摘要:
The present invention provides an imprint apparatus for performing an imprint process of transferring a pattern onto a substrate by curing a resin on the substrate while the resin is in contact with a mold, and removing the mold from the cured resin, including a detection unit configured to detect a foreign particle existing on the substrate, wherein the detection unit includes an obtaining unit configured to irradiate a surface of the substrate with light, and obtain light from the surface of the substrate, and a specification unit configured to specify a shot region where a foreign particle existing on the substrate is positioned, based on the light obtained by the obtaining unit.
摘要:
The present invention provides an exposure apparatus including an illumination optical system, the illumination optical system includes a mirror array optical element including a plurality of mirror elements having reflecting surfaces which reflect light from a light source, the plurality of mirror elements having angles that can be independently controlled with respect to the light from the light source, a first optical system configured to guide the light from the light source to the mirror array optical element, and receive light reflected by a predetermined mirror element, an angle of which is controlled to guide the light reflected by the reflecting surface to the reticle, a second optical system which is present on a side of the light source with respect to the first optical system, and a third optical system which is present on a side of the reticle with respect to the first optical system.
摘要:
An illumination optical apparatus is configured to irradiate a light beam from a light source onto a surface to be irradiated. The illumination optical apparatus includes a first group of prisms which has a plurality of prisms, a second group of prisms which has a plurality of prisms, and a switch of a group of prisms which is capable of switching the first and the second groups of prisms so as to position one of the first and the second groups of prisms in an optical path. An annular ratio of the light beam emitted from one of the first and the second groups of prisms is changed by moving at least one of a plurality of prisms included in one of the first and the second groups of prisms positioned in the optical path in an optical axis direction, and an upper limit of the annular ratio of the light beam emitted from the first group of prisms is equal to or higher than a lower limit of the annular ratio of the light beam emitted from the second group of prisms and is lower than the upper limit of the annular ratio of the light beam emitted from the second group of prisms.
摘要:
A diffractive optical element is disclosed. The diffractive optical element is used in an illumination optical system of an exposure apparatus which exposes a substrate, and used for forming the intensity distribution of light at a pupil plane of the illumination optical system. The diffractive optical element comprises a first diffractive element and a second diffractive element which have different diffraction actions from each other, wherein each of the first diffractive element and the second diffractive element has point symmetry in a irradiated region where light is irradiated and common center of the point symmetry.
摘要:
An illumination optical apparatus is configured to irradiate a light beam from a light source onto a surface to be irradiated. The illumination optical apparatus includes a first group of prisms which has a plurality of prisms, a second group of prisms which has a plurality of prisms, and a switch of a group of prisms which is capable of switching the first and the second groups of prisms so as to position one of the first and the second groups of prisms in an optical path. An annular ratio of the light beam emitted from one of the first and the second groups of prisms is changed by moving at least one of a plurality of prisms included in one of the first and the second groups of prisms positioned in the optical path in an optical axis direction, and an upper limit of the annular ratio of the light beam emitted from the first group of prisms is equal to or higher than a lower limit of the annular ratio of the light beam emitted from the second group of prisms and is lower than the upper limit of the annular ratio of the light beam emitted from the second group of prisms.
摘要:
A measurement apparatus for measuring the polarization state of a light beam Fourier-transforms changes in intensity of a plurality of light beams with different polarization states, which are detected while changing a relative rotation angle θ between the waveplate and the polarizer about the optical axis, to calculate the values of first Fourier coefficients of respective components oscillating with waveforms described by cos 4θ, sin 4θ, sin 2θ, and cos 2θ, approximately calculates, using the values of the first Fourier coefficients, third coefficients that define the relationship between the first Fourier coefficients and second Fourier coefficients of the respective components oscillating with waveforms described by cos 4θ, sin 4θ, and sin 2θ assuming that the detection result contains no measurement error attributed to the optical system, and calculates a measurement error attributed to the optical system using the third coefficients.
摘要翻译:用于测量光束的偏振态的傅立叶变换的测量装置改变具有不同极化状态的多个光束的强度的变化,这些光束在改变相对旋转角度的同时被检测; 在波片和偏振器之间围绕光轴,计算用cos 4& t s; sin 4& t s i,sin 2& t s i和cos 2& t s i描述的波形振荡的各个分量的第一傅里叶系数的值,使用值 第三系数,其定义了由cos 4& sas; sin 4&thetas;和sin 2&thetas描述的波形振荡的各个分量的第一傅立叶系数和第二傅里叶系数之间的关系; 假设检测结果不包含归因于光学系统的测量误差,并且使用第三系数计算归因于光学系统的测量误差。
摘要:
In an illumination optical system arranged to illuminate an illumination target plane by using light from a light source, the illumination optical system includes a prism unit arranged to refract the light, an optical integrator arranged to form a plurality of light sources with light emerging from the prism unit, and an optical system arranged to introduce light emerging from the optical integrator to the illumination target plane. The prism unit includes a pair of conical refractive surface having a conical concave refractive surface and a conical convex refractive surface, and a pair of pyramidal refractive surface having a pyramidal concave refractive surface and a pyramidal convex refractive surface. At least one of the concave refractive surface and the convex refractive surface of the one pair is disposed between the concave refractive surface of the other pair and the convex refractive surface of the other pair.
摘要:
The present invention provides an imprint apparatus for performing an imprint process of transferring a pattern onto a substrate by curing a resin on the substrate while the resin is in contact with a mold, and removing the mold from the cured resin, including a detection unit configured to detect a foreign particle existing on the substrate, wherein the detection unit includes an obtaining unit configured to irradiate a surface of the substrate with light, and obtain light from the surface of the substrate, and a specification unit configured to specify a shot region where a foreign particle existing on the substrate is positioned, based on the light obtained by the obtaining unit.
摘要:
In an illumination optical system arranged to illuminate an illumination target plane by using light from a light source, the illumination optical system includes a prism unit arranged to refract the light, an optical integrator arranged to form a plurality of light sources with light emerging from the prism unit, and an optical system arranged to introduce light emerging from the optical integrator to the illumination target plane. The prism unit includes a pair of conical refractive surface having a conical concave refractive surface and a conical convex refractive surface, and a pair of pyramidal refractive surface having a pyramidal concave refractive surface and a pyramidal convex refractive surface. At least one of the concave refractive surface and the convex refractive surface of the one pair is disposed between the concave refractive surface of the other pair and the convex refractive surface of the other pair.
摘要:
An exposure apparatus comprises an illumination optical system configured to illuminate a reticle arranged on a surface to be illuminated with a light beam from a light source, a projection optical system configured to project a pattern of the reticle onto a substrate, and a stage configured to drive the substrate, wherein the illumination optical system includes a light distribution forming unit configured to form a trapezoidal light intensity distribution along a scanning direction of the reticle on the surface to be illuminated to uniform a light angle distribution for illuminating each point on the surface to be illuminated, and the substrate is exposed with the light intensity distribution and light angle distribution formed by the light distribution forming unit, while the stage drives the substrate by tilting a normal to the substrate with respect to an optical axis of the projection optical system.