There are many kinds of the modern dielectric thin films in common use, which are classified according to their compositions as three: inorganic, organic and combined.
现代常用的介质薄膜种类很多，按其成分可分为无机薄膜、有机薄膜和复合薄膜三类。
2
Compared to inorganic materials, polymeric materials have larger electro-optical response, lower dielectric constant, and higher damage threshold, and are easier to be processed.