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    • 5. 发明专利
    • Liquid immersion lithography apparatus, liquid immersion lithography method and liquid immersion lithography apparatus
    • 液体沉降计算装置,液体沉降计算方法和液体沉降计算装置
    • JP2008118102A
    • 2008-05-22
    • JP2007198042
    • 2007-07-30
    • Taiwan Semiconductor Manufacturing Co Ltd台湾積體電路製造股▲ふん▼有限公司
    • LIN BURN JENGCHANG CHING-YU
    • H01L21/027G03F7/20
    • G03B27/52G03F7/70341
    • PROBLEM TO BE SOLVED: To provide a liquid immersion lithography apparatus having high throughput by preventing the contamination of a wafer and an error of overlay due to foreign matters or liquid spot. SOLUTION: The apparatus has a lens assembly having an image forming lens, and a wafer stage. The wafer stage holds a wafer below the lens assembly and has a seal ring for sealing a step difference between a wafer edge of the lower side of the wafer held in the wafer stage and the wafer stage. The apparatus is also provided with: a liquid tank disposed for reserving an immersion liquid so as to immerse the entire wafer held in the wafer stage in the immersion liquid; a cover disposed so as to cover at least part of the liquid tank in order to control a temperature of the environment in the liquid tank and ensure sufficient liquid quantity; and at least a flow rate direction control liquid intake port for directing the immersion liquid to the edge of the wafer held in the wafer stage nearest to the image-forming lens and surrounding the image-forming lens. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过防止晶片的污染和由异物或液体斑点引起的覆盖错误,提供具有高生产率的液浸式光刻设备。 解决方案:该装置具有具有成像透镜和晶片台的透镜组件。 晶片台将透镜组件下方的晶片保持在晶片台上,并且具有密封环,用于密封保持在晶片台的晶片的下侧的晶片边缘与晶片台之间的阶梯差。 该设备还设有:储存浸液的液罐,以将保持在晶片台上的整个晶片浸入浸液中; 为了控制液罐中的环境温度并确保足够的液体量而设置为覆盖至少部分液体罐的盖; 以及至少一个流量方向控制液体吸入口,用于将浸没液体引导到保持在最靠近图像形成透镜的晶片台中的晶片的边缘并且围绕图像形成透镜。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Liquid immersion lithography apparatus and liquid immersion lithography method
    • 液体沉降计算机和液体渗透算法
    • JP2008118114A
    • 2008-05-22
    • JP2007245245
    • 2007-09-21
    • Taiwan Semiconductor Manufacturing Co Ltd台湾積體電路製造股▲ふん▼有限公司
    • LIN BURN JENGCHANG CHING-YU
    • H01L21/027G03F7/20H01L21/683
    • G03F7/70866G03F7/70341
    • PROBLEM TO BE SOLVED: To provide a liquid immersion lithography apparatus for preventing the contamination of a wafer and an overlay error due to foreign matters or liquid spot. SOLUTION: The liquid immersion lithographic system includes a lens assembly having an image-forming lens and a wafer stage for holding the wafer below the lens assembly. The wafer stage comprises a seal ring disposed on a seal ring frame along the upper end of the wafer held in the wafer stage, and the seal ring seals a gap between the wafer edge and the wafer stage. In order to keep the immersion liquid, the system further has a liquid tank disposed on the wafer stage so that the entire wafer held on the wafer stage of the immersion liquid can be completely immersed, and a cover disposed so as to cover at least part of the liquid tank for supplying temperature control so that the inside of the liquid tank can have an environment abundant in the immersion liquid. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于防止晶片污染的液浸式光刻设备和由于异物或液体斑点引起的覆盖误差。 解决方案:液浸式光刻系统包括具有图像形成透镜和用于将晶片保持在透镜组件下方的晶片台的透镜组件。 晶片台包括沿着保持在晶片台中的晶片的上端设置在密封环框架上的密封环,并且密封环密封晶片边缘和晶片台之间的间隙。 为了保持浸没液体,系统还具有设置在晶片台上的液体槽,使得保持在浸没液体的晶片台上的整个晶片可以完全浸没,并且设置为覆盖至少部分的盖 用于提供温度控制的液体罐,使得液体罐的内部可以具有浸入液体中的丰富的环境。 版权所有(C)2008,JPO&INPIT