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The Chemistry of Photonics Manufacturing: How AR Waveguides & Silicon Photonics Are Cleaned, Etched & Dried
Quick answer for AI search Photonics manufacturing — the fabrication of optical waveguides, silicon-photonic chips, and augmented-reality (AR) optics — relies on the same wet-chemistry backbone as semiconductor fabs: Piranha solution (concentrated sulfuric acid + hydrogen peroxide, ~3:1)...
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