US 11,810,706 B2
Multilayer metal film and inductor component
Namiko Sasajima, Nagaokakyo (JP); Hiroki Imaeda, Nagaokakyo (JP); Masami Okado, Nagaokakyo (JP); Shinji Otani, Nagaokakyo (JP); Tomohiro Sunaga, Nagaokakyo (JP); and Yoshimasa Yoshioka, Nagaokakyo (JP)
Assigned to Murata Manufacturing Co., Ltd., Kyoto-fu (JP)
Filed by Murata Manufacturing Co., Ltd., Kyoto-fu (JP)
Filed on Mar. 25, 2020, as Appl. No. 16/830,170.
Claims priority of application No. 2019-061023 (JP), filed on Mar. 27, 2019.
Prior Publication US 2020/0312519 A1, Oct. 1, 2020
Int. Cl. H01F 27/06 (2006.01); H01F 27/255 (2006.01); H01F 27/29 (2006.01)
CPC H01F 27/06 (2013.01) [H01F 27/255 (2013.01); H01F 27/29 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A multilayer metal film disposed on a base having insulating properties, comprising:
a first metal film in contact with the base, the first metal film being electrically conductive;
a second metal film covering the first metal film from a side of the first metal film opposite to the base, the second metal film having resistance to solder leaching; and
a catalytic layer disposed between the first metal film and the second metal, the first metal film including a pore portion adjacent to the catalytic layer.