一、前言目前据我们所了解,在光学元件上镀三防膜,常用的方法有浸渍法、熏蒸法、手涂法、离心法以及最近的射频法等。这些方法都具有一定的优点,因此,至今国内外仍然用这些方法研究出各种三防膜。我们遵照毛主席“自力更生为主,争取外援为辅,破除迷信,独立自主地干工业、干农业,干技术革命和文化革命”的教导,在研究光学三 I. Preface At present, as far as we know, three optical coatings are coated on the optical components. The commonly used methods are immersion method, fumigation method, hand coating method, centrifugal method and the recent radio frequency method. These methods all have certain advantages. Therefore, so far these methods have been used to study all kinds of three anti-membrane. In accordance with the teaching of Chairman Mao’s principle of "relying mainly on self-reliance, seeking foreign aid as a supplement, breaking superstition and independently working in industry, agriculture, technological revolution and the cultural revolution,