Tdk Corporation

Fujitsu Corporation

Sony Corporation

Tdk Korea Corporation

Hitachi, Ltd.

Kabushiki Kaisha Sega Enterprises

Katsumi Kobayashi

Norihisa Ando

Kosuke Yazawa

Sunao Masuda

Masaaki Iwakura

Hiroaki Kawasumi

Shinya Ito

Akihiro Masuda

Yoshiki Satou

Nobuo Kitajima

Takahiro Koharagi

Masahiro Mori

Kayou Matsunaga

Takuji Furusawa

Masaharu Nozawa

Akitoshi Yoshii

Taiji Kondo

Toshihiro Kuroshima

Satoshi Shinbo

Yoshihiko Shirokura

Takao Ito

Shigemasa Matsubara

Shinichi Hirata

Masashi Kuwahara

Masaru Yaguchi

Hiroshi Maeda

Toshihiro Iguchi

Nobuo Takagi

Kouyu Ohi

Shinya Saito

Kenya Tamaki

Satoshi Kurosawa

Takashi Komatsu

Kazuyuki Hasebe

Yutaka Hatakeyama

Kayou Kusano

Masaru Kumagai

Kiho Hwang

Mitsuaki Yasuoka

Setu Tuchida

Jun Hasegawa

Hiroshi Suzuki

Makoto Ono

Makoto Tanaka

Satoshi Ikeda

Manabu Kai

Koki Sato

Setu Tsuchida

Teruhisa Ninomiya

Takahiro Adachi

Masahiro Kikuchi

Akira Okubo

Makoto Maeda

Kosuke Kunitsuka

Masataka Aoki

Susumu Murata

Koichi Ishibashi

Tetsuya Hamada

Hideaki Harata

Masatoshi Yasuda

Katsuhiro Ishigaki

Norio Ito

Tomosuke Chiba

Yukio Hayashi

Yasuaki Kamimura

Hiroaki Tamai

Mitsuru Todaiji

Kobun Nakajima

Naoto Miyauchi

Yosuke Nishikata

Joji Maruyama

Takizo Shioda

Takafumi Kawakami

Kazuya Takeuchi

Katsunori Hayashi

Yoshiyuki Takanashi

Hirofumi Asoh

Shin Kudo

Kazunori Izumi

Mitsuo Kuroha

Takashi Semuna

Kazuhiro Hagino

Hirofumi Asou

Koji Utsui

Koji Kaneko

Takayuki Sakai

Satoshi Sinbo

An electronic device includes a chip component, a conductive terminal, a case, and a fixation part. The chip component includes a terminal electrode on an end surface of the chip component. The conductive terminal is connected to the terminal electrode. The case includes an accommodation recess for accommodating the chip component. The fixation part fixes the case to an installation portion.

Electronic device including chip component and case

An electronic devicecomprises chip capacitorsand, an accommodation recessaccommodating the chip capacitorsand, and a caseincluding a protrusionpartitioning the accommodation recessinto a first accommodation spaceand a second accommodation spacealong the X-axis direction. The protrusionincludes a first protrusionand a second protrusiondisposed away from the first protrusionalong the Y-axis direction. The first protrusionand the second protrusionare disposed with a communication spaceprovided between the first protrusionand the second protrusion, so that the first accommodation spaceand the second accommodation spacecommunicate.

Electronic device

An electronic device includes chip components, a case, conductive terminals, and a fuse. The chip components each include a terminal electrode. The case includes accommodation recesses for accommodating the chip components. The conductive terminals are fixed to the case and respectively connected to the terminal electrodes of the chip components. The fuse electrically connects the chip components.

An electronic device includes first and second capacitors, a case, a coil, and first to fourth conductive terminals. The first capacitor includes first and second terminal electrodes. The second capacitor includes third and fourth terminal electrodes. The case includes an accommodation recess for accommodating the first and second capacitors. The coil is separated from the first and second capacitors by a part of the case and disposed outside the accommodation recess. The first terminal is connected to the first electrode and partly disposed on a mounting-side bottom surface of the case. The second terminal is connected to one end of the coil and the second electrode and partly disposed on the surface. The third terminal is connected to the other end of the coil and the third electrode and partly disposed on the surface. The fourth terminal is connected to the fourth electrode and partly disposed on the surface.

A coil device comprising, the core body having a coil core part and a core bottom face, and a coil part forming spiral conductive pathway around the coil core part. A metal electrode is formed at the core bottom face, and the wire ends which are the conductive pathway of the coil part are formed at the metal electrode, and a part of the surface of the metal electrode is covered by the conductive resin electrode.

Coil device

An electronic component has capacitor chips where terminal electrodes are formed on both end surfaces, individual metal terminals connected to the terminal electrodes, an insulation case accommodating the capacitor chips, and a connecting portion interconnecting a plurality of the insulation cases.

A conductive terminal includes an inner electrode part, an opening edge electrode part, and a lateral electrode part. The inner electrode part is connectable to a terminal electrode of a chip component by being inserted along an inner wall of an accommodation recess of a case. The opening edge electrode part is formed continuously to the inner electrode part. The lateral electrode part is formed continuously to the opening edge electrode part along an outer surface of the case. The inner electrode part includes a base part, a curved part, and a continuous boundary part. The base part continues to the opening edge electrode part. The curved part is formed near a tip of the base part and protrudes away from the lateral electrode part. The continuous boundary part is formed between the base part and the curved part and continuously connects them.

Conductive terminal and electronic device

An electronic device including chip components each having a first terminal electrode and a second terminal electrode formed on both end faces, and a case provided with an accommodation recess in which the chip components are accommodated, and an opening edge face formed around an opening face of the accommodation recess. An individual metal terminal is attached to the case. The individual metal terminal includes an inner electrode part inserted along an inner side wall of the accommodation recess in the case for connecting to the first terminal electrode, an opening edge electrode part formed over the opening edge face to be continuous to the inner electrode part and a side electrode part formed along the outer side face of the case to be continuous to the opening edge electrode part.

A coil device includes a core body having a coil core part and a core bottom face, The coil device further includes a coil part forming spiral conductive pathway around the coil core part. A metal electrode is formed at the core bottom face, and the wire ends which are the conductive pathway of the coil part are formed at the metal electrode, and a part of the surface of the metal electrode is covered by a conductive resin electrode.

A ceramic electronic device includes multiple chip components and a pair of metal terminal portions. The chip components consist of a pair of chip end surfaces and four chip side surfaces. Terminal electrodes are formed on the pair of chip end surfaces. The pair of metal terminal portions is arranged correspondingly with the pair of chip end surfaces. Each of the pair of metal terminal portions includes an electrode face portion, multiple pairs of engagement arm portions, and a mount portion. The electrode face portion faces the chip end surface. The multiple pairs of engagement arm portions extend from the electrode face portion toward the chip side surface and sandwich and hold the chip components. The mount portion extends from one of terminal second sides toward the chip components and is partially substantially vertical to the electrode face portion.

Ceramic electronic device

A ceramic electronic device includes multiple chip components and a pair of metal terminal portions. The chip components consist of a pair of chip end surfaces and four chip side surfaces. Terminal electrodes are formed on the pair of chip end surfaces. The pair of metal terminal portions is arranged correspondingly with the pair of chip end surfaces. Each of the pair of metal terminal portions includes an electrode face portion, a pair of engagement arm portions, and a mount portion. The electrode face portion faces the chip end surface. The pair of engagement arm portions sandwich and hold the chip component. The mount portion extends from one of terminal second sides toward the chip component and is partially substantially vertical to the electrode face portion. The electrode face portion has a slit.

A coil device includes an inner core having a winding core and a pair of flanges, a wire, an outer core arranged outside the inner core, a first terminal with a first wirebound having a first wirebound bottom arranged axially on a core end surface of the outer core and connected to a first end of the wire, and a second terminal with a second wirebound having a second wirebound bottom arranged on the core end surface and connected to a second end of the wire. The first wirebound has a first wire fixing portion bending from the first wirebound bottom toward a first rotating direction and fixing the first end. The second wirebound has a second wire fixing portion bending from the second wirebound bottom toward the same rotating direction as the first rotating direction and fixing the second end.

A ceramic electronic device includes a chip component and a pair of metal terminals. The component includes a rectangular-parallelepiped element body having dielectrics and internal electrodes and a pair of terminal electrodes covering end surfaces of the body and a part of side surfaces of the body. The pair of metal terminals respectively has an engagement arm portion configured to hold the component. The terminal electrode includes first and second side surfaces. The first side surface has a predetermined side-surface electrode thickness. The second side surface is disposed farther from the end surface of the body than the first side surface and has the side-surface electrode thickness which is smaller than that of the first side surface. The arm portion contacts with the component at a position that is farther from the end surface of the body than the first side surface.

A transformercomprises a bobbin. A cylinder portionof the bobbinis provided with a first winding partwhere a first wireis wound and a second winding partwhere a second wireis wound at a position different from the first winding partin an axial direction. At an outer circumference of the cylinder portionlocated between the first winding partand the second winding part, an insulating partition collaris formed. On the first winding part, a winding partition collar, separating in respective sections S, S, is formed. On the winding partition collar, at least one communication groovea, communicating the sections S, Sadjacent to each other is formed. The first wireis &#x3b1;-wound around the first winding part

Transformer and leakage transformer

A coil device includes a core member, a bobbin, a coil portion, an outer case, and a potting resin. The core member extends in a longitudinal direction. The bobbin is provided with a longitudinal concave portion communicating with a side surface opening portion open to outside and housing the core member. The coil portion is provided with a wire wound around the bobbin. The outer case is provided with a housing concave portion configured to house the bobbin housing the core member and have the coil portion. The potting resin is filled in the housing concave portion and surrounds the bobbin with the coil portion. An opening port of the housing concave portion and the side surface opening portion are open in the same direction.

Growing community of inventors

Tokyo, Japan

Katsumi Kobayashi