Samsung Electro-mechanics Co., Ltd.

Kyo Yeol Lee

Seung Mo Lim

Yun Sung Kang

Hai Joon Lee

Dong Joon Oh

In Young Kang

Ho Phil Jung

Jung Min Kim

Jeong Ryeol Kim

Seung Hun Han

Tae Joon Park

Yun Hee Kim

Tae Kyung Lee

Hyun Ho Shin

Sang Wook Lee

Sung Wook Kim

Jong Beom Kim

Byeong Cheol Moon

Sang Jin Kim

Jung Won Lee

Sung Jun Lee

Hwa Sun Lee

Jong Pil Lee

Sung Sun Kim

Jeong Suong Yang

Je Hong Kyoung

Jeong Hoon Ryou

Woong Do Jung

Chang Soo Jang

Jae Sang Lee

A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and first internal electrodes and second internal electrodes disposed to face each other and alternately stacked with the respective dielectric layers interposed therebetween; a first external electrode connected to the first internal electrodes; a second external electrode connected to the second internal electrodes; and a protective layer disposed on the ceramic body, the first external electrode, and the second external electrode, wherein the protective layer includes an adhesion assisting layer and a coating layer, an average thickness of the protective layer is 70 nm or more and/or less than 400 nm, and a ratio of an average thickness of the coating layer to the average thickness of the protective layer is 0.25 or more and/or 0.75 or less.

Multilayer ceramic electronic component

A multilayer ceramic electronic component includes a ceramic body including a first internal electrode and a second internal electrode disposed to be alternately stacked with a dielectric layer interposed therebetween; a first external electrode connected to the first internal electrode and including a first electrode layer, a first conductive layer, and a first metal layer; a second external electrode connected to the second internal electrode and including a second electrode layer, a second conductive layer, and a second metal layer; and a first coating layer disposed on the ceramic body, the first electrode layer and the second electrode layer. The first conductive layer and the second conductive layer are sintered electrodes including a conductive metal and glass, and the first coating layer includes a plurality of openings disposed on the first electrode layer and the second electrode layer.

Multilayer ceramic electronic component including external electrodes having improved reliability

A multilayer ceramic electronic component includes a ceramic body including a first internal electrode and a second internal electrode disposed to be alternately stacked with a dielectric layer interposed therebetween, a first external electrode connected to the first internal electrode and including a first electrode layer, a first conductive layer, and a first metal layer, a second external electrode connected to the second internal electrode and including a second electrode layer, a second conductive layer, and a second metal layer, and a first coating layer disposed on the ceramic body, the first electrode layer and the second electrode layer, wherein the first coating layer may include an alkyl(meth)acrylate-based polymer.

A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and first internal electrodes and second internal electrodes disposed to face each other and alternately stacked with the respective dielectric layers interposed therebetween; a first external electrode connected to the first internal electrodes; a second external electrode connected to the second internal electrodes; and a protective layer disposed on the ceramic body, the first external electrode, and the second external electrode, wherein the protective layer includes an adhesion assisting layer and a coating layer.

A capacitor component includes a porous body, a first electrode layer covering surfaces of pores of the porous body, a dielectric layer covering the first electrode layer, and a second electrode layer filling the pores of the porous body and covering the dielectric layer.

Capacitor component

A thin film capacitor includes a body including a lower electrode formed on a substrate, a plurality of first electrode layers, and a plurality of second electrode layers stacked alternately with the plurality of first electrode layers, with one of the dielectric layers interposed therebetween. The lower electrode and the first electrode layer have the same polarity as each other, and surface roughness of the first and second electrode layers is less than that of the dielectric layers, thereby securing capacitance and characteristics of the dielectric layers.

Thin film capacitor and manufacturing method thereof

A thin film capacitor includes a body including alternately stacked first and second electrode layers and dielectric layers on a substrate, the second electrode layer including a second lower electrode layer and a second upper electrode layer formed on the second lower electrode layer, the second lower electrode layer including a material having a higher band gap energy than the first electrode layer and the second upper electrode layer.

Thin film capacitor

A thin film capacitor includes a capacitor body formed by alternately stacking first and second electrode layers and a dielectric layer on a substrate, and having the second electrode layer disposed in an uppermost portion thereof, and a stress alleviation layer formed on the uppermost second electrode layer. The stress alleviation layer is formed of a material having a coefficient of thermal expansion higher than those of the substrate and the dielectric layer.

A thin-film capacitor includes a body having a plurality of dielectric layers and first and second electrode layers alternately stacked on a substrate, first and second electrode pads disposed on one surface of the body, a plurality of vias having a multistage shape being disposed in the body, a first via of the plurality of vias connects the first electrode layer to the first electrode pad, and penetrates from the surface of the body to a first lowermost electrode layer adjacent the substrate, a second via of the plurality of vias connects the second electrode layer to the second electrode pad, and penetrates from the surface of the body to a second lowermost electrode layer adjacent the substrate and an upper surface of the first electrode layer is exposed in the first via, and an upper surface of the second electrode layer is exposed in the second via.

Thin-film capacitor

A piezoelectric oscillator, and method of making the same, includes an oscillation substrate comprising an oscillating part and a surrounding part, wherein the surrounding part is thinner than the oscillating part, and oscillating electrodes disposed on an upper surface and a lower surface of the oscillating part. The oscillation substrate is configured according to H=400.59&#xd7;S+1.75&#xb1;1.5, wherein H=100&#xd7;(T/T) and S=T/(L&#x2212;L), wherein Lrepresents an entire length of the oscillation substrate, Lrepresents a length of the oscillating part, Trepresents a thickness of the oscillating part, and Trepresents a step height between the oscillating part and the surrounding part.

Piezoelectric oscillator and method of making the same

A thin film capacitor includes a body having first and second electrode layers and first and second dielectric layers alternately stacked on a substrate. A thickness of the first dielectric layer is 1.2 to 3 times that of the second dielectric layer. Therefore, leakage current characteristics of the dielectric layers may be improved, and capacitance of the thin film capacitor may be secured.

Thin film capacitor including alternatively disposed dielectric layers having different thicknesses

A thin-film ceramic capacitor includes: a body in which a plurality of dielectric layers and first and second electrode layers are alternately disposed on a substrate; and first and second electrode pads disposed on an external surface of the body. The dielectric layer contains a mixed phase of a perovskite phase having ferroelectric properties and a pyrochlore phase having paraelectric properties, the pyrochlore phase being disposed on interfaces between the dielectric layers and the first and second electrode layers in lower portions of the dielectric layers.

Thin-film ceramic capacitor

A lens driving device includes a fixed member, a movable member configured to move with respect to the fixed member, a lens disposed in or on the moveable member, a connection member connecting the fixed member to the movable member, and a protective member disposed on a connection portion. The connection portion is between the fixed member and the connection member or between the movable member and the connection member.

Lens driving device

Disclosed herein is a polling system, including: a matrix element including individual elements including upper electrodes and lower electrodes, the individual elements being arrayed in plural, the upper electrodes of the individual elements being each connected in series to form upper electrode units which are arrayed in plural and the lower electrodes of the individual elements being each connected in series to form lower electrode units which are arrayed in plural; an upper switch connected to each of the upper electrode units which is arrayed in plural; a lower switch connected to each of the lower electrode units which is arrayed in plural; and a polling unit performing polling to apply voltage to the upper electrodes and the lower electrodes, respectively.

Polling system and polling method using the same

Disclosed herein is an inertial sensor. The inertial sensoraccording to preferred embodiments of the present invention includes: a membrane; a mass bodydisposed under the membrane; a piezoelectric bodyformed on the membraneto drive the mass body; and trenchesformed by being collapsed in a thickness direction of the piezoelectric bodyso as to vertically meet a direction in which the mass bodyis driven. By this configuration, the trenches are formed by being collapsed in a thickness direction of the piezoelectric bodyto provide directivity while retaining the rigidity of the piezoelectric bodyto prevent a wave from being propagated in an unnecessary direction, thereby driving the inertial sensorin a desired specific direction.

Growing community of inventors

Suwon-si, South Korea

Kyo Yeol Lee