Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Mitsunori Toyoda, Sendai JP

Mitsunori Toyoda, Sendai JP

Patent application numberDescriptionPublished
20090147233Beam transforming element, illumination optical apparatus, exposure apparatus, and exposure method with two optical elements having different thicknesses - A beam transforming element for forming a predetermined light intensity distribution on a predetermined surface on the basis of an incident beam includes a first basic element made of an optical material with optical activity, for forming a first region distribution of the predetermined light intensity distribution on the basis of the incident beam; and a second basic element made of an optical material with optical activity, for forming a second region distribution of the predetermined light intensity distribution on the basis of the incident beam, wherein the first basic element and the second basic element have their respective thicknesses different from each other along a direction of transmission of light.06-11-2009
20090147234Beam transforming element, illumination optical apparatus, exposure apparatus, and exposure method with two optical elements having different thicknesses - A beam transforming element for forming a predetermined light intensity distribution on a predetermined surface on the basis of an incident beam includes a first basic element made of an optical material with optical activity, for forming a first region distribution of the predetermined light intensity distribution on the basis of the incident beam; and a second basic element made of an optical material with optical activity, for forming a second region distribution of the predetermined light intensity distribution on the basis of the incident beam, wherein the first basic element and the second basic element have their respective thicknesses different from each other along a direction of transmission of light.06-11-2009
20090147235Beam transforming element, illumination optical apparatus, exposure apparatus, and exposure method with two optical elements having different thicknesses - A beam transforming element for forming a predetermined light intensity distribution on a predetermined surface on the basis of an incident beam includes a first basic element made of an optical material with optical activity, for forming a first region distribution of the predetermined light intensity distribution on the basis of the incident beam; and a second basic element made of an optical material with optical activity, for forming a second region distribution of the predetermined light intensity distribution on the basis of the incident beam, wherein the first basic element and the second basic element have their respective thicknesses different from each other along a direction of transmission of light.06-11-2009
20090323041Beam transforming element, illumination optical apparatus, exposure apparatus, and exposure method with two optical elements having different thicknesses - A beam transforming element for forming a predetermined light intensity distribution on a predetermined surface on the basis of an incident beam includes a first basic element made of an optical material with optical activity, for forming a first region distribution of the predetermined light intensity distribution on the basis of the incident beam; and a second basic element made of an optical material with optical activity, for forming a second region distribution of the predetermined light intensity distribution on the basis of the incident beam, wherein the first basic element and the second basic element have their respective thicknesses different from each other along a direction of transmission of light.12-31-2009
20100002219Illuminant distribution evaluation method, optical member manufacturing method, illumination optical device, exposure apparatus, and exposure method - There is disclosed an evaluation method for evaluating a one-dimensional illumination distribution using polynomials, the method comprising steps of: setting up, as the polynomials, one-dimensional power polynomials which are orthogonal in a closed interval; and approximating the one-dimensional illumination distribution with the power polynomials to obtain the coefficients of respective terms of the power polynomials.01-07-2010
20110273692Beam transforming element, illumination optical apparatus, exposure apparatus, and exposure method with two optical elements having different thicknesses - A beam transforming element for forming a predetermined light intensity distribution on a predetermined surface on the basis of an incident beam includes a first basic element made of an optical material with optical activity, for forming a first region distribution of the predetermined light intensity distribution on the basis of the incident beam; and a second basic element made of an optical material with optical activity, for forming a second region distribution of the predetermined light intensity distribution on the basis of the incident beam, wherein the first basic element and the second basic element have their respective thicknesses different from each other along a direction of transmission of light.11-10-2011
20110273693Beam transforming element, illumination optical apparatus, exposure apparatus, and exposure method with two optical elements having different thicknesses - A beam transforming element for forming a predetermined light intensity distribution on a predetermined surface on the basis of an incident beam includes a first basic element made of an optical material with optical activity, for forming a first region distribution of the predetermined light intensity distribution on the basis of the incident beam; and a second basic element made of an optical material with optical activity, for forming a second region distribution of the predetermined light intensity distribution on the basis of the incident beam, wherein the first basic element and the second basic element have their respective thicknesses different from each other along a direction of transmission of light.11-10-2011
20110273698Beam transforming element, illumination optical apparatus, exposure apparatus, and exposure method with two optical elements having different thicknesses - A beam transforming element for forming a predetermined light intensity distribution on a predetermined surface on the basis of an incident beam includes a first basic element made of an optical material with optical activity, for forming a first region distribution of the predetermined light intensity distribution on the basis of the incident beam; and a second basic element made of an optical material with optical activity, for forming a second region distribution of the predetermined light intensity distribution on the basis of the incident beam, wherein the first basic element and the second basic element have their respective thicknesses different from each other along a direction of transmission of light.11-10-2011

Patent applications by Mitsunori Toyoda, Sendai JP