Patent ID: 8987148
Filing Date: 2015-03-24
Classification: H01L,Y10S

Abstract:
1. A semiconductor device manufacturing method for manufacturing a semiconductor device, the method comprising the following steps: (a) providing a semiconductor manufacturing system having a vacuum chamber, and a stage disposed inside the vacuum chamber, the stage being provided with protrusions formed on an upper surface thereof, an adsorption port for adsorbing a wafer thereto, and a heating unit: (b) conducting a process including placing the wafer over the stage, the stage being kept in an as-heated state, setting a pressure inside the vacuum chamber to a first pressure, and subsequently holding the first pressure for the duration of a first time; and (c) conducting a heating process including raising the pressure inside the vacuum chamber to a second pressure higher than the first pressure with the stage kept in the as-heated state after the step (b) to thereby heat up the wafer, wherein the first pressure in the step (b) is set such that an average warming rate of the wafer until 5 seconds from placement of the wafer over the stace is kept at 0.2° C./sec or lower.