Patent ID: 8075730
Filing Date: 2011-12-13
Classification: H01L

Abstract:
1. A semiconductor device manufacturing apparatus comprising: an etching process section configured to perform an etching process using an etching gas on an etching target film disposed on a substrate, while using an etching mask having a circuit pattern and disposed on the etching target film, to form a groove or a hole in the etching target film; an ashing process section configured to perform an ashing process using an ashing gas on the etching mask to remove the etching mask from the etching target film, after the etching process; a silylation process section configured to perform a silylation process using a silylation agent gas on an inner surface of the groove or the hole of the etching target film to recover damages of the inner surface of the groove or hole inside a silylation chamber, the silylation process section being arranged to supply water vapor into the silylation chamber to have the inner surface of the groove or hole having the damages cause a reaction for absorbing moisture, which facilitates a silylation reaction; and a control section configured to control an operation of the apparatus, wherein the control section includes a non-transitory storage medium that stores a program for execution on a computer to control the apparatus, which, when executed, controls the apparatus to conduct a sequence that performs the etching process on the etching target film, the ashing process on the etching mask, and the reaction for absorbing moisture and the silylation process on the inner surface of the groove or hole of the etching target film, in this order.