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Including some 500 new terms defined and remaining terms updated and modified, a 2nd edition book version of this glossary is now available.


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Term (Index) Definition
ashing  removal (by volatilization) of organic materials (e.g. photoresist) from the wafer surface using strongly oxidizing ambient; e.g. oxygen plasma ashing.
photoresist  photo-sensitive material used in photolithography to transfer pattern from the mask onto the wafer; a liquid deposited on the surface of the wafer as a thin film then solidified by low temperature anneal; in the areas in which photoresist can be reached by UV radiation photochemical reactions change its properties, specifically, solubility in the developer; two types of photoresist: positive and negative.
stripping  process of material removal from the wafer surface; typically implies that removal is not carried out for the pattering purpose, e.g. resist stripping in which case entire resist is removed following lithography and etching.
Term (Index) Definition
plasma ashing  removal of organic materials (e.g. photresist) by oxidation using plasma generated oxidizing species.
resist ashing  process of resist removal in strongly oxidizing gaseous atmosphere.
resist stripping  resist removal; process in which resist is removed from the surface when its is not needed any longer, i.e. after completion of etching operation, or ion implantation; can be greatly hampered by changes in the chemical composition of the resist occurring during processing, e.g. during ion implantation; carried out using either wet or dry (ashing) strongly oxidizing chemistries; can be greatly hampered by changes in chemical composition of the resist occuring during processing, e.g. during ion implantation.
stripping  process of material removal from the wafer surface; typically implies that removal is not carried out for the pattering purpose, e.g. resist stripping in which case entire resist is removed following lithography and etching.
Term (Index) Definition
resist ashing  process of resist removal in strongly oxidizing gaseous atmosphere.
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Jerzy Ruzyllo is a Distinguished Professor Emeritus in the Department of Electrical Engineering at Penn State University.



This book gives a complete account of semiconductor engineering covering semiconductor properties, semiconductor materials, semiconductor devices and their uses, process technology, fabrication processes, and semiconductor materials and process characterization.


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Created and operated by J. Ruzyllo. Copyright © J. Ruzyllo 2001-2016. All rights reserved.

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.