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US 8,941,151 B2Granted
Patterning method, method of manufacturing organic field effect transistor, and method of manufacturing flexible printed circuit board
AssigneeSony Corporation
InventorAkihiro Nomoto
Life of this patent
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Abstract
In the condition where a nozzle for applying a coating liquid is disposed on the lower side of a substrate and a substrate surface controlled in wettability is faced down, the nozzle and the substrate are moved relative to each other, whereby the coating liquid is applied to a desired region of the substrate, and then the coating liquid is dried, to obtain a pattern included a dried coating layer.
Claims18
A device comprising:
- a substrate having a surface controlled in wettability;
- a first coating layer directly contacting the substrate;
- a channel formation region comprising a semiconductor material formed independently from the first coating layer and directly contacting the substrate, when the relationship of θ<θ′ is satisfied, in which θ is a contact angle between a first region of the surface of the substrate and the semiconductor material in liquid form, and θ′ is a contact angle between a second region of the surface of the substrate and the semiconductor material in liquid form, wherein a thickness of the first coating layer is substantially equal to a thickness of the channel formation region;
- and
- a source electrode and a drain electrode formed on the channel formation region.
2 more elements
Dependencies are inferred from the claim text.