Abstract:
PROBLEM TO BE SOLVED: To provide a lithography projection equipment with a sensor excellent in durability which is used in the immersion type lithography equipment capable of high resolution treatment by pouring liquid of comparatively high refraction index to fill spacing between the final component of the projection system and the substrate and by sinking the substrate into the immersion liquid. SOLUTION: The lithography projection equipment comprises a liquid feed system configured so that immersion liquid may be provided in spacing between the final component of the projection system and the foregoing substrate, and the sensor attached to a substrate table so that it may be exposed by radiation while it is immersed into the immersion liquid supplied by the liquid feed system. The sensor includes an external surface contacted by the immersion liquid while it is irradiated. The external surface of the sensor is formed by continuous layers of one metal format, while the sensor is formed by single or several metal formats. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a lithography apparatus which reduces or eliminates deposition of contaminants on various components of an exposure apparatus.SOLUTION: A coating including a semiconductor, a photocatalyst, and/or a metal oxide is applied at least partly onto various components of an exposure apparatus, for example a sensor provided on a substrate table of a lithographic apparatus.
Abstract:
PROBLEM TO BE SOLVED: To provide a lithography exposure apparatus for reducing or eliminating adhesion of a pollution substance to various components of the exposure apparatus. SOLUTION: A coating containing a semiconductor, a photocatalyst, and/or a metal oxide is imparted to at least a part of various components of the lithography exposure apparatus, such as a sensor arranged on a base table of the lithography exposure apparatus. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a lithographic apparatus for reducing or eliminating adhesion of contaminant for various components of the exposure apparatus. SOLUTION: The exposure apparatus includes a radiation system configured for supplying radiation beam, a patterning apparatus for patterning the radiation beam according to a required pattern, a substrate table for supporting a substrate, and a projection system for projecting a patterned radiation beam to the target on the substrate. At least a portion of the substrate table is covered with a coating. The coating includes a metal oxide, a photocatalyst, or a semiconductor material, or the combination thereof. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an lithography apparatus capable of reducing or eliminating attachments of contaminated materials to the various kinds of exposure apparatus components. SOLUTION: The main features of this invention is that the coating, comprising semiconductor, photocatalyst, and/or metal oxide, is provided at least to various kinds of the exposure apparatus components, such as a sensor arranged for the base table of the lithography apparatus. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
In a lithographic projection apparatus a liquid supply system maintains liquid in a space between a final element of the projection system and the substrate of the lithographic projection apparatus. A sensor positioned on a substrate table which holds the substrate is adapted for being imaged when immersed in immersion liquid (i.e. under the same conditions as the substrate will be imaged). By ensuring that a primary outer surface of an absorption element of the sensor is formed of one or fewer metal types, long life of the sensor can be expected.
Abstract:
Disclosed is a membrane transmissive to EUV radiation, which may be used as a pellicle or spectral filter in a lithographic apparatus. The membrane comprises one or more high doped regions wherein said membrane is doped with a dopant concentration greater than 1017 cm-3, and one or more regions with low (or no) doping. The membrane may have a main substrate having low doping and one or more additional layers, wherein said high doped regions are comprised within some or all of said additional layers.