Processing apparatus

A processing method of subjecting at least two stacked films, which comprise a first film and a second film of a target object to be processed, to a removing process by wet etching comprises bringing a first process liquid into contact with the first film of the target object, thereby etching the fi...

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Bibliographic Details
Main Author GALE GLENN
Format Patent
LanguageEnglish
Published 25.10.2011
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Abstract A processing method of subjecting at least two stacked films, which comprise a first film and a second film of a target object to be processed, to a removing process by wet etching comprises bringing a first process liquid into contact with the first film of the target object, thereby etching the first film, determining whether the first film has been removed or not, switching the first process liquid to a second process liquid differing in a condition from the first process liquid when it has been determined that the first film has been removed, and bringing the second process liquid into contact with the second film, thereby etching the second film.
AbstractList A processing method of subjecting at least two stacked films, which comprise a first film and a second film of a target object to be processed, to a removing process by wet etching comprises bringing a first process liquid into contact with the first film of the target object, thereby etching the first film, determining whether the first film has been removed or not, switching the first process liquid to a second process liquid differing in a condition from the first process liquid when it has been determined that the first film has been removed, and bringing the second process liquid into contact with the second film, thereby etching the second film.
Author GALE GLENN
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Snippet A processing method of subjecting at least two stacked films, which comprise a first film and a second film of a target object to be processed, to a removing...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
Title Processing apparatus
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