摘要:
For irradiating a layer a radiation beam is directed and focussed to a spot on the layer, relative movement of the layer relative to the optical element is caused so that, successively, different portions of the layer are irradiated and an interspace between a surface of the optical element nearest to the layer is maintained. Furthermore, at least a portion of the interspace through which the radiation irradiates the spot on the layer is maintained filled with a liquid, the liquid being supplied via a supply conduit and flowing out of an outflow opening through a total projected cross-sectional passage area in a plane parallel to the layer. The outflow opening or a plurality of the outflow openings are positioned such that, seen in a direction perpendicular to the layer, the total cross-sectional area has a centre in the portion of the interspace through which the radiation irradiates the spot.
摘要:
For irradiating a layer a radiation beam is directed and focussed to a spot on the layer, relative movement of the layer relative to the lens is caused so that, successively, different portions of the layer are irradiated and an interspace between a surface of the lens nearest to the layer is maintained. Furthermore, at least a portion of the interspace through which the radiation irradiates the spot on the layer is maintained filled with a liquid, the liquid being supplied via a supply conduit. At least a portion of the liquid fills up a recess through which the radiation irradiates the spot.
摘要:
For irradiating a layer a radiation beam is directed and focussed to a spot on the layer, relative movement of the layer relative to the lens is caused so that, successively, different portions of the layer are irradiated and an interspace between a surface of the lens nearest to the layer is maintained. Furthermore, at least a portion of the interspace through which the radiation irradiates the spot on the layer is maintained filled with a liquid, the liquid being supplied via a supply conduit. At least a portion of the liquid fills up a recess through which the radiation irradiates the spot.
摘要:
A device for directing radiation to a layer (1) is described. The device includes a first optical element (L1) for focusing a first radiation beam (B1) originating from a first radiation source (S1) onto said layer, a second optical element (L2) for focusing a second radiation beam (B2) originating from a second radiation source (S2) onto said layer. The wavelengths of the radiation from said first and said second radiation source are different from each other. The first and second optical element are jointly movable with respect to said radiation sources, wherein the focal points of the two radiation beams at least substantially coincide with various movements of the first optical element and the second optical element with respect to the radiation sources. The second optical element (L2) has an aperture (A2) which allows optically undisturbed passage of the first radiation beam (B1). In this way a compact and light configuration of L1 and L2 is achieved as well as an improved radiation beam quality. Further an apparatus comprising such a device and a method using such an apparatus are disclosed.
摘要:
A non-leaching adhesive system and its use in a liquid immersion objective for immersion-writing of masters for optical discs are disclosed. The adhesive system comprises at least one monomer, selected from among the group of acrylate and methacrylate monomers, allylic monomers, norbornene monomers, hybrid monomers thereof, containing chemically different polymeriazble groups, and multifunctional thiol monomers, provided that said thiol is used in combination with at least one of said non-thiol monomers; and a polymerization initiator. At least one of said monomers, not being a thiol, is provided with at least two functional polymerizable groups to obtain a crosslinked polymer network. The polymerization initiator is preferably an initiator that can be activated both thermally and with UV radiation. The adhesive system may further contain a reactive diluent. Further the use of the present adhesive system in mounting a liquid immersion objective is disclosed.
摘要:
A device for directing radiation to a layer (1) is described. The device includes a first optical element (L1) for focusing a first radiation beam (B1) originating from a first radiation source (S1) onto said layer, a second optical element (L2) for focusing a second radiation beam (B2) originating from a second radiation source (S2) onto said layer. The wavelengths of the radiation from said first and said second radiation source are different from each other. The first and second optical element are jointly movable with respect to said radiation sources, wherein the focal points of the two radiation beams at least substantially coincide with various movements of the first optical element and the second optical element with respect to the radiation sources. The second optical element (L2) has an aperture (A2) which allows optically undisturbed passage of the first radiation beam (B1). In this way a compact and light configuration of L1 and L2 is achieved as well as an improved radiation beam quality. Further an apparatus comprising such a device and a method using such an apparatus are disclosed.
摘要:
An imprinting method is disclosed which involves irradiating a photo-curable imprintable medium in a flowable state on a substrate with radiation to initiate curing of the medium, after the irradiating, contacting the medium with a template to form an imprint in the medium, allowing the medium to substantially cure such that the medium is in a substantially non-flowable state while the medium is contacted by the template, and separating the template from the medium while the medium is in the substantially non-flowable state.
摘要:
A lithographic projection apparatus includes a support structure configured to hold a patterning device, the patterning device configured to pattern a beam of radiation according to a desired pattern; a projection system configured to project the patterned beam onto a target portion of a substrate; a substrate table configured to hold the substrate, the substrate table including a support surface configured to support an intermediary plate between the projection system and at least one of the substrate and an object positioned on the substrate table and not in contact with the at least one of the substrate and the object; and a liquid supply system configured to provide a liquid, through which the beam is to be projected, in a space between the projection system and the at least one of the substrate and the object.
摘要:
In a lithographic apparatus, a liquid supply system to provide a liquid to a space between the table and an optical element and to contact a surface of the optical element, the space having a cross-sectional area smaller than the area of the substrate, the liquid supply system comprising a liquid confinement structure extending along at least a part of a boundary of the space between the optical element surface and the table, wherein at least part of the liquid confinement structure is positioned between the optical element surface and the table, the at least part of the liquid confinement structure has an aperture through which the patterned beam can pass, the liquid confinement structure comprises an inlet to supply the liquid to the space above the aperture, and the liquid confinement structure comprises an outlet to remove the liquid, supplied by the inlet, from the space below the aperture.
摘要:
An imprint lithography apparatus is disclosed that has a template holder configured to hold an imprint template, a substrate table, and an optical encoder, the optical encoder having a radiation output, a first diffraction grating, and a detector, the radiation output arranged to illuminate a second diffraction grating and the detector positioned to detect radiation diffracted by the first and second diffraction gratings to provide an alignment signal.