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虽然CPT技术被人们认为是一种成熟的技术，但近来仍有一些显著的进展。通过对最新发展趋势的调查，发现有许多新技术已经用到了象松下的全平面管（PureFlatTube）、东芝的微滤色器（MicroFilter）管、NEC的净色（ChromaClear）管等这样的商品之中。本文以CRT各元件为着眼点，评述近年出现的新技术，讨论未来的发展趋势。为使CRT在LCD和PDP的双重竞争中不被淘汰，这样做是非常必要的。
Although CPT technology is considered as a mature technology, there have been some notable improvements lately. Through the investigation of the latest development trend, many new technologies have been found, such as the PureFlatTube of Panasonic, the MicroFilter of Toshiba, the NEC of the ChromaClear, etc. in. In this paper, CRT components as the focus, review of the emerging technologies in recent years to discuss the future trends. In order to CRT in the dual competition between LCD and PDP will not be eliminated, this is very necessary.