Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Katsufumi Shimanaka

Kazuhiro Nishikawa

Yuichiro Tsubaki

Atsushi Tanaka

Naomi Nishiki

Hidetoshi Kitaura

Kimiaki Nakaya

Kiyoshi Hirota

Akiyoshi Azechi

The present invention relates to an anisotropic heat conductive composition including flake graphite particles and a resin composition for the particles to be dispersed therein. When the particles have a basal plane, a maximum diameter a in a direction of the basal plane, and a thickness c perpendicular to the basal plane, a/c is 30 or more on average, and a content of the particles is more than 40 mass % and 90 mass % or less. Since the composition includes the particles having a particular shape, when it is formed into a sheet, an anisotropic heat conductive path can be efficiently created therein. Thus, the present invention can provide a molded product in sheet form, suited to have therein a heat conductive path capable of dispersing heat from a high temperature region to a low temperature region.

Anisotropic heat conductive composition and molded product thereof

A cylindrical sealing member for a capacitor has a circular first plane and a circular second plane placed oppositely to the first plane, and is provided with two lead holes that penetrate the first and second planes. This sealing member for a capacitor contains butyl rubber, and inorganic material oblate particles having flat surfaces. The sealing member includes a first portion, and a second portion in the vicinity of an outer circumference of the sealing member as well as in the vicinity of the two lead holes. In the first portion, the inorganic material oblate particles are scattered such that flat surfaces thereof are oriented substantially in parallel with the first plane. In the second portion, the inorganic material oblate particles are scattered such that the flat surfaces thereof are oriented substantially perpendicularly to the first plane.

Sealing member for capacitor and aluminum electrolytic capacitor using the same

Growing community of inventors

Hyogo, Japan

Katsufumi Shimanaka