摘要:
An exposure apparatus includes an illumination optical system for illuminating the reticle using the ultraviolet light from the light source, and a polarization measuring unit measuring the polarization state of the ultraviolet light, the polarization measuring unit including an optical unit for providing at least three different phase differences to the ultraviolet light that has passed at least part of the illumination optical system, a polarization element for providing a different transmittance in accordance with a polarization state of the ultraviolet light that has passed the optical unit, and an image pickup device for detecting a light intensity of the ultraviolet light that has passed the polarization element, the polarization measuring unit measuring the polarization state of the ultraviolet light that has passed the at least part of the illumination optical system based on a detection result of the image pickup device.
摘要:
An exposure apparatus includes an illumination optical system for illuminating the reticle using the ultraviolet light from the light source, and a polarization measuring unit measuring the polarization state of the ultraviolet light, the polarization measuring unit including an optical unit for providing at least three different phase differences to the ultraviolet light that has passed at least part of the illumination optical system, a polarization element for providing a different transmittance in accordance with a polarization state of the ultraviolet light that has passed the optical unit, and an image pickup device for detecting a light intensity of the ultraviolet light that has passed the polarization element, the polarization measuring unit measuring the polarization state of the ultraviolet light that has passed the at least part of the illumination optical system based on a detection result of the image pickup device.
摘要:
A method for setting a mask pattern and an illumination condition suitable for an exposure method for using plural kinds of light to illuminate a mask that arranges a predetermined pattern and an auxiliary pattern smaller than the predetermined pattern, so as to resolve the predetermined pattern without resolving the auxiliary pattern on a target via a projection optical system includes the steps of forming data for the predetermined pattern, forming data for the auxiliary pattern, and setting the illumination condition for defining an effective light source of illumination using the plural kinds of light.
摘要:
An exposure method comprising the steps of forming onto a mask that arranges a pattern of a contact hole and a plurality of patterns each being smaller than the contact hole pattern, and illuminating the mask using plural kinds of light so as to resolve the desired pattern without the smaller patterns on a target via a projection optical system.
摘要:
A mask arranges a predetermined pattern and an auxiliary pattern smaller than the predetermined pattern so that where a virtual lattice is assumed which has a lattice point located at a center of the predetermined pattern, a center of the auxiliary pattern is offset from the lattice point of the virtual lattice.
摘要:
A phase measuring apparatus for measuring phase characteristics of a film applied onto an object to be measured includes a shearing interference system for providing incident light onto the object or light reflected on the object with shearing interference, a detector for detecting shearing interference information, and a computing unit for calculating the phase characteristics of the film based on the shearing interference information.
摘要:
A phase measuring apparatus for measuring phase characteristics of a film applied onto an object to be measured includes a shearing interference system for providing incident light onto the object or light reflected on the object with shearing interference, a detector for detecting shearing interference information, and a computing unit for calculating the phase characteristics of the film based on the shearing interference information.
摘要:
A phase measuring apparatus for measuring phase characteristics of a film applied onto an object to be measured includes a shearing interference system for providing incident light onto the object or light reflected on the object with shearing interference, a detector for detecting shearing interference information, and a computing unit for calculating the phase characteristics of the film based on the shearing interference information.
摘要:
An exposure apparatus which includes a projection optical system that projects a pattern image of a reticle onto an object to be exposed, and an interferometer configured to measure an optical characteristic of the projection optical system. The interferometer includes a mask placed on an object plane side of the projection optical system, the mask shaping a wavefront of light from a light source into an ideal wavefront, a detector configured to detect the light passing through the projection optical system; and an optical element placed between the mask and the projection optical system or between the projection optical system and the detector. The detector detects interference fringes (an interferogram) formed by interference between a reflected component of the light reflected by the optical element and a transmitted component of the light passing through the optical element.
摘要:
An exposure apparatus which includes a projection optical system that projects a pattern image of a reticle onto an object to be exposed, and an interferometer configured to measure an optical characteristic of the projection optical system. The interferometer includes a mask placed on an object plane side of the projection optical system, the mask shaping a wavefront of light from a light source into an ideal wavefront, a detector configured to detect the light passing through the projection optical system; and an optical element placed between the mask and the projection optical system or between the projection optical system and the detector. The detector detects interference fringes (an interferogram) formed by interference between a reflected component of the light reflected by the optical element and a transmitted component of the light passing through the optical element.