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    • 2. 发明申请
    • IMMERSION LITHOGRAPHY SYSTEM AND METHOD HAVING AN IMMERSION FLUID CONFINEMENT PLATE FOR SUBMERGING THE SUBSTRATE TO BE IMAGED IN IMMERSION FLUID
    • 具有渗透流体限制板的渗透层析系统和方法,用于将浸没流体中形成的基底
    • WO2007145725A2
    • 2007-12-21
    • PCT/US2007/010791
    • 2007-05-04
    • NIKON CORPORATIONPOON, Alex, Ka, TimKHO, Leonard, Wai, FungKESWANI, GauravCOON, Derek
    • POON, Alex, Ka, TimKHO, Leonard, Wai, FungKESWANI, GauravCOON, Derek
    • G03B27/42
    • G03F7/70341
    • A lithography apparatus having a fluid confinement plate, which completely submerges the imaging surface of a substrate, is disclosed. The apparatus includes an imaging element defining an image and a stage configured to support the substrate. A projection optical system is provided to project the image defined by the imaging element onto the imaging surface of the substrate. A gap, filled with immersion fluid, is provided between the imaging surface of the substrate and the last optical element of the projection optical system. The fluid confinement plate, which is positioned within the gap between the last optical element and the substrate, is sufficiently sized so that the imaging surface is completely submerged in the immersion fluid. The fluid confinement plate includes a first surface facing the gap and opposing the imaging surface of the substrate. The first surface includes a droplet control element to control the formation of droplets forming on the first surface. In one embodiment, the droplet control element is a porous surface formed on the first surface. A vacuum is used to pull any excess immersion fluid through the porous region to prevent the formation of droplets. In a second embodiment, the droplet control element is a sloped surface that causes any immersion fluid on the first surface to flow toward to main body of immersion fluid in the gap.
    • 公开了一种具有完全浸没衬底的成像表面的流体限制板的光刻设备。 该装置包括限定图像的成像元件和被配置为支撑基板的台。 提供投影光学系统以将由成像元件限定的图像投影到基板的成像表面上。 在基板的成像表面和投影光学系统的最后一个光学元件之间提供填充有浸没流体的间隙。 定位在最后一个光学元件和基底之间的间隙内的流体限制板的尺寸足够大,使得成像表面完全浸没在浸没流体中。 流体限制板包括面对间隙的第一表面并与基底的成像表面相对。 第一表面包括用于控制形成在第一表面上的液滴的液滴控制元件。 在一个实施例中,液滴控制元件是形成在第一表面上的多孔表面。 使用真空来吸引多余的浸渍流体通过多孔区域以防止形成液滴。 在第二实施例中,液滴控制元件是使第一表面上的任何浸没流体朝着间隙中的浸没流体的主体流动的倾斜表面。
    • 5. 发明申请
    • APPARATUS AND METHOD TO CONTROL VACUUM AT POROUS MATERIAL USING MULTIPLE POROUS MATERIALS
    • 使用多孔材料控制多孔材料真空的装置和方法
    • WO2010048299A1
    • 2010-04-29
    • PCT/US2009/061499
    • 2009-10-21
    • NIKON CORPORATIONPOON, AlexKHO, LeonardCOON, Derek
    • POON, AlexKHO, LeonardCOON, Derek
    • G03B27/52
    • G03F7/70341G03B27/52
    • An immersion liquid confinement apparatus confines an immersion liquid in an immersion area that includes a gap between a projection system and an object of exposure in an immersion lithography system. The apparatus also recovers the immersion liquid from the immersion area. The apparatus includes a confinement member and first and second liquid-permeable members. The confinement member includes an outlet and an aperture through which a patterned image is projected onto the object. The first liquid-permeable member covers the outlet and has a first surface that faces the object and a second surface opposite the first surface, the second surface contacting a first chamber. The second liquid-permeable member has first and second oppositely-facing surfaces, the first surface of the second liquid-permeable member contacts the first chamber, the second surface of the second liquid-permeable member contacts a second chamber that is different from the first chamber.
    • 浸没液体限制装置将浸没液体限制在浸没式光刻系统中包括投影系统和曝光对象之间的间隙的浸没区域中。 该设备还从浸没区域中恢复浸没液体。 该装置包括限制构件和第一和第二液体可渗透构件。 限制构件包括出口和孔,将图案化图像投射到物体上。 第一透液性构件覆盖出口,并且具有面向物体的第一表面和与第一表面相对的第二表面,第二表面接触第一腔室。 第二透液性构件具有第一和第二相对面的表面,第二透液性构件的第一表面接触第一腔室,第二透液构件的第二表面接触与第一液体可渗透构件不同的第二腔室 室。
    • 6. 发明申请
    • OFFSET PARTIAL RING SEAL IN IMMERSION LITHOGRAPHIC SYSTEM
    • 偏移光刻系统中的偏心环密封
    • WO2006078292A1
    • 2006-07-27
    • PCT/US2005/017160
    • 2005-05-18
    • NIKON CORPORATIONCOON, Derek
    • COON, Derek
    • G03B27/52G03B27/42
    • G03F7/70808G03F7/70341
    • A substrate processing apparatus includes a device for partially sealing a gap between a final optical element (22) of a projection lens (14) and an immersion nozzle (20). In one embodiment, the apparatus includes a table configured to support a substrate (16); a patterning element defining a pattern (12); a projection system configured to project the pattern onto the substrate (16), the projection system having a last optical element (22); a gap between the substrate and the last optical element; an immersion element configured to maintain immersion fluid in the gap; and a first seal (102) positioned between the projection system and the immersion element. The first seal (104) is configured to substantially prevent immersion fluid from exiting the space between the projection system and the immersion element.
    • 基板处理装置包括用于部分地密封投影透镜(14)的最终光学元件(22)与浸没喷嘴(20)之间的间隙的装置。 在一个实施例中,该装置包括配置成支撑衬底(16)的工作台; 限定图案(12)的图案形成元件; 投影系统,被配置为将所述图案投影到所述基板(16)上,所述投影系统具有最后的光学元件(22); 衬底和最后一个光学元件之间的间隙; 浸没元件,被配置为将浸没流体保持在间隙中; 以及位于投影系统和浸没元件之间的第一密封件(102)。 第一密封件(104)构造成基本上防止浸没流体离开投影系统和浸没元件之间的空间。