公开(公告)号：US20230352104A1

公开(公告)日：2023-11-02

申请号：US18191858

申请日：2023-03-28

Applicant: SK hynix Inc. ,  Korea Advanced Institute of Science and Technology

Inventor： Jung Woo LEE ,  Yang Kyu CHOI ,  Ji Man YU

IPC: G11C16/04 ,  G11C16/14 ,  H01L29/06 ,  H01L29/775 ,  G11C16/34 ,  G11C16/10 ,  H01L29/423

CPC classification number: G11C16/3404 ,  G11C16/0466 ,  G11C16/10 ,  G11C16/14 ,  H01L29/0673 ,  H01L29/4234 ,  H01L29/42392 ,  H01L29/775

Abstract: A nonvolatile memory device and an operating method thereof are disclosed. An operating method of a nonvolatile memory device may comprise providing the nonvolatile memory device including a memory transistor, the memory transistor including a source, a drain, a channel disposed between the source and the drain, and a first insulating layer, a charge storage layer, a second insulating layer, and a gate which are sequentially disposed on the channel, and curing the memory transistor by removing charges or traps existing at least at an interface between the channel and the first insulating layer by generating a gate induced drain leakage (GIDL) current on the drain side of the memory transistor and using Joule heating caused by the GIDL current.

公开(公告)号：US20230390790A1

公开(公告)日：2023-12-07

申请号：US18248950

申请日：2021-10-08

Applicant: JMICRO INC. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY ,  DONGSHIN UNIVERSITY INDUSTRY-ACADEMY COOPERATION

Inventor： Seung Seob LEE ,  Ji Hun JEONG ,  Jin Young CHOI ,  Jung Woo LEE

IPC: B05B5/025 ,  B05B5/16 ,  H01M8/04119

CPC classification number: B05B5/025 ,  B05B5/16 ,  H01M8/04126

Abstract: Provided are an electrostatic spray nozzle film and an electrostatic spray system. The electrostatic spray nozzle film includes a first film including a first base layer and a plurality of nozzles in such a configuration that each of the plurality of nozzles protrudes outward from a surface of the first base layer, has a truncated column shape, and has a first opening therein penetrating through the first base layer; a second film including a second base layer positioned on the first film and a plurality of surrounding electrodes positioned on the second base layer and corresponding to the nozzles, respectively; and a third film positioned on the second film and having a flow path through which water for an electrostatic spray flows, wherein in a plain view, the plurality of surrounding electrodes are arranged to surround the nozzles, respectively, and a same voltage is applied to the plurality of surrounding electrodes.

公开(公告)号：US20230390438A1

公开(公告)日：2023-12-07

申请号：US18249073

申请日：2021-10-08

Applicant: JMICRO INC. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY ,  DONGSHIN UNIVERSITY INDUSTRY-ACADEMY COOPERATION

Inventor： Seung Seob LEE ,  Ji Hun JEONG ,  Jin Young CHOI ,  Jung Woo LEE

IPC: A61L2/10 ,  A61L2/18 ,  A61L2/22

CPC classification number: A61L2/10 ,  A61L2/18 ,  A61L2202/15 ,  A61L2202/11 ,  A61L2202/122 ,  A61L2/22

Abstract: Provided is a sterilizing device including a wall portion defining an inner space together with a floor where an article to be sterilized and disinfected is located, and a cover located on the wall portion and covering the inner space, wherein each of the cover and the wall portion includes a first film having a plurality of micro nozzles for electrostatically spraying water into the inner space, and light-emitting elements for irradiating ultraviolet light to the article.

公开(公告)号：US20170054138A1

公开(公告)日：2017-02-23

申请号：US14978958

申请日：2015-12-22

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jeung Ku KANG ,  Gyu Heon LEE ,  Jung Woo LEE ,  Sang Jun KIM

IPC: H01M4/04 ,  H01M10/0525 ,  H01M4/133 ,  H01M4/48 ,  H01M4/62

CPC classification number: H01M4/0428 ,  C01B32/186 ,  C01G23/053 ,  C01P2004/04 ,  C01P2004/64 ,  C01P2006/16 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/625 ,  H01M10/0525

Abstract: Disclosed is a negative electrode material for a lithium secondary battery, using a layer structure of porous graphene and metal oxide nanoparticles, with remarkably fast charge/discharge characteristics and long cycle life characteristics, wherein macropores of the porous graphene and a short diffusion distance of the metal oxide nanoparticles enable rapid migration and diffusion of lithium ions. The present invention may achieve remarkably fast charge/discharge behaviors and exceedingly excellent cycle life characteristics of 10,000 cycles or more even under a current density of 30,000 mA·g−1. Accordingly, the structure of the present invention may implement very rapid charge/discharge characteristics and stable cycle life characteristics while having high capacity by combining the structure with negative electrode nanostructures of the porous graphene network structure, and thereby being widely used in a variety of applications.

Abstract translation: 公开了一种使用多孔石墨烯和金属氧化物纳米粒子的层结构的锂二次电池用负极材料，具有非常快的充电/放电特性和较长的循环寿命特性，其中多孔石墨烯的大孔和短的扩散距离 金属氧化物纳米粒子能够快速迁移和扩散锂离子。 即使在30000mA·g-1的电流密度下，本发明也可以实现10,000次以上的充分/放电特性的极快的循环寿命特性。 因此，本发明的结构可以通过将结构与多孔石墨烯网络结构的负极纳米结构组合而具有高容量而实现非常快的充电/放电特性和稳定的循环寿命特性，从而广泛应用于各种应用中 。