Enabling High-Performance RF Devices with Photosensitive Glass Ceramics
A lower cost, highly accurate way to integrate passive devices.
Photosensitive glass was invented in November 1937 by Dr. Donald Stookey of the Corning Glass Works. It was made public 10 years later, on June 1, 1947, and patented in 1950. Most will know glass ceramics from their glass stove top or the iPhone 12 Corning Ceramic Shield screen.
Glass is amorphous, meaning it has no crystalline structure. It’s just a random assortment of molecules in a solid matrix. Ceramics, on the other hand, are crystalline structures of various types and compositions. Glass ceramics can exist in both the amorphous glassy phase and the crystalline ceramic phase. Glass ceramics are used in either one of those two states: 100% glass or 100% ceramic. For example, a Brown stove top is 100% ceramic, and the Samsung Gorilla Glass screen is 100% glass.
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