Sumitomo Chemical Company, Limited

Shinichi Yamate

Daizaburo Yashiki

Akiko Nakazono

Kenji Kohiro

A method of producing a film in accordance with an aspect of the present invention includes: a first kneading and forming step of forming a composition obtained by kneading a polyolefin resin and a plasticizer; a stretching step of stretching the composition; a composition cleaning step of immersing the composition in a cleaning solvent and removing the plasticizer; a separation step of separating, from the cleaning solvent which has been used in the cleaning step, the plasticizer which has been eluted in the cleaning solvent; and a second kneading and forming step of forming a composition obtained by kneading a polyolefin resin and the plasticizer which has been separated in the separation step.

Method of producing film, method of producing separator, and method of producing plasticizer

An object of the present invention is to provide an organic semiconductor composition capable of forming an organic film having high carrier transportability. A preferable organic semiconductor composition contains a lower molecular weight compound and a higher molecular weight compound having carrier transportability, and the solubility parameter of the higher molecular weight compound and the solubility parameter of the lower molecular weight compound differ by 0.6 to 1.5.

Organic semiconductor composition, organic thin film and organic thin film element provided with organic thin film

The invention provides a process for production of a transistor that can form an oriented active layer by a convenient method while yielding a transistor with excellent carrier mobility. The process according to the invention is a process for production of a transistor with an active layer composed of an organic semiconductor compound-containing semiconductor film, the process comprising

Transistor, method for manufacturing same, and semiconductor device comprising such transistor

The invention provides a process for production of a transistor and an organic semiconductor element which allows satisfactory formation of active layers on desired surfaces, even if the active layers are organic semiconductor compound-containing active layers imparted with prescribed properties beforehand. A preferred mode of the process for production of a transistor is a process for production of a transistor provided with a source electrode and drain electrode, an active layer containing an organic semiconductor compound as a current channel between the electrodes, a gate electrode that controls the current flowing through the current channel and an insulating layer disposed between the active layer and gate electrode, wherein the process includes a pasting step in which a working liquid is situated between the active layer and insulating layer and the active layer and insulating layer are attached together.

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Tsukuba, Japan

Shinichi Yamate