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    • 96. 发明授权
    • Electric spinning apparatus for mass-production of nano-fiber
    • 用于大规模生产纳米纤维的电纺丝设备
    • US07980838B2
    • 2011-07-19
    • US12078003
    • 2008-03-26
    • Jong-Chul Park
    • Jong-Chul Park
    • D01D5/00D04H3/03
    • D01D5/0069B82Y30/00
    • The present invention relates to an electrospinning apparatus for mass-production of nanofibers, particularly to an electrospinning apparatus with an electric stability and an improved nozzle blocks. The bottom-up electrospinning apparatus for the mass-production of nanofiber comprises at least one nozzle block having a plurality of spinning nozzles arranged in the horizontal and vertical direction; a collector installed over the nozzle blocks in order to correspond to the nozzle blocks and maintain a certain distance in between; a power source to apply voltage difference between the nozzle block and the collector; and a spinning solution container to supply the spinning solution to the nozzle block, wherein the nozzle block and the collector are connected to the positive terminal and the negative terminal, respectively and among a plurality of spinning nozzles arranged along the horizontal line, a spinning nozzle in the middle and a spinning nozzle in the end have different height.
    • 本发明涉及一种用于批量生产纳米纤维的静电纺丝装置,特别涉及具有电稳定性和改进的喷嘴块的静电纺丝装置。 用于批量生产纳米纤维的自下而上的静电纺丝装置包括至少一个具有在水平和垂直方向上布置的多个纺丝喷嘴的喷嘴块; 安装在喷嘴块上的收集器,以便对应于喷嘴块并在其间保持一定的距离; 用于施加喷嘴块和收集器之间的电压差的电源; 以及将纺丝溶液供给到喷嘴块的纺丝溶液容器,其中喷嘴块和集电器分别连接到正极端子和负极端子,并且沿着水平线布置的多个纺丝喷嘴中,纺丝喷嘴 在中间和纺纱喷嘴的末端有不同的高度。
    • 99. 发明申请
    • METHOD OF FORMING A RECESS CHANNEL TRENCH PATTERN, AND FABRICATING A RECESS CHANNEL TRANSISTOR
    • 形成记忆通道图案的方法和制作记录道信道
    • US20090206399A1
    • 2009-08-20
    • US12430831
    • 2009-04-27
    • Jong-Chul PARKYong-Sun KOTae-Hyuk AHN
    • Jong-Chul PARKYong-Sun KOTae-Hyuk AHN
    • H01L29/78
    • H01L29/66621H01L21/28123H01L21/823412H01L21/823437H01L27/10808H01L27/10876
    • A method of forming a recess channel trench pattern for forming a recess channel transistor is provided. A mask layer is formed on a semiconductor substrate, which is then patterned to expose an active region and a portion of an adjacent device isolating layer with an isolated hole type pattern. Using this mask layer the semiconductor substrate and the device isolating layer portion are selectively and anisotropically etched, thereby forming a recess channel trench with an isolated hole type pattern. The mask layer may be patterned to be a curved line type. In this case, the once linear portion is curved to allow the device isolating layer portion exposed by the patterned mask layer to be spaced apart from an adjacent active region. The semiconductor substrate and the device isolating layer portion are then etched, thereby forming a recess channel trench with a curved line type pattern.
    • 提供一种形成用于形成凹槽通道晶体管的凹槽沟槽图案的方法。 掩模层形成在半导体衬底上,然后将其图案化以暴露具有隔离孔型图案的有源区和相邻器件隔离层的一部分。 使用该掩模层,半导体衬底和器件隔离层部分被选择性地和各向异性地蚀刻,从而形成具有隔离孔型图案的凹槽沟槽。 掩模层可以被图案化为曲线型。 在这种情况下,一次线性部分是弯曲的,以允许由图案化掩模层露出的器件隔离层部分与相邻的有源区域间隔开。 然后蚀刻半导体衬底和器件隔离层部分,从而形成具有曲线型图案的凹槽沟槽。