US 9,812,418 B2
Electronic apparatus and method for fabricating the same
Kozo Shimizu, Atsugi (JP); and Seiki Sakuyama, Isehara (JP)
Assigned to FUJITSU LIMITED, Kawasaki (JP)
Filed by Fujitsu Limited, Kawasaki-shi, Kanagawa (JP)
Filed on Nov. 15, 2016, as Appl. No. 15/351,992.
Application 15/351,992 is a continuation of application No. 15/142,690, filed on Apr. 29, 2016, granted, now 9,530,745.
Application 15/142,690 is a continuation of application No. 14/532,032, filed on Nov. 4, 2014, granted, now 9,490,232.
Claims priority of application No. 2013-254372 (JP), filed on Dec. 9, 2013.
Prior Publication US 2017/0062373 A1, Mar. 2, 2017
Int. Cl. H01L 23/00 (2006.01); H01L 25/065 (2006.01); H01L 23/367 (2006.01); H01L 25/00 (2006.01); B23K 1/00 (2006.01); B23K 3/08 (2006.01); H01L 23/31 (2006.01); H01L 23/488 (2006.01); H01L 23/498 (2006.01); B23K 35/02 (2006.01); B23K 35/26 (2006.01); H05K 1/02 (2006.01); H05K 3/34 (2006.01); H01L 23/14 (2006.01); B23K 101/40 (2006.01); B23K 101/42 (2006.01); H05K 1/09 (2006.01); H05K 1/11 (2006.01)
CPC H01L 24/17 (2013.01) [B23K 1/0008 (2013.01); B23K 1/0016 (2013.01); B23K 3/085 (2013.01); B23K 35/0244 (2013.01); B23K 35/262 (2013.01); B23K 35/264 (2013.01); H01L 23/3128 (2013.01); H01L 23/3675 (2013.01); H01L 23/488 (2013.01); H01L 23/49816 (2013.01); H01L 23/49822 (2013.01); H01L 23/49827 (2013.01); H01L 24/13 (2013.01); H01L 24/16 (2013.01); H01L 24/19 (2013.01); H01L 24/75 (2013.01); H01L 24/81 (2013.01); H01L 25/0655 (2013.01); H01L 25/0657 (2013.01); H01L 25/50 (2013.01); H05K 3/3463 (2013.01); B23K 2201/40 (2013.01); B23K 2201/42 (2013.01); H01L 23/145 (2013.01); H01L 23/3114 (2013.01); H01L 23/49838 (2013.01); H01L 24/20 (2013.01); H01L 24/73 (2013.01); H01L 2224/0401 (2013.01); H01L 2224/04105 (2013.01); H01L 2224/05082 (2013.01); H01L 2224/05144 (2013.01); H01L 2224/05147 (2013.01); H01L 2224/05155 (2013.01); H01L 2224/05567 (2013.01); H01L 2224/05624 (2013.01); H01L 2224/05647 (2013.01); H01L 2224/1146 (2013.01); H01L 2224/11334 (2013.01); H01L 2224/131 (2013.01); H01L 2224/13016 (2013.01); H01L 2224/13076 (2013.01); H01L 2224/13111 (2013.01); H01L 2224/13139 (2013.01); H01L 2224/13144 (2013.01); H01L 2224/13147 (2013.01); H01L 2224/13155 (2013.01); H01L 2224/13164 (2013.01); H01L 2224/1601 (2013.01); H01L 2224/16145 (2013.01); H01L 2224/16157 (2013.01); H01L 2224/16235 (2013.01); H01L 2224/16238 (2013.01); H01L 2224/16505 (2013.01); H01L 2224/16507 (2013.01); H01L 2224/24137 (2013.01); H01L 2224/24195 (2013.01); H01L 2224/293 (2013.01); H01L 2224/2919 (2013.01); H01L 2224/2929 (2013.01); H01L 2224/32225 (2013.01); H01L 2224/33181 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48106 (2013.01); H01L 2224/48227 (2013.01); H01L 2224/73204 (2013.01); H01L 2224/73253 (2013.01); H01L 2224/73265 (2013.01); H01L 2224/759 (2013.01); H01L 2224/75253 (2013.01); H01L 2224/75501 (2013.01); H01L 2224/75502 (2013.01); H01L 2224/81005 (2013.01); H01L 2224/8121 (2013.01); H01L 2224/81075 (2013.01); H01L 2224/81191 (2013.01); H01L 2224/81192 (2013.01); H01L 2224/81411 (2013.01); H01L 2224/81815 (2013.01); H01L 2224/81948 (2013.01); H01L 2224/81986 (2013.01); H01L 2225/06513 (2013.01); H01L 2924/014 (2013.01); H01L 2924/10252 (2013.01); H01L 2924/10253 (2013.01); H01L 2924/10271 (2013.01); H01L 2924/10329 (2013.01); H01L 2924/10335 (2013.01); H01L 2924/13091 (2013.01); H01L 2924/1579 (2013.01); H01L 2924/15311 (2013.01); H01L 2924/15313 (2013.01); H01L 2924/1659 (2013.01); H01L 2924/16235 (2013.01); H01L 2924/16251 (2013.01); H01L 2924/16747 (2013.01); H01L 2924/181 (2013.01); H01L 2924/19041 (2013.01); H01L 2924/19105 (2013.01); H01L 2924/3512 (2013.01); H01L 2924/35121 (2013.01); H05K 1/0203 (2013.01); H05K 1/09 (2013.01); H05K 1/113 (2013.01); H05K 3/3436 (2013.01); H05K 2201/0248 (2013.01); H05K 2201/09972 (2013.01); H05K 2201/1056 (2013.01); H05K 2203/1121 (2013.01); H05K 2203/304 (2013.01)] 2 Claims
OG exemplary drawing
 
1. An electronic apparatus comprising:
a first electronic part with a first terminal;
a second electronic part with a second terminal opposite the first terminal; and
a joining portion that joins the first terminal and the second terminal,
wherein the joining portion includes
a portion containing at least a first metallic element and a second metallic element different from the first metallic element, and
an intermetallic compound containing the first metallic element and the second metallic element different from the first metallic element, the intermetallic compound extending in a direction in which the first terminal and the second terminal are opposite to each other,
the portion being around the intermetallic compound, and
wherein the first metallic element is Sn, and the second metallic element is one of Au, Cu, Ni, and Pd.