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    • 14. 发明授权
    • Phase-change memory device and method of fabricating the same
    • 相变存储器件及其制造方法
    • US07884347B2
    • 2011-02-08
    • US12425152
    • 2009-04-16
    • Sung Min YoonByoung Gon YuSoon Won JungSeung Yun LeeYoung Sam ParkJoon Suk Lee
    • Sung Min YoonByoung Gon YuSoon Won JungSeung Yun LeeYoung Sam ParkJoon Suk Lee
    • H01L29/06
    • H01L45/1233H01L45/06H01L45/126H01L45/144H01L45/1625H01L45/1683
    • A phase-change memory device in which a phase-change material layer has a multilayered structure with different compositions and a method of fabricating the same are provided. The phase-change memory device includes a first electrode layer formed on a substrate, a heater electrode layer formed on the first electrode layer, an insulating layer formed on the heater electrode layer and having a pore partially exposing the heater electrode layer, a phase-change material layer formed to fill the pore and partially contacting the heater electrode layer, and a second electrode layer formed on the phase-change material layer. The main operating region functioning as a memory operating region is formed of a Ge2Sb2+xTe5 phase-change material to ensure the stability of a memory operation, and simultaneously, the subsidiary regions formed of a Ge2Sb2Te5 phase-change material are disposed respectively on and under the Ge2Sb2+xTe5 main operating region to prevent leakage of thermal energy through an electrode, thereby reducing power consumption.
    • 提供了相变材料层具有不同组成的多层结构的相变存储器件及其制造方法。 相变存储器件包括形成在基板上的第一电极层,形成在第一电极层上的加热电极层,形成在加热器电极层上并具有部分地暴露加热器电极层的孔的绝缘层, 形成为填充孔并且部分地接触加热器电极层的改变材料层和形成在相变材料层上的第二电极层。 作为存储器工作区域的主要工作区域由Ge2Sb2 + xTe5相变材料形成,以确保存储器操作的稳定性,同时由Ge2Sb2Te5相变材料形成的辅助区域分别设置在其上 Ge2Sb2 + xTe5主要工作区域,以防止热能通过电极泄漏,从而降低功耗。
    • 15. 发明申请
    • PHASE-CHANGE MEMORY DEVICE AND METHOD OF FABRICATING THE SAME
    • 相变存储器件及其制造方法
    • US20100012915A1
    • 2010-01-21
    • US12425152
    • 2009-04-16
    • Sung Min YOONByoung Gon YUSoon Won JUNGSeung Yun LEEYoung Sam PARKJoon Suk LEE
    • Sung Min YOONByoung Gon YUSoon Won JUNGSeung Yun LEEYoung Sam PARKJoon Suk LEE
    • H01L47/00H01L21/06
    • H01L45/1233H01L45/06H01L45/126H01L45/144H01L45/1625H01L45/1683
    • A phase-change memory device in which a phase-change material layer has a multilayered structure with different compositions and a method of fabricating the same are provided. The phase-change memory device includes a first electrode layer formed on a substrate, a heater electrode layer formed on the first electrode layer, an insulating layer formed on the heater electrode layer and having a pore partially exposing the heater electrode layer, a phase-change material layer formed to fill the pore and partially contacting the heater electrode layer, and a second electrode layer formed on the phase-change material layer. The main operating region functioning as a memory operating region is formed of a Ge2Sb2+xTe5 phase-change material to ensure the stability of a memory operation, and simultaneously, the subsidiary regions formed of a Ge2Sb2Te5 phase-change material are disposed respectively on and under the Ge2Sb2+xTe5 main operating region to prevent leakage of thermal energy through an electrode, thereby reducing power consumption.
    • 提供了相变材料层具有不同组成的多层结构的相变存储器件及其制造方法。 相变存储器件包括形成在基板上的第一电极层,形成在第一电极层上的加热电极层,形成在加热器电极层上并具有部分地暴露加热器电极层的孔的绝缘层, 形成为填充孔并且部分地接触加热器电极层的改变材料层和形成在相变材料层上的第二电极层。 作为存储器工作区域的主要工作区域由Ge2Sb2 + xTe5相变材料形成,以确保存储器操作的稳定性,同时由Ge2Sb2Te5相变材料形成的辅助区域分别设置在其上 Ge2Sb2 + xTe5主要工作区域,以防止热能通过电极泄漏,从而降低功耗。
    • 16. 发明申请
    • Method and apparatus for discriminating latent fingerprint in optical fingerprint input apparatus
    • 用于鉴别光学指纹输入设备中的潜在指纹的方法和装置
    • US20050141755A1
    • 2005-06-30
    • US11067792
    • 2005-02-28
    • Hwi-Seok LeeSoon-Won JungJae-Hyun Jun
    • Hwi-Seok LeeSoon-Won JungJae-Hyun Jun
    • G01B11/24G06K9/00G06T1/00G06T7/00
    • G06K9/00013
    • A method and an apparatus for distinguishing a latent fingerprint is provided to prevent a fingerprint recognition apparatus from mis-recognizing a latent fingerprint as a fingerprint of a biomass due to a fingerprint residual on an imaging surface of an optical fingerprint input apparatus. According to the present invention, there is provided a backlight control device for controlling switching on and off of the backlight; an image acquisition device for acquiring a fingerprint image without illuminating the backlight onto the imaging surface; a fingerprint detection device for detecting the existence of a fingerprint from the image acquired by the image acquisition device; and a device for determining that the fingerprint, if detected by the fingerprint detection device, is a latent fingerprint detected due to an external light.
    • 提供了用于区分潜在指纹的方法和装置,以防止指纹识别装置由于光学指纹输入装置的成像表面上的指纹残留而误认为潜在指纹作为生物质的指纹。 根据本发明,提供了一种用于控制背光的接通和断开的背光控制装置; 用于获取指纹图像而不将所述背光照射到所述成像表面上的图像获取装置; 指纹检测装置,用于从由图像获取装置获取的图像中检测指纹的存在; 以及用于确定如果由指纹检测装置检测到的指纹是由于外部光检测到的潜在指纹的装置。
    • 18. 发明授权
    • Nonvolatile programmable switch device using phase-change memory device and method of manufacturing the same
    • 使用相变存储器件的非易失性可编程开关器件及其制造方法
    • US08445887B2
    • 2013-05-21
    • US12428628
    • 2009-04-23
    • Sung Min YoonByoung Gon YuSoon Won JungSeung Yun LeeYoung Sam ParkJoon Suk Lee
    • Sung Min YoonByoung Gon YuSoon Won JungSeung Yun LeeYoung Sam ParkJoon Suk Lee
    • H01L45/00
    • H01L45/1226H01L45/06H01L45/1206H01L45/144H01L45/1625H01L45/1675
    • A nonvolatile programmable switch device using a phase-change memory device and a method of manufacturing the same are provided. The switch device includes a substrate, a first metal electrode layer disposed on the substrate and including a plurality of terminals, a phase-change material layer disposed on the substrate and having a self-heating channel structure, the phase-change material layer having a plurality of introduction regions electrically contacting the terminals of the first metal electrode layer and a channel region interposed between the introduction regions, an insulating layer disposed on the first metal electrode layer and the phase-change material layer, a via hole disposed on the first metal electrode layer, and a second metal electrode layer disposed to fill the via hole. The switch device performs memory operations using resistive heating of a phase-change material without an additional heater electrode, thereby minimizing thermal loss due to thermal conductivity of a metal electrode to reduce power consumption of the switch device.
    • 提供了一种使用相变存储器件的非易失性可编程开关器件及其制造方法。 开关装置包括基板,设置在基板上的多个端子的第一金属电极层,设置在基板上并具有自加热沟道结构的相变材料层,相变材料层具有 与第一金属电极层的端子和介于导入区域之间的沟道区域电接触的多个导入区域,设置在第一金属电极层和相变材料层上的绝缘层,设置在第一金属 电极层和设置成填充通孔的第二金属电极层。 开关装置利用相变材料的电阻加热来执行存储器操作,而不需要额外的加热器电极,从而最小化由于金属电极的热导率导致的热损失,从而降低开关器件的功耗。