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    CLEANING DEVICE
    2.
    发明申请
    CLEANING DEVICE 有权
    清洁装置

    公开(公告)号：US20150173577A1

    公开(公告)日：2015-06-25

    申请号：US14524603

    申请日：2014-10-27

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyun Joo Kim ,  Sang Won Lee ,  Dong Suk Ko ,  Jin Hyung Park ,  Eung Ryeol Seo ,  Hyeon Joon Oh ,  Joo Yong Lee ,  Jae Ho Choi ,  Kwang Su Heo

    IPC: A47L9/22

    CPC classification number: A47L9/22 ,  A47L9/0081 ,  A47L2201/00 ,  F04D29/4206 ,  F04D29/444 ,  F04D29/626 ,  F05D2250/52

    Abstract: A cleaning device includes an improved structure in which cleaning performance can be improved. The cleaning device includes an inhalation unit to generate inhalation force to inhale air into a main body, wherein the inhalation unit includes: an impeller that is rotatable; an impeller cover having an inlet damper formed therein; and a return channel coupled to the impeller cover so that the impeller can be accommodated in the return channel, wherein the return channel includes: an inner frame; and an outer frame placed at an outer side of the inner frame so as to be spaced apart from the inner frame, and a plurality of wings are disposed between the inner frame and the outer frame.

    Abstract translation: 清洁装置包括改进的结构，其中可以提高清洁性能。 清洁装置包括吸入单元以产生将空气吸入主体的吸入力，其中吸入单元包括：可旋转的叶轮; 其中形成有入口阻尼器的叶轮盖; 以及联接到所述叶轮盖的返回通道，使得所述叶轮可以容纳在所述返回通道中，其中所述返回通道包括：内框架; 以及设置在所述内框架的外侧以与所述内框架间隔开的外框架，并且在所述内框架和所述外框架之间设置有多个翼片。

    SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR MANUFACTURING THE SAME
    3.
    发明申请
    SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR MANUFACTURING THE SAME 有权

    公开(公告)号：US20230128492A1

    公开(公告)日：2023-04-27

    申请号：US18049732

    申请日：2022-10-26

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Seongkeun CHO ,  Hee Young Park ,  Jin Hyung Park ,  Kun Tack Lee ,  Jung Hyuk Jang ,  Chun Hyung Chung

    IPC: H01L27/108

    Abstract: There is provided a semiconductor memory device capable of improving the performance and/or the reliability of a device. The semiconductor memory device includes a substrate having a cell area and a peripheral area defined along a periphery of the cell area, wherein the cell area includes an active area defined by a cell element separation film, a cell area separation film in the substrate and defining the cell area, and a plurality of storage contacts connected to the active area, and arranged along a first direction. The plurality of storage contacts includes a first storage contact, a second storage contact, and a third storage contact, wherein the second storage contact is between the first storage contact and the third storage contact, each of the first storage contact and the third storage contact contains or surrounds or defines an airgap, and the second storage contact is free of an airgap.

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