Patent ID: 7820465
Filing Date: 2010-10-26
Classification: C03C,C23C,H01C,H01L,H05K

Abstract:
1. A method for forming a thin film transistor, comprising the steps of: forming a light-blocking first conductive layer over a major surface of a light-transmitting substrate; forming a first film in a first region over the substrate and the first conductive layer; forming a photocatalytic film in at least a part of the first region over the first film; heating the photocatalytic film in vacuum; changing wettability of the first film in a second region which is in the first region, being in contact with the photocatalytic film, and not overlapping the first conductive layer, by light irradiation from a back surface opposite to the major surface of the substrate; removing the photocatalytic film; and discharging a composition including a second conductive layer forming material in the second region so as to form a source and drain electrode.