DIFF Subgroup
H01G 4/018 Dielectrics
Introduced: January 1995
Full Title
Full titles differ between systems:
IPC:
Fixed capacitors; Processes of their manufacture > Details > Dielectrics
CPC:
Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G9/00) > Details > Dielectrics
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
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- H01G 4/20 using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 (H01G4/12 takes precedence) since 1974 +2 CPC IPC+CPC Available in IPC and CPC