DIFF Subgroup
H03H 3/08 for the manufacture of resonators or networks using surface acoustic waves
Introduced: January 1980
Full Title
Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators > for the manufacture of electromechanical resonators or networks > for the manufacture of resonators or networks using surface acoustic waves
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- H03H 3/10 for obtaining desired frequency or temperature coefficient since 1980 IPC+CPC Available in IPC and CPC