Samsung Electronics Co., Ltd.

Toshiba Memory Corporation

Kabushiki Kaisha Toshiba

Other

Skhynix Inc.

Yasuyuki Sonoda

Yukinori Nakagawa

Yasumasa Nagasaki

Hidekazu Funakoshi

Hiroshi Katsumoto

Masaki Oshige

Masatoshi Yoshikawa

Koji Yamakawa

Katsuaki Natori

Daisuke Ikeno

Tomonori Ueno

Masahiko Nakayama

Kazuhiro Tomioka

Shuichi Tsubata

Yutaka Hashimoto

Taro Yoshida

Kenji Kitajima

Hiroyuki Miyake

Toshihiko Nagase

Tadashi Kai

Minoru Yoshida

Hiroaki Yoda

Daisuke Watanabe

Kyoichi Suguro

Atsuko Sakata

Kazuya Sawada

Masahiko Hasunuma

Hiroshi Toyoda

Youngmin Eeh

Tadaaki Oikawa

Kenichi Yoshino

Kenji Noma

Kuniaki Sugiura

Satoshi Seto

Takao Ochiai

Soichi Yamashita

Min Suk Lee

Toshihiro Kamii

Katsuyuki Shimakage

Takehiro Nakanishi

Tomoyuki Okuno

Bo Kyoung Jung

Nobuharu Nishikoori

Yoshinori Takashima

Yuji Akita

Nakagawa Yukinori

Ji Hwan Hwang

Hiroshi Wanatabe

Yasmasa Nagasaki

A washing machine and a driver (e.g., a drive unit) suitable for the washing machine are provided. The driver includes a motor to rotate a shaft supported by a unit base, and a reducer interposed between the shaft and the motor. The motor and the reducer are integrally formed to be aligned in a line along a direction perpendicular to a rotation axis.

Washing machine

According to one embodiment, a method of manufacturing a memory device includes forming a first layer stack and a second layer stack at an interval on a foundation, and forming a first insulator that includes a first portion on a side surface of the first layer stack, a second portion on a side surface of the second layer stack, and a third portion on the foundation between the first and second layer stacks. Part of the first portion of the first insulator and part of the second portion are thinned with an ion beam while leaving the third portion of the first insulator. A second insulator is formed between the first and second portions of the first insulator.

Memory device and method of manufacturing the same

A washing machine capable of independently driving two rotors using one inverter in a simple configuration without supplying a composite current includes an outer rotor having a plurality of switching magnets arranged at intervals in the circumferential direction, and an inner rotor having a plurality of stationary magnets arranged to be radially arranged at intervals in the circumferential direction. When a magnetizing current is supplied to the coil of the stator, the magnetic pole of the switching magnet is inverted and the number of the poles of the outer rotor is switched.

Disclosed herein is a washing machine. The washing machine includes a housing provided with an inlet for laundry disposed on a front surface thereof, a water tub provided inside of the housing and configured to store water, a drum rotatably provided inside of the water tub, a pulsator provided inside of the drum and configured to be rotated independently of the drum, a motor provided with a stator, and a first and second rotor connected to the drum and the pulsator, respectively, and at least one processor configured to apply a q-axis current to the stator to rotate the second rotor and configured to apply a d-axis current to the stator to rotate the first rotor based on a phase difference between the first rotor and the second rotor.

Washing machine and control method of the same

The present disclosure includes a washing machine including an inner rotor and an outer rotor. An outer rotor and an inner rotor may be rotated in a synchronous rotation mode or a counter rotation mode by converting the number of magnetic poles of the outer rotor. When the outer rotor becomes inoperable when the outer rotor is set to the number of magnetic poles for performing the counter rotation mode, it is converted to the number of magnetic poles for performing the synchronous rotation mode while the outer rotor is stopped.

Washing machine and motor

A motor has a two rotors which are independently operated using a single inverter and without being supplied with a complex current. Further the motor is capable of shifting a rotation direction of each of two rotors by performing a magnetizing operation one time and reversing polarities of the shifting magnets when a mode of the motor is shifted from a synchronous mode in which the first rotor and the second rotor rotate in the same direction to a counter mode in which the first rotor and the second rotor rotate in opposite directions, and shifting the mode of the motor to the counter mode while the magnetizing operation is performed one time times and relative positions of the first rotor and the second rotor are changed when the first rotor and the second rotor inertially rotate in the synchronous mode.

Motor and method of controlling motor, washing machine having motor

According to one embodiment, a magnetic memory device includes a stacked structure including a magnetic layer, a first insulating layer covering the stacked structure and including a protrusion based on the stacked structure, a second insulating layer provided on the first insulating layer, and an electrode connected to the stacked structure. The first insulating layer has a first hole passing through the first insulating layer, the electrode is connected to the stacked structure at least through the first hole, the second insulating layer has a second hole inside of which a part of the electrode and the protrusion are provided, and the second hole includes a part whose area increases toward the stacked structure.

Magnetic memory device and manufacturing method thereof

Disclosed is a motor improved to increase a magnetization property. The motor includes a stator including a plurality of teeth arranged to be spaced apart in a circumferential direction and a rotor configured to include a plurality of magnets arranged inside or outside the stator and to rotate while electromagnetically interacting with the stator. The plurality of teeth include first teeth having a first cross section and second teeth having a second cross section larger than the first cross section and is configured to switch at least one magnetic pole of the plurality of magnets by using the second teeth.

Motor

Provided is a washing machine including: a stator including a coil; a rotor including a plurality of variable magnets each having a magnetic force variable, and rotatable with respect to the stator; a controller configured to control an energizing of the coil to increase or decrease a magnetic force of the variable magnet; and a plurality of position sensors each having a output voltage changed according to a magnetic flux of the variable magnet.

Motor and washing machine having the same

According to one embodiment, a magnetic memory device includes a lower structure, a stacked structure provided on the lower structure and including a first magnetic layer having a variable magnetization direction, a second magnetic layer having a fixed magnetization direction, and a nonmagnetic layer provided between the first magnetic layer and the second magnetic layer, and a first sidewall insulating layer which is provided along a sidewall of the stacked structure and whose per end is located lower than an upper surface of the nonmagnetic layer.

Magnetic memory device

Provided is a washing machine motor capable of efficiently generating torque by improving a winding factor of coils with a relatively simple configuration. The washing machine motor () has an outer rotor (), an inner rotor (), and a stator (). The outer rotor () and the inner rotor () share coils () of the stator (), and a composite current is supplied to the coils () such that the outer rotor () and the inner rotor () are independently driven. The outer rotor () has forty eight outer magnets () arranged such that the N and S poles thereof are continuously and alternately aligned in the circumferential direction thereof. The inner rotor () has forty-two inner magnets () arranged such that the N and S poles thereof are continuously and alternately aligned in the circumferential direction thereof. The stator () has thirty-six I-shaped cores () and the coils ().

Washing machine motor and washing machine having same

Disclosed is a home appliance including a claw pole type motor, the claw pole type motor include a first core including a first core main body disposed on a rotary shaft, a first elongation portion disposed in the center portion of the first core main body and extending in the axial line direction of the rotary shaft, and a plurality of first claw poles disposed in the edge portion of the first core main body and extending in the axial line direction of the rotary shaft and a second core including a second core main body disposed on the rotary shaft, and a plurality of second claw poles disposed in the edge portion of the second core main body and extending in the axial line direction of the rotary shaft and a third core including a third core main body disposed on the rotary shaft, a second elongation portion disposed in the center portion of the third core main body and extending in the axial line direction of the rotary shaft, and a plurality of third claw poles disposed in the edge portion of the third core main body and extending in the axial line direction of the rotary shaft, wherein the second core further comprises a surrounding member disposed in the center portion of the second core main body and surrounding the first elongation portion and the second elongation portion.

Claw pole type motor and home appliance including same

Provided is a high-powered low profile motor. The motor includes a stator () facing a rotor () while having a gap from the rotor (). The stator () includes a ring-shaped connection core () formed by connecting a plurality of divided cores () and an insulator () formed as if surrounding the connection core () by resin molding by an insertion forming. An inner diameter (r) of the connection core () is set smaller than inner diameters (R) of the divided cores () bent in a half moon shape when connected.

Motor with stiffened stator core, manufacturing method thereof, and washing machine including the motor

According to an embodiment, a semiconductor storage device includes a substrate. A stack is provided above the substrate, and includes a resistance change element and a metal layer provided above the resistance change element. A first insulating layer is provided on a side surface of the stack. A second insulating layer is provided on the first insulating layer. And an electrode is provided on the metal layer and on the first insulating layer so as to extend along a stacking direction in the second insulating layer. A lower surface of the electrode as viewed in the direction has a diameter greater than a diameter of an upper surface of the stack as viewed in the direction. A lowermost portion of the electrode is at a same level as an uppermost portion of the metal layer as viewed in the direction.

Semiconductor storage device and method of manufacturing the same

According to one embodiment, an insulating layer is formed on a substrate. A hole is formed in the insulating layer. A metal layer is formed in the hole to fill the hole. A surface of the insulating layer and a surface of the metal layer is removed by etching with ion beams having a first angle, which etches both the insulating layer and the metal layer at a first etching rate. A resistance change element is formed on the metal layer.

Method of manufacturing semiconductor memory device

Growing community of inventors

Seoul, South Korea

Yasuyuki Sonoda