US 11,742,150 B2
Solid electrolytic capacitor including an exterior body that covers a capacitor element and method of manufacturing the same
Renki Yamazaki, Osaka (JP); and Takahiro Kumakawa, Kyoto (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on May 20, 2021, as Appl. No. 17/325,274.
Claims priority of application No. 2020-098596 (JP), filed on Jun. 5, 2020.
Prior Publication US 2021/0383982 A1, Dec. 9, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H01G 9/012 (2006.01); H01G 9/15 (2006.01); H01G 9/10 (2006.01); H01G 9/07 (2006.01); H01G 9/042 (2006.01)
CPC H01G 9/15 (2013.01) [H01G 9/012 (2013.01); H01G 9/042 (2013.01); H01G 9/07 (2013.01); H01G 9/10 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A solid electrolytic capacitor comprising:
a capacitor element that has
an anode body,
a dielectric oxide film layer covering the anode body, and
a cathode body formed on the dielectric oxide film layer;
an exterior body that covers the capacitor element;
a contact layer bonded only to an anode terminal portion that is an end portion of the anode body, and has a surface with a predetermined surface roughness; and
an anode-side electrode layer that covers the surface of the contact layer, wherein:
at least part of the anode terminal portion protrudes from the exterior body and penetrates into the anode-side electrode layer, and
a material of the anode-side electrode layer is a conductive resin material having first metal particles mixed in a resin material.