvent in which the first and second fatty acids can disperse, respectively, a step (B) of adding the silver particles coated with the first fatty acid (a) and the second fatty acid (b) into the solvent, and a step (C) of substituting the second fatty acid (b) for the first fatty acid (a) coating the silver particles after the addition step.

公开(公告)号：EP2645408A4

公开(公告)日：2016-06-08

申请号：EP11842826

申请日：2011-05-13

Applicant: DOWA ELECTRONICS MATERIALS CO

Inventor： KURITA SATORU ,  ENDOH KEIICHI ,  SAITO YU ,  HISAEDA YUTAKA ,  UEYAMA TOSHIHIKO

IPC: H01L21/60 ,  B22F1/00 ,  B23K1/00 ,  B23K20/00 ,  B23K35/02 ,  B23K101/36 ,  B32B3/26 ,  B32B15/01 ,  H01L23/00 ,  H05K3/32

CPC classification number: B23K31/02 ,  B22F1/0014 ,  B22F1/0062 ,  B22F1/0096 ,  B22F2999/00 ,  B23K1/0016 ,  B23K20/00 ,  B23K35/025 ,  B23K2201/36 ,  B32B3/26 ,  B32B15/018 ,  H01L24/05 ,  H01L24/27 ,  H01L24/29 ,  H01L24/32 ,  H01L24/83 ,  H01L2224/04026 ,  H01L2224/05639 ,  H01L2224/27318 ,  H01L2224/2732 ,  H01L2224/27505 ,  H01L2224/2929 ,  H01L2224/29294 ,  H01L2224/29339 ,  H01L2224/2939 ,  H01L2224/2949 ,  H01L2224/32225 ,  H01L2224/83075 ,  H01L2224/83192 ,  H01L2224/83204 ,  H01L2224/83439 ,  H01L2224/83801 ,  H01L2224/8384 ,  H01L2224/83907 ,  H01L2224/83986 ,  H01L2924/01006 ,  H01L2924/01029 ,  H01L2924/01047 ,  H01L2924/10253 ,  H01L2924/12042 ,  H01L2924/1301 ,  H01L2924/13033 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/1306 ,  H01L2924/13091 ,  H01L2924/15747 ,  H01L2924/203 ,  Y10T428/12479 ,  H01L2224/832 ,  H01L2924/3512 ,  H01L2924/00 ,  H01L2924/00014 ,  H01L2924/0665 ,  B22F1/0018 ,  H01L2924/0002

Abstract: There is provided a bonding material capable of forming a bonding body under an inert gas atmosphere such as a nitrogen atmosphere, and capable of exhibiting a bonding strength that endures a practical use even if not a heat treatment is applied thereto at a high temperature, which is the bonding material containing silver nanoparticles coated with a fatty acid having a carbon number of 8 or less and having an average primary particle size of 1nm or more and 200nm or less, and silver particles having an average particle size of 0.5µm or more and 10µm or less, and an organic material having two or more carboxyl groups.