Abstract:
The invention relates to a radiation system for generating a beam of radiation. The radiation system includes an extreme ultraviolet source constructed and arranged to generate extreme ultraviolet radiation, a contamination barrier constructed and arranged to trap contamination from the radiation source, and a temperature sensor constructed and arranged to sense a temperature of the contamination barrier.
Abstract:
A lithographic apparatus is disclosed. The apparatus includes the following components: an illumination system configured to condition a radiation beam, a support constructed to support a patterning device, a substrate support constructed to hold a substrate, and a projection system configured to project the patterned radiation beam onto a target portion of the substrate. The patterning device is capable of imparting the radiation beam with a pattern in its cross-section to form a patterned radiation beam. At least one of the components that experiences a heat load in use is provided with an integrally mounted heating element arranged to maintain the component at a substantially constant temperature.
Abstract:
A contamination barrier configured to permit radiation from a radiation source to pass through and to capture debris from the radiation source. The contamination barrier includes a support structure, a plurality of plate members arranged on the support structure and extending in a radial direction from an axis of the support structure, and a shield configured to block at least part of the support structure from being hit by radiation or debris from the radiation source.
Abstract:
A lithographic apparatus having an illumination system configured to provide a radiation beam; a support structure configured to support a patterning device, the patterning device being capable of imparting the radiation beam with a pattern in its cross-section, thus providing a patterned radiation beam; a substrate table configured to hold a substrate; a projection system arranged to project the patterned radiation beam onto a target portion of the substrate, and a projection system support configured to support the projection system on a reference frame. The lithographic apparatus further includes a thermal conditioning system configured to thermally condition the projection system support. The invention further relates to a thermal conditioning system constructed and arranged to thermally condition a projection system support. The invention further relates to a device manufacturing method and a method for manufacturing a device.
Abstract:
A lithographic apparatus is disclosed. The apparatus includes an illumination system that provides a beam of radiation, and a support structure that supports a patterning structure. The patterning structure is configured to impart the beam of radiation with a pattern in its cross-section. The apparatus also includes a substrate support that supports a substrate, a projection system that projects the patterned beam onto a target portion of the substrate, and a reference frame that provides a reference surface with respect to which a position of at least one of the substrate and the patterning structure is measured. The reference frame includes a material that has a coefficient of thermal expansion of greater than about 2.9×10−6/K.
Abstract:
A lithographic apparatus is disclosed. The apparatus includes a substrate table constructed to hold a substrate. The substrate table is moveable to transfer the substrate between a substrate measuring position and a substrate processing position. The apparatus also includes a measuring system configured to measure at least one aspect or characteristic of the substrate when the substrate table holds the substrate in the measuring position. The measuring system is configured to direct at least one measuring beam and/or field towards a surface of the substrate. A projection system is configured to project a patterned radiation beam onto a target portion of the substrate when the substrate table holds the substrate in the substrate processing position, and a conditioning system is configured to supply a conditioning fluid to at least part of a path of the measuring beam and/or field of the measuring system to condition the part of the path.
Abstract:
A lithographic apparatus is disclosed. The apparatus includes an illumination system for providing a beam of radiation, a support structure for supporting a patterning device, a substrate support for supporting a substrate, a projection system for projecting the patterned beam of radiation onto a target portion of the substrate, and a thermal compensation deformation unit for compensating for a deformation of an element caused by a thermal load. The thermal compensation deformation unit includes at least one temperature sensor for sensing a temperature in at least one location on the element, and a processing unit for calculating the deformation of the element caused by the thermal load as a function of the temperature sensed at the location. The deformation is calculated using data from a computer-generated model of the element so that an appropriate correction for the deformation can be made or taken into account.
Abstract:
A lithographic apparatus includes an illumination system for providing a beam of radiation, a support structure constructed to support a patterning device, which serves to impart the projection beam with a pattern in its cross-section, a substrate table for holding a substrate, a projection system that projects the patterned beam onto a target portion of the substrate, and a reference frame with a position sensor and the substrate being located thereon. The apparatus further includes a heat transport system having a heating element, in thermal interaction with at least one of the projection system and the reference frame, for heat transport to or from at least one of the projection system and the reference frame, wherein the heat transport system, is coupled to a further frame which is mechanically isolated from the reference frame.
Abstract:
A lithographic apparatus is disclosed. The apparatus includes a radiation system for supplying a beam of radiation, and a support structure for supporting a patterning device. The patterning device serves to pattern the beam of radiation according to a desired pattern. The apparatus also includes a projection system for projecting the patterned beam of radiation onto a target portion of a substrate, and an assembly for determining a spatial position of the patterning device relative to the projection system. The assembly includes a measuring unit that has a plurality of sensors that are mounted on the projection system.
Abstract:
A lithographic apparatus comprises a substrate table that supports a substrate and a substrate handler that moves the substrate relative to the substrate table. The substrate handler is adapted to load substrates on to and unload substrates from the substrate table before and after exposure. Also, a clean gas supply system supplies a clean gas to at least one location at which the substrate is located. The clean gas supply system is moveably mounted. A device manufacturing method utilizing the lithographic apparatus can be used to manufacture at least one of a flat panel display and an integrated circuit device.