Tdk Corporation

Mitsubishi Heavy Industries Limited

Nippon Soda Co., Ltd.

Oki Electric Industry Co., Ltd.

Fujitsu Takamisawa Component Limited

Mitsubishi Electric Corporation

Hodogaya Chemical Co., Ltd.

Konishi Co., Ltd.

Mitsubishi Denki Kabushiki Kaisha

Denso Corporation

Kao Corporation

Fujitsu Component Limited

Tokyo Institute of Technology

Teijin Chemicals Limited

Toyo Ink Mfg. Co., Ltd.

Shinichi Sato

Shinichi Kondo

Hidekazu Sato

Seiichi Nakagawa

Kunihiko Kawasaki

Takashi Matsunaga

Takashi Suzuki

Yusuke Nagai

Yuya Ishima

Kouichi Kakuda

Takahiro Sato

Kazuhiro Ebina

Akihiko Oide

Masaki Takahashi

Takashi Endo

Kenji Hashizume

Masashi Shimoyasu

Makoto Yoshino

Masatoshi Okamura

Yoshio Okamoto

Keiji Ikeda

Shigemitsu Aoki

Tomoya Hidaka

Makoto Morita

Yoji Tozawa

Yohei Tadaki

Kazuhiro Miura

Yuma Ishikawa

Tetsuya Miyamoto

Mamoru Kawauchi

Mitsuru Ito

Hiroshi Fujii

Kimio Tanaka

Atsushi Fukasawa

Hiroyuki Tanoue

Yuta Shimizu

Yuusuke Nagai

Takaaki Oshima

Akira Takashima

Takateru Satoh

Hiroshi Kaneda

Hiromi Ando

Yukio Suzuki

Yuto Shiga

Takuro Sato

Satoru Ishikawa

Takehiro Sato

Satoshi Kurimoto

Takeshi Shibayama

Hidenobu Umeda

Naoki Uchida

Tadashi Kawakami

Yoshiaki Kitajima

Takuo Hattori

Hiroshi Ono

Haruo Shiba

Hiroyuki Nakamura

Satoru Okamoto

Takashi Ikeda

Katsumi Abe

Nobuo Suzuki

Hirofumi Nakano

Hiroyuki Endo

Yukio Miyazaki

Kazunari Ide

Hitoshi Ohkubo

Kosuke Ito

Takashi Aoki

Manabu Kawabe

Toshio Kato

Kazuo Kubono

Etsuo Mitsuhashi

Akio Momoi

Hiroki Suzuki

Seiji Aida

Ryuichi Wada

Takateru Sato

Masatada Yodogawa

Haruhiro Shiino

Kaori Nakano

Hiroyoshi Yamaga

Kiyoki Sekine

Osamu Ina

Toshiaki Kikuchi

Kentaro Sawamura

Mamoru Aizawa

Ryo Nakajima

Ryoichi Kondo

Tadayuki Tokunaga

Yasumichi Aoki

Takeshi Oka

Nobuyuki Miki

Yukitoshi Takahashi

Kouzou Sasaki

Yumi Takizawa

Michihito Igaki

Teruhiko Iwase

Masashi Kitazaki

Daisuke Tanabe

A multilayer coil component includes: an element body formed by stacking a magnetic body layer containing a plurality of metal magnetic particles of a soft magnetic material; a first coil disposed in the element body and configured to include a plurality of first coil conductors; a second coil disposed in the element body and configured to include a plurality of second coil conductors; a first external electrode to which one end portion of each of the first coil and the second coil is connected; and a second external electrode to which the other end portion of each of the first coil and the second coil is connected.

Multilayer coil component

In a multilayer coil component, first and second conductor patterns respectively have parallel parts that overlap in a lamination direction and non-parallel parts that do not overlap. The parallel parts of the first and second conductor patterns of one set are interconnected by a first through hole. The non-parallel parts of the first and second conductor patterns of sets adjacent to each other in the lamination direction are interconnected by a second through hole.

A multilayer coil component includes: an element body containing a plurality of metal magnetic particles; a coil disposed in the element body; and an external electrode disposed on a surface of the element body and electrically connected to the coil. At least a part of a void part between the metal magnetic particles in the element body is filled with a first resin, the external electrode has a resin electrode containing a second resin and a conductor powder dispersed in the second resin, and the second resin connected from the resin electrode extends into the element body.

An electronic component includes: an element body in which a plurality of insulator layers are stacked; a coil in which a plurality of inner conductors installed in the element body are electrically connected to each other; and an outer electrode that is disposed on an outer surface of the element body, is electrically connected to the coil, and includes at least a baked electrode layer. The inner conductor connected to the outer electrode includes a connection conductor that electrically connects the baked electrode layer to the inner conductor. The connection conductor includes a protruding portion that protrudes from the outer surface of the element body to the outer electrode. The protruding portion includes a metal having a smaller diffusion coefficient than a metal of a main component included in the baked electrode layer. The inner conductors have a lower electric resistance value than the metal included in the protruding portion.

Electronic component

A multilayer coil component includes an element body, a coil disposed in the element body, and an external electrode disposed in the element body and electrically connected to the coil. The element body includes a principal surface that is a mounting surface, and an end surface positioned adjacent to the principal surface and extending in a direction crossing to the principal surface. The external electrode includes an underlying metal layer and a conductive resin layer. The underlying metal layer is formed on the principal surface and the end surface. The conductive resin layer is formed to cover the underlying metal layer. A thickness of the conductive resin layer at an end positioned above the principal surface of the underlying metal layer is equal to or greater than 50% of a maximum thickness of a portion positioned above the principal surface of the conductive resin layer.

A multilayer coil component includes an element body including a plurality of metal magnetic particles, and a plurality of coil conductors. The plurality of coil conductors is disposed in the element body. The plurality of coil conductors is separated from each other in a predetermined direction and electrically connected to each other. The plurality of coil conductors includes one pair of side surfaces opposing each other in the predetermined direction. Surface roughness of the one pair of side surfaces is less than 40% of an average particle size of the plurality of metal magnetic particles.

A guide deviation detection device for elevators that can improve accuracy of detecting that an ascending and descending body has deviated from a correctly guided state is provided. The guide deviation detection device for elevators includes a base provided in an ascending and descending body, a contact maker that is provided in the base to be adjacent to a long object positioned with an ascending and descending direction of the ascending and descending body set as a longitudinal direction, does not come into contact with the long object to take a reference posture when the ascending and descending body is in a correctly guided state, and comes into contact with the long object to change a posture from the reference posture when the ascending and descending body deviates from the correctly guided state, and a detector detects that the contact maker changes the posture from the reference posture.

Guide deviation detection device for elevators

A multilayer coil component includes an element body containing a plurality of metal magnetic particles and a resin existing between the plurality of metal magnetic particles and a coil disposed in the element body and configured to include a plurality of electrically interconnected coil conductors. At least one of the plurality of coil conductors has a spiral shape and has conductor portions adjacent to each other when viewed from a direction along a coil axis of the coil. The conductor portion includes a straight conductor portion extending in a straight line and a connecting conductor portion connecting the straight conductor portion and constituting a corner portion of the coil conductor. The metal magnetic particles between the connecting conductor portions adjacent to each other are lower in density than the metal magnetic particles between the straight conductor portions adjacent to each other.

Coil component

An electronic component includes an element body, an external electrode, and a resin film having electrical insulation properties. The element body includes a principal surface and a side surface adjacent to the principal surface. The external electrode includes a first electrode portion disposed on the principal surface and a second electrode portion disposed on the side surface. The resin film is disposed on the principal surface and is in contact with the principal surface. Each of the first electrode portion and the second electrode portion includes a conductive resin layer disposed on the element body. A conductive resin layer included in the first electrode portion is disposed on the resin film and is in contact with the resin film.

A multilayer coil component includes an element body and a plurality of coil conductors. The element body includes a plurality of metal magnetic particles and resin existing between the plurality of metal magnetic particles. The plurality of coil conductors is disposed in the element body, the plurality of coil conductors being separated from each other in a predetermined direction and electrically connected to each other. The plurality of metal magnetic particles included in the element body includes a plurality of metal magnetic particles having a particle size equal to or greater than one third of a distance between the coil conductors adjacent to each other in the predetermined direction and equal to or less than a half of the distance. Between the coil conductors adjacent to each other in the predetermined direction, the metal magnetic particles having the particle size are distributed along the predetermined direction.

Provided is an elevator derailment detection device configured to detect disengagement of a vertically movable body to be guided by guide rails to be raised and lowered from at least one of the guide rails. The elevator derailment detection device includes: a conductive wire, which is provided in a hoistway in parallel to a direction in which the vertically movable body is raised and lowered; a magnetic field measurement device, which is provided to the vertically movable body so as to measure an intensity of a magnetic field generated by a current flowing through the conductive wire, and is configured to output the measured magnetic field intensity; and a controller configured to detect the disengagement of the vertically movable body from the at least one of the guide rails when the magnetic field intensity output from the magnetic field measurement device falls above or lower than an allowable range.

Elevator derailment detection device

Growing community of inventors

Tokyo, Japan

Shinichi Sato