Tdk Corporation

Tomohisa Mitose

Hisayuki Abe

Tomofumi Kuroda

Yu Sakurai

Susumu Taniguchi

Akiko Seki

Kiryu Ikebe

A mounting board includes: an electronic component including at least a pair of first terminals; and a circuit board including at least a pair of second terminals. 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, and when long sides of a region surrounded by the wall have a dimension dand long sides of the electronic component have a dimension d, a value of (dimension d−dimension d) is 10 μm or less.

Mounting board and circuit board

A method for producing soft magnetic metal powder includes: a raw material powder preparing step of preparing metal raw material powder having metal raw material particles including iron, silicon, and boron; a mixture step of mixing the metal raw material powder and a carbon source substance and obtaining mixed powder; and a heat treatment step of performing heat treatment on the mixed powder in a non-oxidizing atmosphere containing nitrogen at a heat treatment temperature of 1,250° C. or higher and making the metal raw material particles spherical.

Soft magnetic metal powder, method for producing the same, and soft magnetic metal dust core

Growing community of inventors

Tokyo, Japan

Tomohisa Mitose