US 12,224,097 B2
Electronic component and method for producing electronic component
Kouhei Matsuura, Nagaokakyo (JP); Morihiro Hamano, Nagaokakyo (JP); and Keiichi Tsuduki, Nagaokakyo (JP)
Assigned to Murata Manufacturing Co., Ltd., Kyoto-fu (JP)
Filed by Murata Manufacturing Co., Ltd., Kyoto-fu (JP)
Filed on May 11, 2023, as Appl. No. 18/315,734.
Application 18/315,734 is a division of application No. 16/670,916, filed on Oct. 31, 2019, granted, now 11,688,540.
Claims priority of application No. 2018-210867 (JP), filed on Nov. 8, 2018.
Prior Publication US 2023/0282406 A1, Sep. 7, 2023
Int. Cl. H01F 7/06 (2006.01); C03C 3/04 (2006.01); C04B 35/00 (2006.01); H01B 3/12 (2006.01); H01F 17/00 (2006.01); H01F 41/04 (2006.01); H05K 1/03 (2006.01); H05K 3/46 (2006.01)
CPC H01F 17/0013 (2013.01) [C03C 3/04 (2013.01); C04B 35/00 (2013.01); H01B 3/12 (2013.01); H01F 41/041 (2013.01); H05K 1/0306 (2013.01); H05K 3/4629 (2013.01); C04B 2235/365 (2013.01); C04B 2237/341 (2013.01); H01F 2017/002 (2013.01); H01F 2017/0066 (2013.01); H01F 2017/0093 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An electronic component comprising an outer electrode on a surface of a multilayer body, the multilayer body including an inner glass layer, a magnetic material layer on a top surface and a bottom surface of the inner glass layer, and an outer glass layer on a top surface and a bottom surface of the magnetic material layer,
wherein the inner glass layer includes a coil multilayer body and a lead-out electrode layer on a top surface and/or a bottom surface of the coil multilayer body, the coil multilayer body including a plurality of coil conductor layers, each of the coil conductor layers including a coil conductor having a coil pattern on a surface of an insulating layer, the lead-out electrode layer including a lead-out electrode on a surface of an insulating layer,
the coil multilayer body includes a primary coil conductor layer including a primary coil conductor and a secondary coil conductor layer including a secondary coil conductor stacked in this order on the bottom surface thereof,
the outer electrode includes a first outer electrode, a second outer electrode, a third outer electrode, and a fourth outer electrode,
the primary coil conductor is coupled to the first outer electrode and the third outer electrode,
the secondary coil conductor is coupled to the second outer electrode and the fourth outer electrode,
the insulating layers of the inner glass layer and the outer glass layers contain a dielectric glass material that contains a glass material containing at least K, B, and Si, quartz, and alumina,
the glass material content of each insulating layer of the inner glass layer ranges from approximately 60% to 65% by weight,
the quartz content of each insulating layer of the inner glass layer ranges from approximately 34% to 37% by weight, and
the alumina content of each insulating layer of the inner glass layer ranges from approximately 0.5% to 4% by weight.