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    • 3. 发明授权
    • Semiconductor device and method for forming device isolation film of semiconductor device
    • 半导体器件用半导体器件及其形成装置隔离膜的方法
    • US07867870B2
    • 2011-01-11
    • US11931042
    • 2007-10-31
    • Won Bong Jang
    • Won Bong Jang
    • H01L21/76
    • H01L21/764
    • A device isolation film in a semiconductor device and a method for forming the same are provided. The method includes etching a middle portion of a device isolation film having a deposition structure including a Spin-On-Dielectric (SOD) oxide film and a High Density Plasma (HDP) oxide film to form a hole and filling an upper portion of the hole with an oxide film having poor step coverage characteristics to form a second hole extending along the middle portion of the device isolation film. The second hole serves as a buffer for stress generated at the interface between an oxide film, which can be a device isolation film, and a silicon layer, which can be a semiconductor substrate, thereby increasing the operating current of a transistor and improving the electrical characteristics of the resulting device.
    • 提供半导体器件中的器件隔离膜及其形成方法。 该方法包括蚀刻具有包括旋涂电介质(SOD)氧化物膜和高密度等离子体(HDP)氧化物膜)的沉积结构的器件隔离膜的中间部分,以形成孔并填充孔的上部 具有差的阶梯覆盖特性的氧化膜,以形成沿着器件隔离膜的中间部分延伸的第二孔。 第二孔用作在可以是器件隔离膜的氧化物膜和可以是半导体衬底的硅层之间的界面产生的应力的缓冲器,从而增加晶体管的工作电流并改善电气 所得设备的特性。
    • 4. 发明申请
    • SEMICONDUCTOR DEVICE AND METHOD FOR FORMING DEVICE ISOLATION FILM OF SEMICONDUCTOR DEVICE
    • 用于形成半导体器件的器件隔离膜的半导体器件和方法
    • US20090001505A1
    • 2009-01-01
    • US11931042
    • 2007-10-31
    • Won Bong Jang
    • Won Bong Jang
    • H01L21/762H01L23/58
    • H01L21/764
    • A device isolation film in a semiconductor device and a method for forming the same are provided. The method includes etching a middle portion of a device isolation film having a deposition structure including a Spin-On-Dielectric (SOD) oxide film and a High Density Plasma (HDP) oxide film to form a hole and filling an upper portion of the hole with an oxide film having poor step coverage characteristics to form a second hole extending along the middle portion of the device isolation film. The second hole serves as a buffer for stress generated at the interface between an oxide film, which can be a device isolation film, and a silicon layer, which can be a semiconductor substrate, thereby increasing the operating current of a transistor and improving the electrical characteristics of the resulting device.
    • 提供半导体器件中的器件隔离膜及其形成方法。 该方法包括蚀刻具有包括旋涂电介质(SOD)氧化物膜和高密度等离子体(HDP)氧化物膜)的沉积结构的器件隔离膜的中间部分,以形成孔并填充孔的上部 具有差的阶梯覆盖特性的氧化膜,以形成沿着器件隔离膜的中间部分延伸的第二孔。 第二孔用作在可以是器件隔离膜的氧化物膜和可以是半导体衬底的硅层之间的界面产生的应力的缓冲器,从而增加晶体管的工作电流并改善电气 所得设备的特性。