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Digital writing is more than just a skill; it is a means of interfacing with ideas and with the world, a mode of thinking and expressing in all grades and disciplines. Digital writing can help students develop critical thinking skills and support learning across all subject areas.
Digital writing of large diffraction grating patterns
A substrate (40, 70, 90, 220) comprises a first planar surface (46, 92) and a second planar surface (46, 92). A first diffraction pattern is arranged along one of said first and second planar surfaces (46, 92), wherein said first diffraction pattern includes a first plurality of diffractive features (50). A second diffraction pattern is arranged along one of said first and second planar surfaces (46, 92), wherein said second diffraction pattern includes a second plurality of diffractive features (50). At least one of said first and second pluralities of diffractive features (50) comprise stepped line diffractive features (52). A virtual image near-eye display system comprises at least one planar waveguide including the substrate (40, 70, 90, 220). A beam writing system comprises a first platform operable to translate in x and y directions and a second platform operable to rotate about a perpendicular axis, wherein the substrate (40, 70, 90, 220) is coupled to the beam writing system.
Owner:VUZIX CORP