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    TEST CHAMBER FOR MEMORY DEVICE, TEST SYSTEM FOR MEMORY DEVICE HAVING THE SAME AND METHOD OF TESTING MEMORY DEVICES USING THE SAME
    11.
    发明申请
    TEST CHAMBER FOR MEMORY DEVICE, TEST SYSTEM FOR MEMORY DEVICE HAVING THE SAME AND METHOD OF TESTING MEMORY DEVICES USING THE SAME 审中-公开

    公开(公告)号：US20190285695A1

    公开(公告)日：2019-09-19

    申请号：US16182148

    申请日：2018-11-06

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Min-Woo Kim ,  Chang-ho Lee ,  Jin-Ho Choi

    IPC: G01R31/28

    Abstract: A test system for a memory device includes: a chamber including at least one test socket column having a plurality of test sockets arranged in a first direction, wherein memory devices to be tested are in respective ones of the plurality of test sockets, a temperature adjusting apparatus configured to supply air into the chamber according to a temperature control signal to control a temperature of the chamber, a test device electrically connected to the test sockets and configured to test the memory devices, and a temperature controller configured to receive temperature information of the memory devices from temperature sensors of the memory devices and to output to the temperature adjusting apparatus the temperature control signal to compensate for a temperature difference between a detected temperature of the memory devices and a target temperature.

    Transmitter circuit and receiver circuit for operating under low voltage
    14.
    发明授权
    Transmitter circuit and receiver circuit for operating under low voltage 有权

    公开(公告)号：US10523204B2

    公开(公告)日：2019-12-31

    申请号：US15896280

    申请日：2018-02-14

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Kyunghoi Koo ,  Sanghune Park ,  Jin-Ho Choi

    IPC: H03K19/00 ,  H03K19/17 ,  H03K19/0185 ,  H03K19/0175 ,  H03K19/003 ,  G11C7/10

    Abstract: A transmitter circuit including a pre-driver circuit configured to receive a logic signal from a logic circuit and to generate a first signal driven by a first voltage, the pre-driver circuit including a transistor having a threshold voltage equal to or lower than a threshold voltage of a transistor included in the logic circuit, and a main-driver circuit configured to receive the first signal and generate a second signal driven by a second voltage, the main-driver circuit configured to output the second signal to an input/output pad, the main-driver circuit including a transistor having a threshold voltage which is equal to or lower than the threshold voltage of the transistor included in the logic circuit may be provided.

    Semiconductor device and memory controller receiving differential signal
    16.
    发明授权
    Semiconductor device and memory controller receiving differential signal 有权

    公开(公告)号：US10431268B2

    公开(公告)日：2019-10-01

    申请号：US15679335

    申请日：2017-08-17

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jin-Ho Choi ,  Seok-Kyun Ko ,  Sang-Hune Park

    IPC: G11C7/10 ,  G06F3/06 ,  G11C29/02

    Abstract: A semiconductor device receiving a differential data strobe signal and a method of operating the same are provided. The semiconductor device includes a differential signal phase detector receiving a differential signal including a first signal and a second signal, detecting a phase of the differential signal, and generating a mode control signal; and a receiver receiving the differential signal and a reference voltage and performing a processing operation using the differential signal in a differential mode or using the first signal and the reference voltage in a single mode according to the mode control signal. The semiconductor device may be a memory controller. Data transfer may be disabled in the single mode to prevent false data recognition due to noise.

    Semiconductor chip including a plurality of pads
    17.
    发明授权
    Semiconductor chip including a plurality of pads 有权

    公开(公告)号：US10115706B2

    公开(公告)日：2018-10-30

    申请号：US15277339

    申请日：2016-09-27

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Kwanyeob Chae ,  Sanghoon Joo ,  Jong-Ryun Choi ,  Jin-Ho Choi

    IPC: H01L23/58 ,  H01L25/065 ,  H01L23/50 ,  H01L23/60 ,  H01L23/00

    Abstract: A semiconductor chip including a plurality of input/output units includes: a plurality of additional pads disposed on a surface of the semiconductor chip, wherein the plurality of additional pads include at least one of a first additional pad to which a ground voltage is applied and a second additional pad to which a power supply voltage is applied; and a plurality of pads disposed on the surface of the semiconductor chip, wherein the plurality of pads include at least one of a first pad to which the ground voltage is applied and a second pad to which the power supply voltage is applied, and further include a third pad through which a signal is input and/or output. The at least one of the first additional pad and the second additional pad is disposed on an input/output unit where the third pad is disposed, among the plurality of input/output units.

    X-RAY DETECTOR, AND X-RAY IMAGING APPARATUS HAVING THE SAME
    18.
    发明申请
    X-RAY DETECTOR, AND X-RAY IMAGING APPARATUS HAVING THE SAME 审中-公开

    公开(公告)号：US20180008216A1

    公开(公告)日：2018-01-11

    申请号：US15644642

    申请日：2017-07-07

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Dae Soo Kim ,  Kyoung Choul Jang ,  Jin-Ho Choi ,  Seong Hwa Park

    IPC: A61B6/00 ,  A61B6/10

    CPC classification number: A61B6/4283 ,  A61B6/102 ,  A61B6/4241 ,  A61B6/4452 ,  A61B6/4464

    Abstract: Disclosed herein are an X-ray detector having impact resistance, and an X-ray imaging apparatus including the same. An X-ray detector for detecting X-rays irradiated from an X-ray source includes a case having at least one opening and a sensing panel configured to convert the X-rays irradiated from the X-ray source into an electrical signal. A frame detachably inserted into the inside of the case through the at least one opening. The frame includes a body on which the sensing panel is disposed and a plurality of legs extending from the edges of the body in a first direction of the X-ray detector. A plurality of buffer members disposed between the plurality of legs and the case and in close contact with the plurality of legs and the case while surrounding a plurality of surfaces of each of the plurality of legs.

    Mammography apparatus
    19.
    发明授权
    Mammography apparatus 有权

    公开(公告)号：US09655578B2

    公开(公告)日：2017-05-23

    申请号：US14844106

    申请日：2015-09-03

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Han Ju Nam ,  Jin-Ho Choi

    IPC: A61B6/00 ,  A61B6/04

    CPC classification number: A61B6/502 ,  A61B6/0414 ,  A61B6/4476

    Abstract: There is provided a mammography apparatus capable of delivering a greater load when a breast is released than a load delivered when the breast is compressed by a compression paddle. A mammography apparatus includes a main body having an X-ray generating unit and an X-ray detecting unit, wherein the main body includes a ball screw extending in a vertical direction, a gear unit configured to receive a driving force and be vertically movable along the ball screw, a compression paddle connected to the gear unit and configured to move down in a direction in which the ball screw extends to compress a subject, a handgrip configured to manipulate the compression paddle to be vertically movable, and a power transmission device configured to deliver a driving force delivered from the handgrip to the gear unit, and the power transmission device includes a torque limiter configured to deliver a restricted driving force to the gear unit and a one-way clutch configured to deliver a driving force only when the gear unit moves in one direction.

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