我国应尽快制订新国标扩充ＣＢＮ牌号近年来我国通过对ＣＢＮ合成的深入研究，ＣＢＮ研制技术取得突破性进展，黑色、琥珀色－及棕色等高品级的ＣＢＮ单晶相继推出。现行国标ＧＢ６４０８—８６立方氨化硼技术条件》中只有两个ＣＢＮ单晶牌号ＣＢＮＩ和ＣＢＮⅡ，与当时Ｃ... China should formulate new national standards as soon as possible to expand CBN grades. In recent years, through in-depth research on CBN synthesis in China, breakthroughs have been made in CBN development technologies. High-grade CBN single crystals such as black, amber, and brown have been introduced. There are only two CBN single crystal brands CBNI and CBNII in the current national standard GB6408-86 Cubic Ammonia Boron Technical Specifications, and at the time C...