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- 16:54, 25 June 2026 Cornish semiconductor talk contribs created page Perikon diode (Created page with "right <blockquote>At Fig. 11 we have the Perikon Detector developed by G. W. Pickard. This detector consists of two crystals--copper pyrites (Cu Fe S2) and zincite (zinc oxide ZnO), held in firm contact against each other in the manner shown. The copper pyrite crystal is mounted in a cup mounted on a spring-actuated rod provided with a suitable knob, by which it can be swung in any direction. Zincite crystals are mounted in a large cup containing...")
