Silicon carbide was the initial commercially important semiconductor material. A crystal radio "carborundum" (synthetic silicon carbide) detector diode was patented by Henry Harrison Chase Dunwoody in 1906. It observed much early use in shipboard receivers. Other uses are in floor coverings, fabrics and textiles, ceramics, ink, roofing materials, and catalysts https://claytonkkjii.blogripley.com/36567583/examine-this-report-on-aluminum-oxide