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公开(公告)号:US20240110883A1
公开(公告)日:2024-04-04
申请号:US18464772
申请日:2023-09-11
Inventor: Seungeon MOON , JEONG HUN KIM , Jong Pil IM
IPC: G01N27/12
CPC classification number: G01N27/125
Abstract: Disclosed are a MEMS gas sensor and a manufacturing method thereof. The MEMS gas sensor includes a substrate having a recess, a membrane disposed in the recess and having a through-hole configured to expose a portion of a top surface of the substrate, which is disposed at a central portion of the recess, sensing electrodes disposed in the membrane, and a sensing layer disposed on each of bottom and top surfaces of the membrane and disposed in the through-hole.
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公开(公告)号:US20220140649A1
公开(公告)日:2022-05-05
申请号:US17396271
申请日:2021-08-06
Inventor: Jong Pil IM , Jeong Hun KIM , Seungeon MOON
Abstract: Disclosed are a wireless device capable of being self-powered and an operating method thereof. The wireless device includes an energy harvesting module that generates electrical energy based on energy supplied from an outside, a power management module that generates a voltage based on the electrical energy provided from the energy harvesting module, a user input interface that includes at least one input device sensing an input of a user, and a communication module that transfers a command corresponding to the at least one input device to the outside based on the voltage provided from the power management module, in response to that the at least one input device is accessed by the user.
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公开(公告)号:US20210134813A1
公开(公告)日:2021-05-06
申请号:US17089286
申请日:2020-11-04
Applicant: Electronics and Telecommunications Research Institute , University-Industry Cooperation Group of Kyung Hee University
Inventor: Seungeon MOON , Bae Ho PARK , Sung-Min YOON , Seung Youl KANG , Jeong Hun KIM , Jiyong WOO , Jong Pil IM , Chansoo YOON , Ji Hoon JEON
IPC: H01L27/11507 , H01L27/11504 , H01L49/02
Abstract: The present disclosure relates to a memory device, and more particularly, to a memory device including a substrate, a plurality of vertical structures disposed on the substrate and including insulation layers and lower electrodes, which are alternately laminated with each other, wherein the vertical structures are aligned in a first direction parallel to a top surface of the substrate and a second direction crossing the first direction, an upper electrode disposed on a top surface and side surfaces of each of the vertical structures, and a first dielectric layer disposed between the upper electrode and the vertical structures to cover the top surface and the side surfaces of each of the vertical structures. Here, the first dielectric layer includes a ferroelectric material.
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公开(公告)号:US20170141578A1
公开(公告)日:2017-05-18
申请号:US15339567
申请日:2016-10-31
Inventor: Jong Pil IM
Abstract: A multi-input power manager includes: first to n-th maximum power point tracking circuits for respectively receiving first to n-th powers from the outside and controlling voltages of first to n-th nodes to be first to n-th reference voltages based on the first to n-th powers; first to n-th input capacitors which respectively store the first to n-th powers by control of the first to n-th maximum power point tracking circuits, and are respectively connected to the first to n-th nodes; first to n-th transfer switches which are respectively connected to the first to n-th nodes, and output powers respectively stored in the first to n-th input capacitors, responding to first to n-th transfer switching signals; and a transfer switch control circuit which compare the first to n-th reference voltages and the voltages of the first to n-th nodes respectively, and generate the first to n-th transfer switching signals accordingly.
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公开(公告)号:US20170134060A1
公开(公告)日:2017-05-11
申请号:US15088920
申请日:2016-04-01
Inventor: Jong Pil IM
IPC: H04B1/3827 , H04W4/00 , H02M3/335
CPC classification number: H04B1/385 , H02M1/088 , H02M3/33546 , H02M3/33569 , H04W4/70
Abstract: An electronic circuit includes an electricity generating element circuit outputting an input voltage and an input current according to a temperature of an electricity generating element, a current detecting circuit detecting the input current, a power tracking control circuit receiving the detected input current, detecting the input voltage, and outputting a control signal, a switch selecting circuit selectively outputting switch selection signals in response to the control signal, a switch circuit adjusting a resistance value of a resistor according to the switch selection signals that are selectively output from the switch selecting circuit, the resistor being connected to an output terminal of the electricity generating element circuit, and a transformer transforming the input voltage to output an increased voltage, wherein the power tracking control circuit adjusts the control signal such that power according to the input current and the input voltage is maintained in a reference ratio.
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