Panasonic Microwave Ovens with Inverters Technical Manual page 42

IC: Integrated Circuit. An interconnected network of electrochemical elements
integrated into a tiny electronic circuit that performs at least one, and usually
more, logic functions.
IEC: International Electro-technical Commission.
IMPEDANCE: A combination of resistance and reactance that offers opposition
to the flow of current in a circuit. Impedance is usually expressed in ohms.
INDUCTANCE: The property of a circuit that causes a magnetic field to be
produced which tends to oppose any change in the existing current flow. The
basic unit of inductance is the Henry.
INDUCTION: The act or process by which a voltage is produced by the relative
motion of a magnetic field across a conductor. Induction can also be define as,
the process by which a magnetic field is produced by the variance of an electric
current through a conductor.
INFINITE OHMS: An incalculably high amount of electrical resistance—
essentially an open circuit.
INSULATOR: An implement having high electrical resistance, used for
supporting, surrounding, or separating conductors so as to prevent undesired
current flow between the conductors or to other objects.
INTERFACE CIRCUITRY: Serves to link the otherwise incompatible high-
impedance circuits of the microprocessor and the high-potential circuits of
external components.
ISO: International Organization for Standardization
IONIZING: The dislodging of orbital electrons from atoms, creating electrically
charged, highly unstable, and chemically reactive atoms, called ions, which are
damaging to living cells.
LAYER SHORT: A condition in a transformer in which two adjacent windings
come into abnormal contact with each other through the insulating layer.
LC CIRCUIT: A circuit containing inductive reactance and capacitive reactance.
LCD: Liquid Crystal Display. A digital display, which utilizes a liquid crystal
material to form digits and characters without generating any light. The liquid
crystal material separates and is sealed-in by two sheets of glass, one of which
has character-forming segments etched into it and serves as the viewing
side. When voltage is applied to the electrodes that extend from each of the
etched segments, the liquid adjacent to the segments changes tone (usually
darkens), thus forming visible characters.
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