Precision Manufacturing of Large-Aperture Spherical Lenses
large-aperture spherical lens, optical precision, lens manufacturing, ion beam polishing, magnetorheological finishing, interferometry optics, semiconductor lithography lens

Solutions for the Performance Boundaries of Large-Aperture Spherical Lenses Abstract In the era of rapid advances in optoelectronic technology, large-aperture spherical lenses act as the “core pupil” of modern optical systems. Their performance determines the imaging precision and beam-control capability of high-end equipment—from deep-space telescopes to nanoscale lithography systems. Achieving nanoscale surface accuracy on millimeter-scale […]

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Understanding Semiconductor Lithography

Key Takeaways Lithography systems are vital for precise circuit patterning in semiconductor manufacturing. Exposure methods like contact/proximity and projection are utilized to produce desired patterns.  Accurate alignment via global/local marks and interferometry is crucial, and  the light sources used dictate resolution.  Extreme Ultraviolet Light (EUV) enables production of the finest features. Innovations in lithography are […]

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