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1 results about "Nanolithography" patented technology

Nanolithography is a growing field of techniques within nanotechnology dealing with the engineering (etching, writing, printing) of nanometer-scale structures. From Greek, the word can be broken up into three parts: "nano" meaning dwarf, "lith" meaning stone, and "graphy" meaning to write, or "tiny writing onto stone." Today, the word has evolved to cover the design of structures in the range of 10⁻⁹ to 10⁻⁶ meters, or structures in the nanometer range. Essentially, field is a derivative of lithography, only covering significantly smaller structures. All nanolithographic techniques can be separated into two categories: those that etch away molecules leaving behind the desired structure, and those that directly write the desired structure to a surface (similar to the way a 3D printer creates a structure).

Myopia prevention and control optical lens based on partition modulation and edge fusion

PendingCN122362696ANanolithographyOphthalmology
The application relates to a myopia prevention and control optical lens based on zoning modulation and edge fusion, and belongs to the technical field of optical lenses. An optical function zone is sequentially provided with a central optical zone, an annular defocus zone and a point-shaped nano lithography point zone from the center of the lens outward, the central optical zone accurately corresponds to the macular fovea region of the retina, the annular defocus zone is arranged with concentric annular defocus microstructure units, and the point-shaped nano lithography point zone is arranged at the periphery of the annular defocus zone and the gap between the annular zones, and serves as an optical buffer zone to soften the optical transition edge.
Owner:JIANGSU JAEJER OPTICAL CO LTD