ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,412, issued on Sept. 2, was assigned to Platinum Optics Technology Inc. (Taoyuan, Taiwan).
"Infrared band pass filter having Si:NH layers with refraction index greater than 3.5" was invented by Cheng-Tang Mu (Taoyuan, Taiwan) and Yu-Ching Su (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an infrared band pass filter, which comprises a first multilayer film. The first multilayer film including a plurality of Si:NH layers and a low refraction index layer. The plurality of low refraction index layers are stacked with Si:NH layers alternatively; wherein the difference between the refraction index of Si:...