Patent ID: 8822305
Filing Date: 2014-09-02
Classification: G02F,H01L

Abstract:
1. A manufacturing method of a substrate provided with semiconductor films, comprising: preparing a base substrate and a plurality of single crystal semiconductor substrates; forming on a first tray, a damaged region at a desired depth of each of the plurality of single crystal semiconductor substrates by irradiating the plurality of single crystal semiconductor substrates with ions, an insulating layer over an upper surface of each of the plurality of single crystal semiconductor substrates, and a bonding layer over the insulating layer; disposing on a second tray, the plurality of single crystal semiconductor substrates with the damaged region, the insulating layer, and the bonding layer; making the plurality of single crystal semiconductor substrates in close contact with the base substrate with the bonding layer interposed therebetween, so that the base substrate and the plurality of single crystal semiconductor substrates are bonded to each other; and generating cracks in the damaged region by heating the plurality of single crystal semiconductor substrates, so that a plurality of single crystal semiconductor layers separated from the plurality of single crystal semiconductor substrates are formed over the base substrate, wherein each of the plurality of single crystal semiconductor substrates has a length of a long side which is n times a length of a side of one shot of a light-exposing region of a reduced projection exposure apparatus (n is an arbitrary positive integer, and n≧1), and wherein each of the first tray and the second tray is a plate-like member provided with a plurality of depression portions which have a rectangular shape.