Patent ID: 7829433
Filing Date: 2010-11-09
Classification: H01L,Y10T

Abstract:
1. A method for manufacturing a semiconductor device, comprising the steps of: heat treating a semiconductor substrate in an oxidizing atmosphere containing a halogen to form an oxide film on the semiconductor substrate at a temperature higher than or equal to a strain point of a support substrate having an insulating surface; irradiating the oxide film with an ion to form a separation layer in the semiconductor substrate; forming a blocking layer over the oxide film at a temperature equal to or lower than the strain point of the support substrate having the insulating surface; forming a bonding layer over the blocking layer; superposing the semiconductor substrate and the support substrate having the insulating surface with the oxide film, the blocking layer and the bonding layer interposed therebetween, and separating in the separate layer to leave a portion of the semiconductor substrate over the support substrate having the insulating surface.