Having pnp and npn or pand nchannel semiconductor elements on or within the same integrated-circuit substrate or working together in the same functional amplifier state.

Related Terms

POINT CONTACT

A contact between a specially prepared semiconductor surface and a metal point, usually maintained by mechanical periphery.

POINT-CONTACT DIODE

A semiconductor rectifier that uses the barrier formed between a specially prepared semiconductor surface and a metal point to produce the rectifying action.

PNPN DIODE

A semiconductor device consisting of four alternate layers of p-type and n-type semiconductor material, with terminal connections to the two outer layers. Also known as npnp diode.

PN JUNCTION

The interface between two regions in a semiconductor crystal which have been treated so that one is a p-type semiconductor and the other is an n-type semiconductor; it contains a permanent dipole charge layer.

PHOTOFABRICATION

In manufacturing circuit boards and integrated circuits, a process in which the etching pattern is placed over the circuit board or semiconductor material, the board or chip is placed in a special solution, and the assembly is exposed to light.

PHOTOCAPACITATIVE EFFECT

A change inthe capacitance of a bulk semiconductor or semi-conductor surface film upon exposure to light.photoelectric detector See photodetector.

PHOTODIODE

A semiconductor diode in which the reverse current varies with illumination; examples include the alloy-junction photocell and the grown-junction photocell. Also known as photoconductor diode.

OSCILLISTOR

A bar of semiconductor material, such as germanium, that will oscillate much like a quartz crystal when it is placed in a magnetic field and is carrying direct current that flows parallel to the magnetic field.

N-TYPE SEMICONDUCTOR

An extrinsic semiconductor in which the conduction electron density exceeds the hole density.

MULTIPLICATION

An increase in current flow through a semiconductor because of increased carrier activity.

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