Photoelectric switches (optical switches) for mechanical gaming keyboard (optical mechanical keyboard switch) - Custom Best RGB Backlit Programmable Mechanical Keyboard China
Sorry for the crap drawing but how cool would razer blues be? Opto-mechanical switches but they're silent and tactile. Would be great for the razer huntsman TE/elite : razer
Opto-mechanical Switches | II-VI Incorporated
Razer Huntsman Elite keyboard now comes with linear optical switches - SlashGear
Razer-Opto-Mechanical-Switch-Render2_R1 | TheGWW
Super-fast electro-opto-mechanical switch for quantum computers - Swiss Quantum Hub
The All New Razer Opto-Mechanical Switch - Razer Huntsman Family