Patent ID: 7012386

Claim:
An RF window for use in a waveguide comprising: a center sleeve assembly including a ceramic disc mounted within a copper sleeve; said ceramic disc having opposed surfaces and a ceramic surface coating being applied to each of the opposed surfaces; said ceramic surface coatings being selected for a particular application of the RF window; a pair of end assemblies removably assembled with said center sleeve assembly; and each said end assembly including an adjustable plunger end assembly; said adjustable plunger end assembly including an intermediary ring for removable assembly with said center sleeve assembly and a mating face; said mating face being arranged for adjustable slip fit engagement within said copper sleeve of the center sleeve assembly to define a respective cavity on opposed sides of the ceramic disc with said mating face being positioned to an adjusted position; and said intermediary ring being fixedly secured to said end assembly with said mating face at said adjusted position.