ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,757, issued on Nov. 25, was assigned to AGC Inc. (Tokyo).
"Crystallized glass, high-frequency substrate, and method for manufacturing crystallized glass" was invented by Takato Kajihara (Tokyo), Hiroyuki Hijiya (Tokyo), Tomonori Ogawa (Tokyo) and Kosho Akatsuka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a crystallized glass including a crystalline phase consisting of Ba-Si-O, in which the crystallized glass includes Li, and crystallinity of Li-based crystals contained in the crystalline phase is 20% or lower as represented by weight %, a high-frequency substrate including the crystallized glass, and a manu...