Patent application number | Description | Published |
20080246932 | Exposure apparatus, device manufacturing method and exposure method - An exposure apparatus has a first illumination system which illuminates a first mask, a second illumination system which illuminates a second mask located apart from the first mask along a first direction, and a projection optical system which forms a pattern image of the first mask and a pattern image of the second mask in parallel on a photosensitive substrate. An optical axis of an exit-side partial optical system of the first illumination system and an optical axis of an exit-side partial optical system of the second illumination system each are set along a plane parallel to a direction perpendicular to the first direction. | 10-09-2008 |
20090040490 | ILLUMINATING OPTICAL APPARATUS, EXPOSURE APPARATUS AND DEVICE MANUFACTURING METHOD - An illumination optical apparatus is able to quickly perform switching of illumination conditions between illumination in a first region and illumination in a second region. The illumination optical apparatus of the present invention to illuminate an illumination target surface on the basis of light from a light source comprises: a path switching member arranged in an optical path between the light source and the illumination target surface and switching an optical path of an exiting beam between a first optical path and a second optical path; a path combining member combining the first optical path and the second optical path; a first pupil distribution forming member arranged in the first optical path and forming a predetermined light intensity distribution on an illumination pupil; and a second pupil distribution forming member arranged in the second optical path and forming a predetermined light intensity distribution on the illumination pupil. | 02-12-2009 |
20090073414 | Polarization-modulating element, illumination optical apparatus, exposure apparatus, and exposure method - There is disclosed a polarization-modulating element for modulating a polarization state of incident light into a predetermined polarization state, the polarization-modulating element being made of an optical material with optical activity and having a circumferentially varying thickness profile. | 03-19-2009 |
20090073441 | Polarization-modulating element, illumination optical apparatus, exposure apparatus, and exposure method - There is disclosed a polarization-modulating element for modulating a polarization state of incident light into a predetermined polarization state, the polarization-modulating element being made of an optical material with optical activity and having a circumferentially varying thickness profile. | 03-19-2009 |
20090135396 | ILLUMINATING OPTICAL APPARATUS, EXPOSURE APPARATUS AND DEVICE MANUFACTURING METHOD - An illumination optical apparatus is able to individually illuminate two regions separate from each other, under required illumination conditions. The illumination optical apparatus comprises a first illumination system to illuminate a illumination region and a second illumination region to illuminate a second illumination region. The first illumination system includes a first variable system which varies a shape or size of a light intensity distribution on an illumination pupil of the first illumination system and the second illumination system includes a second variable system which varies a shape or size of a light intensity distribution on an illumination pupil of the second illumination system. The first variable system and the second variable system vary the light intensity distribution on the illumination pupil of the first illumination system and the light intensity distribution on the illumination pupil of the second illumination system independently of each other. | 05-28-2009 |
20090316132 | Polarization-modulating element, illumination optical apparatus, exposure apparatus, and exposure method - There is disclosed a polarization-modulating element for modulating a polarization state of incident light into a predetermined polarization state, the polarization-modulating element being made of an optical material with optical activity and having a circumferentially varying thickness profile. | 12-24-2009 |
20110273697 | Polarization-modulating element, illumination optical apparatus, exposure apparatus, and exposure method - There is disclosed a polarization-modulating element for modulating a polarization state of incident light into a predetermined polarization state, the polarization-modulating element being made of an optical material with optical activity and having a circumferentially varying thickness profile. | 11-10-2011 |
20110310375 | ILLUMINATION OPTICAL SYSTEM, EXPOSURE APPARATUS AND DEVICE MANUFACTURING METHOD - According to an embodiment, the illumination optical system for illuminating an illumination target surface with light from a light source is provided with a polarization converting member which converts a polarization state of incident light so as to form a pupil intensity distribution in a predetermined polarization state on an illumination pupil of the illumination optical system; and a phase modulating member which is arranged in the optical path on the illumination target surface side with respect to the polarization converting member and which transmits light from the pupil intensity distribution so as to convert linearly polarized light thereof polarized in a first direction, into required elliptically polarized light and maintain a polarization state of linearly polarized light polarized in a second direction (X-direction or Y-direction) obliquely intersecting with the first direction, in order to reduce influence of retardation caused by a subsequent optical system between the polarization converting member and the illumination target surface. | 12-22-2011 |
20130242527 | POLARIZATION-MODULATING ELEMENT, ILLUMINATION OPTICAL APPARATUS, EXPOSURE APPARATUS, AND EXPOSURE METHOD - There is disclosed a polarization-modulating element for modulating a polarization state of incident light into a predetermined polarization state, the polarization-modulating element being made of an optical material with optical activity and having a circumferentially varying thickness profile. | 09-19-2013 |
20130271945 | POLARIZATION-MODULATING ELEMENT, ILLUMINATION OPTICAL APPARATUS, EXPOSURE APPARATUS, AND EXPOSURE METHOD - There is disclosed a polarization-modulating element for modulating a polarization state of incident light into a predetermined polarization state, the polarization-modulating element being made of an optical material with optical activity and having a circumferentially varying thickness profile. | 10-17-2013 |
20140028990 | POLARIZATION-MODULATING ELEMENT, ILLUMINATION OPTICAL APPARATUS, EXPOSURE APPARATUS, AND EXPOSURE METHOD - There is disclosed a polarization-modulating element for modulating a polarization state of incident light into a predetermined polarization state, the polarization-modulating element being made of an optical material with optical activity and having a circumferentially varying thickness profile. | 01-30-2014 |
20140043594 | METHOD OF ADJUSTING LIGHTING OPTICAL DEVICE, LIGHTING OPTICAL DEVICE, EXPOSURE SYSTEM, AND EXPOSURE METHOD - An illumination optical apparatus is arranged to illuminate a surface to be illuminated, with light in a desired polarization state, without substantive influence of manufacturing error of an optical member functioning as a wave plate. The illumination optical apparatus illuminates the surface to be illuminated on the basis of light from a light source. The illumination optical apparatus is provided with a polarization converting element disposed on or near an illumination pupil plane and adapted for converting a polarization state of incident light into a predetermined polarization state. The polarization converting element has a plurality of variable optical rotating members for variably yielding an angle of rotation to incident linearly polarized light. Each variable optical rotating member has two deviation prisms which are made of an optical material with an optical rotatory power and which are movable relative to each other along a direction intersecting with the optical axis. | 02-13-2014 |