Patent application number | Description | Published |
20090098720 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - A manufacturing method of a semiconductor device of the present invention includes the steps of forming a first insulating film over a substrate, forming a semiconductor film over the first insulating film, oxidizing or nitriding the semiconductor film by conducting a plasma treatment to the semiconductor film under a condition of an electron density of 1×10 | 04-16-2009 |
20090194803 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a semiconductor device capable of being mass-produced and a manufacturing method of the semiconductor device. The present invention also provides a semiconductor device using an extreme thin integrated circuit and a manufacturing method of the semiconductor device. Further, the present invention provides a low power consumption semiconductor device and a manufacturing method of the semiconductor device. According to one aspect of the present invention, a semiconductor device that has a semiconductor nonvolatile memory element transistor over an insulating surface in which a floating gate electrode of the memory transistor is formed by a plurality of conductive particles or semiconductor particles is provided. | 08-06-2009 |
20090250758 | MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE, EVALUATION METHOD OF SEMICONDUCTOR DEVICE, AND SEMICONDUCTOR DEVICE - A semiconductor element formed over the same substrate as a TFT, includes a semiconductor film having an impurity region; an insulating film formed over the semiconductor film; an electrode divided into a plurality of parts over the insulating film by spacing a distance a in a first direction (channel width direction); an insulator with a width b formed to be in contact with a side wall of the electrodes and an insulator formed in a region between the electrodes divided into a plurality of parts; a silicide layer formed over part of the surface of the impurity region; and characteristics of the TFT are evaluated by measuring resistance of the semiconductor film of the semiconductor element. | 10-08-2009 |
20100029068 | SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE PRODUCTION SYSTEM - A semiconductor device production system using a laser crystallization method is provided which can avoid forming grain boundaries in a channel formation region of a TFT, thereby preventing grain boundaries from lowering the mobility of the TFT greatly, from lowering ON current, and from increasing OFF current. Rectangular or stripe pattern depression and projection portions are formed on an insulating film. A semiconductor film is formed on the insulating film. The semiconductor film is irradiated with continuous wave laser light by running the laser light along the stripe pattern depression and projection portions of the insulating film or along the major or minor axis direction of the rectangle. Although continuous wave laser light is most preferred among laser light, it is also possible to use pulse oscillation laser light in irradiating the semiconductor film. | 02-04-2010 |
20100237354 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - It is an object of the present invention to provide a method of separating a thin film transistor, and circuit or a semiconductor device including the thin film transistor from a substrate by a method different from that disclosed in the patent document 1 and transposing the thin film transistor, and the circuit or the semiconductor device to a substrate having flexibility. According to the present invention, a large opening or a plurality of openings is formed at an insulating film, a conductive film connected to a thin film transistor is formed at the opening, and a peeling layer is removed, then, a layer having the thin film transistor is transposed to a substrate provided with a conductive film or the like. A thin film transistor according to the present invention has a semiconductor film which is crystallized by laser irradiation and prevents a peeling layer from exposing at laser irradiation not to be irradiated with laser light. | 09-23-2010 |
20100237418 | SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME - It is an object of the present invention to manufacture a thin film transistor having a required property without complicating steps and devices. It is another object of the present invention to provide a technique for manufacturing a semiconductor device having high reliability and better electrical characteristics with a higher yield at lower cost. In the present invention, a lightly doped impurity region is formed in a source region side or a drain region side of a semiconductor layer covered with a gate electrode layer in a thin film transistor. The semiconductor layer is doped diagonally to the surface thereof using the gate electrode layer as a mask to form the lightly doped impurity region. Therefore, the properties of the thin film transistor can be minutely controlled. | 09-23-2010 |
20100297809 | ORGANIC TRANSISTOR, MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE AND ORGANIC TRANSISTOR - It is an object to form a high quality gate insulating film which is dense and has a strong insulation resistance property, and to propose a high reliable organic transistor in which a tunnel leakage current is little. One mode of the organic transistor of the present invention has a step of forming the gate insulating film by forming the conductive layer which becomes the gate electrode activating oxygen (or gas including oxygen) or nitrogen (or gas including nitrogen) or the like using dense plasma in which density of electron is 10 | 11-25-2010 |
20110031561 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME - The present invention provides a semiconductor device which suppresses a short circuit and a leakage current between a semiconductor film and a gate electrode generated by a break or thin thickness of a gate insulating film in an end portion of a channel region of the semiconductor film, and the manufacturing method of the semiconductor device. Plural thin film transistors which each have semiconductor film provided over a substrate continuously, conductive films provided over the semiconductor film through a gate insulating film, source and drain regions provided in the semiconductor film which are not overlapped with the conductive films, and channel regions provided in the semiconductor film existing under the conductive films and between the source and drain regions. And impurity regions provided in the semiconductor film which is not overlapped with the conductive film and provided adjacent to the source and drain regions. Further, the conductive films are provided over the channel regions and regions of the semiconductor film which are provided adjacent to the channel regions. | 02-10-2011 |
20110033990 | TRANSISTOR, AND DISPLAY DEVICE, ELECTRONIC DEVICE, AND SEMICONDUCTOR DEVICE USING THE SAME - It is an object of an invention disclosed in the present specification to provide a transistor having low contact resistance. In the transistor, a semiconductor film including an impurity element imparting P-type or N-type conductivity, an insulating film formed thereover, and an electrode or a wiring that is electrically connected to the semiconductor film through a contact hole formed at least in the insulating film are included; the semiconductor film has a first range of a concentration of the impurity element (1×10 | 02-10-2011 |
20120021588 | METHOD FOR MANUFACTURING SOI SUBSTRATE AND SEMICONDUCTOR DEVICE - One object is to provide excellent electric characteristics of an end portion of a single crystal semiconductor layer having a tapered shape. An embrittled region is formed in a single crystal semiconductor substrate by irradiating the single crystal semiconductor substrate with accelerated ions. Then, the single crystal semiconductor substrate and a base substrate are bonded to each other with an insulating film interposed therebetween and a first single crystal semiconductor layer is formed over the base substrate with the insulating film interposed therebetween by separating the single crystal semiconductor substrate at the embrittled region. After that, a second single crystal semiconductor layer having a tapered end portion is formed by performing dry etching on the first single crystal semiconductor layer, and etching is performed on the end portion of the second single crystal semiconductor layer in a state where a potential on the base substrate side is a ground potential. | 01-26-2012 |
20130105784 | ORGANIC TRANSISTOR, MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE AND ORGANIC TRANSISTOR | 05-02-2013 |
20140113440 | LASER IRRADIATION METHOD AND LASER IRRADIATION DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - The present invention is characterized in that by laser beam being slantly incident to the convex lens, an aberration such as astigmatism or the like is occurred, and the shape of the laser beam is made linear on the irradiation surface or in its neighborhood. Since the present invention has a very simple configuration, the optical adjustment is easier, and the device becomes compact in size. Furthermore, since the beam is slantly incident with respect to the irradiated body, the return beam can be prevented. | 04-24-2014 |
20140327092 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME - The present invention provides a semiconductor device which suppresses a short circuit and a leakage current between a semiconductor film and a gate electrode generated by a break or thin thickness of a gate insulating film in an end portion of a channel region of the semiconductor film, and the manufacturing method of the semiconductor device. Plural thin film transistors which each have semiconductor film provided over a substrate continuously, conductive films provided over the semiconductor film through a gate insulating film, source and drain regions provided in the semiconductor film which are not overlapped with the conductive films, and channel regions provided in the semiconductor film existing under the conductive films and between the source and drain regions. And impurity regions provided in the semiconductor film which is not overlapped with the conductive film and provided adjacent to the source and drain regions. Further, the conductive films are provided over the channel regions and regions of the semiconductor film which are provided adjacent to the channel regions. | 11-06-2014 |