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    • 21. 发明授权
    • Device having integrated optical and copper conductors and method of fabricating same
    • 具有集成光和铜导体的装置及其制造方法
    • US06403393B1
    • 2002-06-11
    • US09388163
    • 1999-09-01
    • James W. AdkissonPaul W. PastelAnthony K. Stamper
    • James W. AdkissonPaul W. PastelAnthony K. Stamper
    • G02B600
    • G02B6/132G02B6/122G02B6/13G02B2006/121
    • A method is provided for making optical waveguide structures in a semiconductor device wherein a rectangular cross-section low index of refraction material is encapsulated in a trench by a high index of refraction material. The waveguide structures may be made in a device containing copper conductors in trenches by forming new trenches to hold the optical waveguide. Copper conductor containing trenches may also be made in an electronic component containing waveguide structures and a further method is provided for forming an optical waveguide structure by replacing a copper containing trench with the waveguide structure in an electronic component having a plurality of copper containing trenches. All the methods use conventional techniques so that the fabrication of a semiconductor device containing both optical waveguide structures and copper conductor structures can be made both efficiently and economically.
    • 提供了一种用于在半导体器件中制造光波导结构的方法,其中通过高折射率材料将矩形横截面的低折射率材料折射率封装在沟槽中。 波导结构可以通过形成新的沟槽来保持光波导,在包含沟槽中的铜导体的器件中制成。 包含沟槽的铜导体也可以制成包含波导结构的电子部件,并且提供了另外的方法,用于通过在具有多个含铜沟槽的电子部件中用波导结构替换含铜沟槽来形成光波导结构。 所有这些方法都使用常规技术,从而可以有效地和经济地制造含有光波导结构和铜导体结构的半导体器件。
    • 24. 发明授权
    • Polysilicon capacitor having large capacitance and low resistance and process for forming the capacitor
    • 具有大电容和低电阻的多晶硅电容器和用于形成电容器的工艺
    • US06261895B1
    • 2001-07-17
    • US09225043
    • 1999-01-04
    • James W. AdkissonJohn A. BracchittaJed H. RankinAnthony K. Stamper
    • James W. AdkissonJohn A. BracchittaJed H. RankinAnthony K. Stamper
    • H01L218242
    • H01L28/75H01L21/3144H01L28/91
    • A process for forming capacitors in a semiconductor device. In one embodiment, a first insulating layer is deposited on the semiconductor device; a trench is formed in the insulating layer; a first low resistance metal layer is formed covering the interior surface of the trench; a first polysilicon layer is formed over the first low resistance metal layer; a first dielectric layer is formed over the first polysilicon layer; a second polysilicon layer is formed over the first dielectric layer; a second low resistance metal layer is formed over the second polysilicon layer; a third polysilicon layer is formed over the second low resistance metal layer; a second dielectric layer is formed over the third polysilicon layer; a fourth polysilicon layer is formed over the second dielectric layer; a third low resistance metal layer is formed over the fourth polysilicon layer until the trench is filled; the semiconductor device is planarized until the first, second and third low resistance metal layers are exposed above the trench; finally, capacitor leads are formed to the first, second, and third low resistance metal layers.
    • 一种用于在半导体器件中形成电容器的工艺。 在一个实施例中,第一绝缘层沉积在半导体器件上; 在绝缘层中形成沟槽; 形成覆盖沟槽内表面的第一低电阻金属层; 在第一低电阻金属层上形成第一多晶硅层; 第一介电层形成在第一多晶硅层上; 在第一介电层上形成第二多晶硅层; 在第二多晶硅层上形成第二低电阻金属层; 在第二低电阻金属层上形成第三多晶硅层; 在所述第三多晶硅层上形成第二电介质层; 在第二介电层上形成第四多晶硅层; 第四低电阻金属层形成在第四多晶硅层上,直到沟槽被填充; 半导体器件被平坦化,直到第一,第二和第三低电阻金属层暴露在沟槽上方; 最后,对第一,第二和第三低电阻金属层形成电容器引线。