一.概述: 1.名称:硼微晶玻璃片状扩散源简称PWB片状源或叫氧化硼片。 PWB是以硼—微晶—玻璃的汉语拼音第一个字母PWB命名的。 美国于1975年首先使用,称Boron~+片,国内于1979年试用并(钅监)定。由上海有色光学玻璃厂制造。 2.PWB片的主要成分及性质: I. Overview: 1. Name: boron glass flake diffusion source referred to as PWB flaky source or called boron oxide tablets. PWB is named after the first letter of the Pinyin of the boron-crystallite-glass PWB. The United States first used in 1975, said Boron ~ + film, the domestic trial in 1979 and (钅 prison) set. Manufactured by Shanghai Nonferrous Optical Glass Factory. 2.PWB film the main components and nature: