PROBLEM TO BE SOLVED: To provide an organic thin film transistor improved in on/off-ratio or the like while easily obtaining the patterning effect of an organic semiconductor layer.;SOLUTION: The system is provided with a substrate 10, a gate electrode 11 disposed on the substrate 10, a gate insulating film 12 disposed on the electrode 11, a source electrode 13 and a drain electrode 14 spaced from each other and disposed on the film 12, the organic semiconductor layer 15 that makes the electrode 13 contact with the electrode 14 and has terminals that discriminate adjacent organic thin film transistors from one another, and a cantilever layer 16 that is disposed to cover the layer 15, disposed in the same layer as in the layer 15 or at a lower position of the layer 15, and contacts with portion exposed to the outside of the end 15a of the layer 15.;COPYRIGHT: (C)2007,JPO&INPIT
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