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    • 1. 发明授权
    • Slurry dispenser for chemical mechanical polishing (CMP) apparatus and method
    • 用于化学机械抛光(CMP)设备和方法的浆料分配器
    • US08277286B2
    • 2012-10-02
    • US12370662
    • 2009-02-13
    • Kun-Ku HungZin-Chang WeiHuang Soon KangChyi-Shyuan Chern
    • Kun-Ku HungZin-Chang WeiHuang Soon KangChyi-Shyuan Chern
    • B24B1/00B24B57/02B24B29/00
    • B24B57/02B24B37/04
    • A chemical mechanical polishing method and apparatus provides a deformable, telescoping slurry dispenser arm coupled to a dispenser head that may be arcuate in shape and may also be a bendable telescoping member that can be adjusted to vary the number of slurry dispenser ports and the degree of curvature of the dispenser head. The dispenser arm may additionally include slurry dispenser ports therein. The dispenser arm may advantageously be formed of a plurality of nested tubes that are slidable with respect to one another. The adjustable dispenser arm may pivot about a pivot point and can be variously positioned to accommodate different sized polishing pads used to polish substrates of different dimensions and the bendable, telescoping slurry dispenser arm and dispenser head provide uniform slurry distribution to any of various wafer polishing locations, effective slurry usage and uniform polishing profiles in each case.
    • 化学机械抛光方法和装置提供了可变形的,可伸缩的浆料分配器臂,其联接到分配器头部,其可以是弓形的形状,并且还可以是可弯曲的伸缩构件,其可以被调节以改变浆料分配器端口的数量和 分配头的曲率。 分配器臂可以另外包括其中的浆料分配器端口。 分配器臂可以有利地由可相对于彼此滑动的多个嵌套管形成。 可调节的分配器臂可围绕枢转点枢转并且可以被不同地定位以适应用于抛光不同尺寸的基板的不同尺寸的抛光垫,并且可弯曲的可伸缩浆料分配器臂和分配器头部向各种晶片抛光位置 ,有效的浆料使用和均匀的抛光轮廓在每种情况下。
    • 2. 发明申请
    • SLURRY DISPENSER FOR CHEMICAL MECHANICAL POLISHING (CMP) APPARATUS AND METHOD
    • 化学机械抛光(CMP)装置和方法的浆料分配器
    • US20100210189A1
    • 2010-08-19
    • US12370662
    • 2009-02-13
    • Kun-Ku HungZin-Chang WeiHuang Soon KangChyi-Shyuan Chern
    • Kun-Ku HungZin-Chang WeiHuang Soon KangChyi-Shyuan Chern
    • B24B57/02B24B7/20B24B29/00
    • B24B57/02B24B37/04
    • A chemical mechanical polishing method and apparatus provides a deformable, telescoping slurry dispenser arm coupled to a dispenser head that may be arcuate in shape and may also be a bendable telescoping member that can be adjusted to vary the number of slurry dispenser ports and the degree of curvature of the dispenser head. The dispenser arm may additionally include slurry dispenser ports therein. The dispenser arm may advantageously be formed of a plurality of nested tubes that are slidable with respect to one another. The adjustable dispenser arm may pivot about a pivot point and can be variously positioned to accommodate different sized polishing pads used to polish substrates of different dimensions and the bendable, telescoping slurry dispenser arm and dispenser head provide uniform slurry distribution to any of various wafer polishing locations, effective slurry usage and uniform polishing profiles in each case.
    • 化学机械抛光方法和装置提供了可变形的,可伸缩的浆料分配器臂,其联接到分配器头部,其可以是弓形的形状,并且还可以是可弯曲的伸缩构件,其可以被调节以改变浆料分配器端口的数量和 分配头的曲率。 分配器臂可以另外包括其中的浆料分配器端口。 分配器臂可以有利地由可相对于彼此滑动的多个嵌套管形成。 可调节的分配器臂可围绕枢转点枢转并且可以被不同地定位以适应用于抛光不同尺寸的基板的不同尺寸的抛光垫,并且可弯曲的可伸缩浆料分配器臂和分配器头部向各种晶片抛光位置 ,有效的浆料使用和均匀的抛光轮廓在每种情况下。
    • 9. 发明授权
    • Apparatus and method for controlling silicon nitride etching tank
    • 用于控制氮化硅蚀刻槽的设备和方法
    • US08409997B2
    • 2013-04-02
    • US11627030
    • 2007-01-25
    • Zin-Chang WeiTsung-Min HuangMing-Tsao Chiang ChiangCheng-Chen Calvin Hsueh
    • Zin-Chang WeiTsung-Min HuangMing-Tsao Chiang ChiangCheng-Chen Calvin Hsueh
    • H01L21/302
    • H01L21/30604H01L21/31111H01L22/20
    • A method and system for controlling a silicon nitride etching bath provides the etching bath including phosphoric acid heated to an elevated temperature. The concentration of silicon in the phosphoric acid is controlled to maintain a desired level associated with a desired silicon nitride/silicon oxide etch selectivity. Silicon concentration is measured while the silicon remains in soluble form and prior to silica precipitation. Responsive to the measuring, fresh heated phosphoric acid is added to the etching bath when necessary to maintain the desired concentration and silicon nitride:silicon oxide etch selectivity and prevent silica precipitation. The addition of fresh heated phosphoric acid enables the etching bath to remain at a steady state temperature. Atomic absorption spectroscopy may be used to monitor the silicon concentration which may be obtained by diluting a sample of phosphoric acid with cold deionized water and measuring before silica precipitation occurs.
    • 用于控制氮化硅蚀刻槽的方法和系统提供了包括加热到高温的磷酸的蚀刻浴。 控制磷酸中硅的浓度以保持与期望的氮化硅/氧化硅蚀刻选择性相关联的期望水平。 测量硅浓度,同时硅保持可溶形式,并在二氧化硅沉淀之前。 响应于测量,当必要时将新鲜加热的磷酸添加到蚀刻浴中以保持所需的浓度和氮化硅:氧化硅蚀刻选择性并防止二氧化硅沉淀。 添加新鲜加热的磷酸使蚀刻液保持在稳态。 可以使用原子吸收光谱来监测通过用冷去离子水稀释磷酸样品并在二氧化硅沉淀发生之前测量可以获得的硅浓度。
    • 10. 发明申请
    • APPARATUS AND METHOD FOR CONTROLLING SILICON NITRIDE ETCHING TANK
    • 用于控制氮化硅蚀刻罐的装置和方法
    • US20080179293A1
    • 2008-07-31
    • US11627030
    • 2007-01-25
    • Zin-Chang WeiTsung-Min HuangMing-Tsao ChiangCheng-Chen Calvin Hsueh
    • Zin-Chang WeiTsung-Min HuangMing-Tsao ChiangCheng-Chen Calvin Hsueh
    • B44C1/22H01L21/306
    • H01L21/30604H01L21/31111H01L22/20
    • A method and system for controlling a silicon nitride etching bath provides the etching bath including phosphoric acid heated to an elevated temperature. The concentration of silicon in the phosphoric acid is controlled to maintain a desired level associated with a desired silicon nitride/silicon oxide etch selectivity. Silicon concentration is measured while the silicon remains in soluble form and prior to silica precipitation. Responsive to the measuring, fresh heated phosphoric acid is added to the etching bath when necessary to maintain the desired concentration and silicon nitride:silicon oxide etch selectivity and prevent silica precipitation. The addition of fresh heated phosphoric acid enables the etching bath to remain at a steady state temperature. Atomic absorption spectroscopy may be used to monitor the silicon concentration which may be obtained by diluting a sample of phosphoric acid with cold deionized water and measuring before silica precipitation occurs.
    • 用于控制氮化硅蚀刻槽的方法和系统提供了包括加热到高温的磷酸的蚀刻浴。 控制磷酸中硅的浓度以保持与期望的氮化硅/氧化硅蚀刻选择性相关联的期望水平。 测量硅浓度,同时硅保持可溶形式,并在二氧化硅沉淀之前。 响应于测量,当必要时将新鲜加热的磷酸添加到蚀刻浴中以保持所需的浓度和氮化硅:氧化硅蚀刻选择性并防止二氧化硅沉淀。 添加新鲜加热的磷酸使蚀刻液保持在稳态。 可以使用原子吸收光谱来监测通过用冷去离子水稀释磷酸样品并在二氧化硅沉淀发生之前测量可以获得的硅浓度。