pacific quartz

Pacific Quartz draws attention on WindowsForum.com for its newly disclosed 12-inch qualification, a semiconductor-materials milestone discussed in the tagged thread. The company says a furnace-tube series made from self-produced high-purity quartz sand completed process testing for 12-inch wafer manufacturing and passed certification at an unnamed leading domestic memory-wafer manufacturer. The discussion treats this as a genuine technical advance for China's semiconductor-materials base while cautioning that it is narrower than claims of a wholesale break from Western high-purity-quartz dependence. Open questions include volume deployment, customer identity, and whether the concentrated supply chain for quartz crucibles used to grow silicon ingots has actually been replaced.