Ashing
the process of removing photoresist using an oxygen plasma or ultraviolet light generated ozone. Ashing produces no chemical waste, photoresist is volatilized into N2, O2, CO and CO2 gases. | ||||
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Ashing definition was found in categories: Language, Idioms & Slang(1) Encyclopedia(1)
Ashing Definition from Language, Idioms & Slang Dictionaries & Glossaries
| WordNet 2.0 |
ash
Noun
1. the residue that remains when something is burned
(hypernym) residue
(hyponym) fly ash
2. any of various deciduous pinnate-leaved ornamental or timber trees of the genus Fraxinus
(synonym) ash tree
(hypernym) tree
(hyponym) Yggdrasil, Ygdrasil
(member-holonym) Fraxinus, genus Fraxinus
(part-meronym) ash-key
3. strong elastic wood of any of various ash trees; used for furniture and tool handles and sporting goods such as baseball bats
(hypernym) wood
(substance-holonym) ash tree
Verb
1. convert into ashes
(hypernym) change, alter, modify
Noun
1. the residue that remains when something is burned
(hypernym) residue
(hyponym) fly ash
2. any of various deciduous pinnate-leaved ornamental or timber trees of the genus Fraxinus
(synonym) ash tree
(hypernym) tree
(hyponym) Yggdrasil, Ygdrasil
(member-holonym) Fraxinus, genus Fraxinus
(part-meronym) ash-key
3. strong elastic wood of any of various ash trees; used for furniture and tool handles and sporting goods such as baseball bats
(hypernym) wood
(substance-holonym) ash tree
Verb
1. convert into ashes
(hypernym) change, alter, modify
Ashing Definition from Encyclopedia Dictionaries & Glossaries
| Wikipedia English - The Free Encyclopedia |
Ashing
Ashing
A test to deduce the amount of ash forming material present in a petroleum product so as to decide it's use in certain applications. Ash-forming materials are considered to be undesirable impurities or contaminants.
The specimen is placed in a suitable vessel, evaporating dish or crucible and ignited. It is allowed to burn until only ash and carbon remains. The carbonaceous residue is reduced to ash by heating in a muffle Furnace at about 775oC, cooled and weighed.
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