Propylene glycol methyl ether acetate (PGMEA, 1-methoxy-2-propanol acetate) is a P-type
glycol ether
Glycol ethers are a class of chemical compounds consisting of alkyl ethers that are based on glycols such as ethylene glycol or propylene glycol. They are commonly used as solvents in paints and cleaners. They have good solvent properties whi ...
used in inks, coatings, and cleaners. It is sold by
Dow Chemical
The Dow Chemical Company, officially Dow Inc., is an American multinational corporation, multinational chemical corporation headquartered in Midland, Michigan, United States. The company is among the three List of largest chemical producers, larges ...
under the name Dowanol PMA, by Shell Chemical under the name methyl proxitol acetate, and by
Eastman Eastman may refer to:
People
* Eastman (surname)
* Eastman Nixon Jacobs (1902–1987), American aerodynamicist
* John Eastman (b 1960), American lawyer and founding director of the Center for Constitutional Jurisprudence
* Jonathan Eastman Johnso ...
under the name PM Acetate.
In the semiconductor industry, PGMEA is a commonly used
solvent
A solvent (s) (from the Latin '' solvō'', "loosen, untie, solve") is a substance that dissolves a solute, resulting in a solution. A solvent is usually a liquid but can also be a solid, a gas, or a supercritical fluid. Water is a solvent for ...
, primarily for the application of surface adherents such as
Bis(trimethylsilyl)amine
Bis(trimethylsilyl)amine (also known as hexamethyldisilazane and HMDS) is an organosilicon compound with the molecular formula CH3)3Sisub>2NH. The molecule is a derivative of ammonia with trimethylsilyl groups in place of two hydrogen atoms. An e ...
(HMDS) on silicon wafers. The compound is often the most abundant airborne, molecular
contamination
Contamination is the presence of a constituent, impurity, or some other undesirable element that spoils, corrupts, infects, makes unfit, or makes inferior a material, physical body, natural environment, workplace, etc.
Types of contamination ...
(AMC) in semiconductor cleanrooms,
due to its evaporation into ambient air.
References
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Glycol ethers
Acetate esters