摘要:
Off-axis projection optics that includes first and second mirrors positioned off-axis and sharing a confocal point that are arranged to reduce linear astigmatism. If a distance between an object plane and the first mirror is l1, an incident angle of light coming from the object plane to the first mirror is i1, a distance between the first mirror and the confocal point is l1′, a distance between the confocal point and the second mirror is l2, an incident angle of light coming from the first mirror to the second mirror is i2, and a distance between the second mirror and an image plane is l2′, the off-axis projection optics may satisfy the following equation: l 1 ′ + l 1 l 1 tan i 1 = l 2 ′ + l 2 l 2 tan i 2 .
摘要:
Off-axis projection optics that includes first and second mirrors positioned off-axis and sharing a confocal point that are arranged to reduce linear astigmatism. If a distance between an object plane and the first mirror is l1, an incident angle of light coming from the object plane to the first mirror is i1, a distance between the first mirror and the confocal point is l1′, a distance between the confocal point and the second mirror is l2, an incident angle of light coming from the first mirror to the second mirror is i2, and a distance between the second mirror and an image plane is l2′, the off-axis projection optics may satisfy the following equation: l 1 ′ + l 1 l 1 tan i 1 = l 2 ′ + l 2 l 2 tan i 2 .
摘要:
A mask for lithography and a method of manufacturing the same. The mask may include a substrate, a reflection layer formed of a material capable of reflecting electromagnetic rays on the substrate and an absorption pattern formed in a desired pattern such that absorbing regions with respect to electromagnetic rays and windows through which electromagnetic rays pass are formed, wherein the absorption pattern includes at least one side surface that is adjacent to the window and is inclined with respect to the reflection layer. The method may include forming a reflection layer which is formed of a material capable of reflecting electromagnetic rays on a substrate, forming an absorption layer which is formed of a material capable of absorbing electromagnetic rays on the refection layer, and patterning the absorption layer to form an absorption pattern with at least one side surface adjacent to a window that has an inclined side surface with respect to the reflection layer.
摘要:
A photomask may include a reflection layer including a material capable of reflecting electromagnetic radiation, and at least one ion region. The ion region may be formed by implanting ions of an absorbent capable of absorbing electromagnetic radiation. The reflection layer may have a stack structure including a plurality of layers. The ions of the dopant may be implanted into at least one of the plurality of layers.
摘要:
Off-axis projection optics that includes first and second mirrors positioned off-axis and sharing a confocal point that are arranged to reduce linear astigmatism. If a distance between an object plane and the first mirror is l1, an incident angle of light coming from the object plane to the first mirror is i1, a distance between the first mirror and the confocal point is l1′, a distance between the confocal point and the second mirror is l2, an incident angle of light coming from the first mirror to the second mirror is i2, and a distance between the second mirror and an image plane is l2′, the off-axis projection optics may satisfy the following equation: l 1 ′ + l 1 l 1 tan i 1 = l 2 ′ + l 2 l 2 tan i 2 .
摘要:
Off-axis projection optics that includes first and second mirrors positioned off-axis and sharing a confocal point that are arranged to reduce linear astigmatism. If a distance between an object plane and the first mirror is l1, an incident angle of light coming from the object plane to the first mirror is i1, a distance between the first mirror and the confocal point is l1′, a distance between the confocal point and the second mirror is l2, an incident angle of light coming from the first mirror to the second mirror is i2, and a distance between the second mirror and an image plane is l2′, the off-axis projection optics may satisfy the following equation: l 1 ′ + l 1 l 1 tan i 1 = l 2 ′ + l 2 l 2 tan i 2 .
摘要:
Example embodiments are directed to an off-axis projection optical system including first and second mirrors that are off-axially arranged. The tangential and sagittal radii of curvature of the first mirror may be R1t and R1s, respectively. The tangential and sagittal radii of curvature of the second mirror may be R2t and R2s, respectively. The incident angle of the beam from an object point to the first mirror 10 may be i1, and an incident angle of the beam reflected from the first mirror 10 to the second mirror 30 is i2. The values of R1t, R1s, R2t, R2s, i1 and i2 may satisfy the following Equation R1t cos i1=R2t cos i2 R1s=R1t cos2i1 R2s=R2t cos2i2.
摘要:
An off-axis projection optical system including first and second mirrors that are off-axially arranged is provided. The tangential and sagittal radii of curvature of the first mirror may be R1t and R1s, respectively. The tangential and sagittal radii of curvature of the second mirror may be R2t and R2s, respectively. The incident angle of the beam from an object point to the first mirror 10 may be i1, and an incident angle of the beam reflected from the first mirror 10 to the second mirror 30 is i2. The values of R1t, R1s, R2t, R2s, i1 and i2 may satisfy the following Equation. R1t cos i1=R2t cos i2 R1s=R1t cos2i1 R2s=R2t cos2i2
摘要:
A method of operating a three-dimensional image sensor may include: obtaining position information of an object using light emitted by a light source module, the three-dimensional image sensor including the light source module having a light source and a lens; and adjusting a relative position of the light source to the lens based on the obtained position information of the object. A method of operating an image sensor may include: obtaining position information of an object using light emitted by a light source module, the image sensor including the light source module; and adjusting an emission angle of the light emitted by the light source module based on the obtained position information.