Accession Number : ADD013032

Title :   Method of Making a Planar INP Insulated Gate Field Effect Transistor by a Virtual Self-Aligned Process.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Tseng,Wen F ; Bark,Marvin L

Report Date : 19 Mar 1985

Pagination or Media Count : 8

Abstract : This patent discloses a planar compound semiconductor insulated gate field effect transistor and a virtual self-aligned process for making the same. The device includes a semi-insulating Indium Phosphide substrate in which doped source and drain regions separated by a channel region are located. An insulated gate is located on the surface of the substrate over the channel region. The device is fabricated by a virtual or partially self-aligned method wherein the channel region is defined by forming channel alignment layers, are formed in the substrate by ion-implantation. The remainder of the device is formed on the surface of the substrate.

Descriptors :   *PATENTS, *ALIGNMENT, *SUBSTRATES, *CHANNELS, *GATES(CIRCUITS), *INDIUM PHOSPHIDES, DAMAGE, INSULATION, ION IMPLANTATION, LAYERS, SELF OPERATION, SURFACES, TRANSISTORS

Subject Categories : Solid State Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE