DIFF Subgroup
H03H 3/007 for the manufacture of electromechanical resonators or networks
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
Of 6 combined children, 4 exist in both systems.
2 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H03H 3/013 for obtaining desired frequency or temperature coefficient ( H03H3/04, H03H3/10 take precedence) since 1980 IPC+CPC Available in IPC and CPC
- H03H 3/02 for the manufacture of piezoelectric or electrostrictive resonators or networks (H03H3/08 takes precedence) +7 CPC IPC+CPC Available in IPC and CPC
- H03H 3/06 for the manufacture of magnetostrictive resonators or networks IPC+CPC Available in IPC and CPC
- H03H 3/08 for the manufacture of resonators or networks using surface acoustic waves since 1980 IPC+CPC Available in IPC and CPC