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    • 92. 发明申请
    • METHODS OF FORMING A GATE STRUCTURE
    • 形成门结构的方法
    • US20110171818A1
    • 2011-07-14
    • US13053923
    • 2011-03-22
    • Tae-Ho ChaSeong-Hwee CheongGil-Heyun ChoiByung-Hee KimHee-Sook ParkJong-Min Baek
    • Tae-Ho ChaSeong-Hwee CheongGil-Heyun ChoiByung-Hee KimHee-Sook ParkJong-Min Baek
    • H01L21/336
    • H01L29/42324H01L21/28273H01L21/28282H01L27/10873H01L29/4941H01L29/517
    • A method of forming a gate structure can be provided by forming a tunnel insulation layer on a substrate and forming a floating gate on the tunnel insulation layer. A dielectric layer pattern can be on the floating gate and a control gate can be formed on the dielectric layer pattern, which can be provided by forming a first conductive layer pattern on the dielectric layer pattern. A metal ohmic layer pattern can be formed on the first conductive layer pattern. A diffusion preventing layer pattern can be formed on the metal ohmic layer pattern. An amorphous layer pattern can be formed on the diffusion preventing layer pattern forming a second conductive layer pattern on the amorphous layer pattern. The floating gate can be further formed by forming an additional first conductive layer pattern on the tunnel insulation layer. An additional metal ohmic layer pattern can be formed on the additional first conductive layer pattern. An additional diffusion preventing layer can be formed pattern on the additional metal ohmic layer pattern. An additional amorphous layer pattern can be formed on the additional diffusion preventing layer pattern and an additional second conductive layer pattern can be formed on the additional amorphous layer pattern.
    • 可以通过在衬底上形成隧道绝缘层并在隧道绝缘层上形成浮栅来提供形成栅极结构的方法。 电介质层图案可以在浮动栅极上,并且可以在介电层图案上形成控制栅极,其可以通过在电介质层图案上形成第一导电层图案来提供。 可以在第一导电层图案上形成金属欧姆层图案。 可以在金属欧姆层图案上形成扩散防止层图案。 可以在形成非晶层图案上的第二导电层图案的扩散防止层图案上形成非晶层图案。 可以通过在隧道绝缘层上形成附加的第一导电层图案来进一步形成浮栅。 另外的金属欧姆层图案可以形成在附加的第一导电层图案上。 附加的扩散防止层可以在附加金属欧姆层图案上形成图案。 可以在附加的防扩散层图案上形成附加的非晶层图案,并且可以在附加的非晶层图案上形成附加的第二导电层图案。
    • 99. 发明申请
    • Semiconductor device and method of fabricating the same
    • 半导体装置及其制造方法
    • US20070099365A1
    • 2007-05-03
    • US11586610
    • 2006-10-26
    • Dong-Chan LimByung-hee KimTae-ho ChaHee-sook ParkGeum-jung Seong
    • Dong-Chan LimByung-hee KimTae-ho ChaHee-sook ParkGeum-jung Seong
    • H01L21/8234
    • H01L21/28061H01L21/28114H01L29/42376H01L29/4941H01L29/517H01L29/518H01L29/6656
    • An integrated circuit of a semiconductor device has a line type of pattern that is not prone to serious RC delays. The integrated circuit has a line formed of at least a layer of polycrystalline silicon, a layer of metal having a low sheet resistance, and a layer of a barrier metal interposed between the polycrystalline silicon and the metal having a low sheet resistance, and first spacers disposed on the sides of the line, respectively, and is characterized in that the line has recesses at the sides of the barrier layer and the first spacers fill the recesses. The integrated circuit may constitute a gate line of a semiconductor device. The integrated circuit is formed by forming layers of polycrystalline silicon, metal having a low sheet resistance, and a barrier metal one atop the other, patterning the layers into a line, etching the same to form the recesses, and then forming the first spacers. The etching is preferably a process of etching the barrier layer in situ using an etchant having an etch selectivity between the material of the barrier layer and the materials constituting the other layers of the line.
    • 半导体器件的集成电路具有不易发生严重RC延迟的线型图案。 该集成电路具有由至少一层多晶硅,具有低薄层电阻的金属层和介于多晶硅和具有低薄层电阻的金属之间的阻挡金属层形成的线,以及第一间隔物 分别布置在线的侧面上,其特征在于,线在阻挡层的侧面具有凹槽,并且第一间隔件填充凹部。 集成电路可以构成半导体器件的栅极线。 集成电路通过以下方式形成:将多层硅,具有低薄层电阻的金属和阻挡金属层叠在一起形成,将层图案化成一条线,蚀刻其形成凹部,然后形成第一间隔物。 蚀刻优选是使用在阻挡层的材料和构成线的其它层的材料之间具有蚀刻选择性的蚀刻剂原位蚀刻阻挡层的工艺。