physics
12 articles tagged physics.
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Perturb-and-Observe Maximum-Power-Point Tracking
How a solar inverter nudges panel voltage, measures power changes, and follows the changing point of highest photovoltaic output.
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EUV Reflective Masks, Mirrors, and Vacuum Optics
How EUV masks and projection mirrors pattern wafers, and why 13.5-nanometer light forces the entire optical path into vacuum.
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Chemical-Mechanical Planarization in Semiconductor Fabrication
How a rotating pad, reactive abrasive slurry, and feedback controls flatten wafer layers while preserving the devices underneath.
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Pulse-Doppler Radar Range and Velocity Processing
How coherent pulse trains separate echo delay from Doppler phase, and why PRF creates blind speeds and ambiguous range-Doppler measurements.
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Atomic Layer Deposition and Conformal Semiconductor Films
How alternating, self-limiting surface reactions deposit uniform films inside the smallest semiconductor features.
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Rapid Thermal Annealing of Ion-Implanted Wafers
How a brief high-temperature pulse repairs implant damage and activates dopants while keeping junctions from spreading by diffusion.
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Semiconductor Photoresist and EUV Chemical Amplification
How EUV photons create acid, change resist solubility during bake, and produce a printable pattern during development.
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Chemical-Mechanical Planarization of Semiconductor Wafers
How slurry, polishing pads, dishing, and erosion turn uneven wafer layers into flat surfaces for multilayer chip fabrication.
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Semiconductor Lithography Alignment and Overlay Budgets
How lithography uses wafer and reticle marks to register circuit layers, measure overlay error, and keep placement errors within a manufacturing budget.
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Ion Implantation and Electrical Regions in Silicon
How implant energy and dose place dopants in a wafer, and how annealing turns that damaged profile into a working electrical region.
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Photon Shot Noise in EUV Lithography
How random EUV photon counts create missing or malformed wafer features, and how fabs measure and reduce those stochastic defects.
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Chemical-Mechanical Polishing in Semiconductor Fabrication
How CMP uses a chemical slurry and rotating pad to flatten wafers for reliable alignment and focus in later lithography.