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Term (Index) Definition
LOCOS  Local Oxidation of Silicon; isolation scheme commonly used in MOS/CMOS silicon technology; thick (in the range of 500 nm) pad of thermally grown SiO2 separates adjacent devices (e.g. PMOS and NMOS transistor in CMOS structure); local oxidation is accomplished by using silicon nitride, Si3N4, to prevent oxidation of Si in selected areas, hence, "local" oxidation; prior to SiO2 pad formation silicon in between Si3N4 covered regions is implanted to form "channel stop"; Si3N4 mask is etched off following thermal oxidation and MOSFETs are ten formed in the open spaces.
isolation  in semiconductor terminology term typically refers to electrical isolation between two adjacent devices in an integrated circuit.
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Information in this glossary is provided at the author's discretion. Any liability based on, or related to the contents of this glossary is disclaimed.