US 12,439,519 B2
Mounting board and circuit board
Kiryu Ikebe, Tokyo (JP); Tomohisa Mitose, Tokyo (JP); Akiko Seki, Tokyo (JP); Susumu Taniguchi, Tokyo (JP); and Hisayuki Abe, Tokyo (JP)
Assigned to TDK CORPORATION, Tokyo (JP)
Appl. No. 18/037,130
Filed by TDK CORPORATION, Tokyo (JP)
PCT Filed Nov. 15, 2021, PCT No. PCT/JP2021/041912
§ 371(c)(1), (2) Date May 16, 2023,
PCT Pub. No. WO2022/107719, PCT Pub. Date May 27, 2022.
Claims priority of application No. 2020-192498 (JP), filed on Nov. 19, 2020.
Prior Publication US 2024/0008183 A1, Jan. 4, 2024
Int. Cl. H05K 1/14 (2006.01); H05K 3/34 (2006.01)
CPC H05K 1/144 (2013.01) [H05K 3/3447 (2013.01); H05K 2201/042 (2013.01); H05K 2201/10189 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A mounting board comprising:
an electronic component including at least a pair of first terminals; and
a circuit board including at least a pair of second terminals,
wherein the first terminals and the second terminals are electrically joined by a joining material containing a metal element,
the electronic component and the joining material are disposed within a wall made of an insulator,
a lower surface of the electronic component is lower than an upper surface of the wall,
when long sides of a region surrounded by the wall have a dimension d1 and long sides of the electronic component have a dimension d2, a value of (dimension d1−dimension d2) is 10 μm or less, and
wherein a constituent material is disposed between the wall and both the electronic component and the joining material.