Patents Assigned to Japan Atomic Energy Research Insititute
  • Conical diffraction grazing incidence spectrometer and diffraction grating for use in the spectrometer
    Publication number: 20030016355
    Abstract: An x-y coordinate is set on the surface of diffraction grating 3 with non-uniformly spaced grooves and expressed by the following series expansion which is a groove function describing a point (w,l) on the nth groove from the origin: 1 n = 1 σ ⁢ ∑ i , j ⁢ n i ⁢   ⁢ j ⁢ w i ⁢ l j ⁢   ⁢ ( i + j ≥ 1 )
    Type: Application
    Filed: July 10, 2002
    Publication date: January 23, 2003
    Applicant: Japan Atomic Energy Research Insititute
    Inventors: Masato Koike, Kazuo Sano, Yoshihisa Harada