IPC Subgroup
H01P 3/18 built-up from several layers to increase operating surface, i.e. alternately conductive and dielectric layers
Introduced: September 1968
Last revised: January 2006
Full Title
Waveguides; Transmission lines of the waveguide type > built-up from several layers to increase operating surface, i.e. alternately conductive and dielectric layers
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE