Patents by Inventor Yuugo Goto
Yuugo Goto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7564139Abstract: It is an object of the present invention to provide a technique for making a semiconductor device thinner without using a back-grinding method for a silicon wafer. According to the present invention, an integrated circuit film is mounted, thereby making a semiconductor device mounting the integrated circuit film thinner. The term “an integrated circuit film” means a film-like integrated circuit which is manufactured based on an integrated circuit manufactured by a semiconductor film formed over a substrate such as a glass substrate or a quartz substrate. In the present invention, the integrated circuit film is manufactured by a technique for transferring.Type: GrantFiled: November 30, 2007Date of Patent: July 21, 2009Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hideaki Kuwabara, Junya Maruyama, Yumiko Ohno, Toru Takayama, Yuugo Goto, Etsuko Arakawa, Shunpei Yamazaki
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Publication number: 20090140053Abstract: A semiconductor device in which damages to an element such as a transistor are reduced even when external force such as bending is applied and stress is generated in the semiconductor device. The semiconductor device includes a first island-like reinforcement film over a substrate having flexibility; a semiconductor film including a channel formation region and an impurity region over the first island-like reinforcement film; a first conductive film over the channel formation region with a gate insulating film interposed therebetween; a second island-like reinforcement film covering the first conductive film and the gate insulating film.Type: ApplicationFiled: November 21, 2008Publication date: June 4, 2009Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Shunpei YAMAZAKI, Yuugo GOTO, Tsutomu MURAKAWA
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Patent number: 7541228Abstract: An object of the present invention is to provide a semiconductor device formed by laser crystallization by which formation of grain boundaries in the TFT channel formation region can be avoided, and a method of manufacturing the same. Still another object of the present invention is to provide a method of designating the semiconductor device.Type: GrantFiled: January 4, 2008Date of Patent: June 2, 2009Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kiyoshi Kato, Toshihiko Saito, Atsuo Isobe, Toru Takayama, Junya Maruyama, Yuugo Goto, Yumiko Ohno
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Patent number: 7534702Abstract: An efficient mass-production method of very small devices that can receive or transmit data in touch, preferably, out of touch is provided by forming an integrated circuit made of a thin film over a large glass substrate and transferring the integrated circuit to another backing to be divided. Especially, the integrated circuit made of a thin film is difficult to use since there is a threat that the integrated circuit is scattered in the handling of the integrated circuit since the integrated circuit is extremely thin. According to the present invention, multiple openings reaching a peel layer are provided, a material body having a pattern shape that does not cover regions (the openings and a device portion) is provided, and then, a gas or liquid containing fluorine halide is introduced to partially remove the peel layer.Type: GrantFiled: June 21, 2005Date of Patent: May 19, 2009Inventors: Tatsuya Arao, Yoshitaka Dozen, Daiki Yamada, Eiji Sugiyama, Tomoko Tamura, Junya Maruyama, Nozomi Horikoshi, Yuugo Goto
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Publication number: 20090102055Abstract: It is an object of the invention to provide semiconductor devices which can protect privacy of consumers or holders of commercial products and control the communication range according to use, even when the semiconductor device which can exchange data without contact is mounted on the commercial products. A semiconductor device of the invention includes an element group including a plurality of transistors over a substrate; a first conductive film functioning as an antenna over the element group; a second conductive film surrounding the first conductive film; an insulating film covering the first and second end portions; and a third conductive film over the insulating film. The first conductive film is provided in the shape of a coil, and each end portion of the first conductive film is connected to the element group. First and second end portions of the second conductive film are not connected to each other.Type: ApplicationFiled: May 26, 2006Publication date: April 23, 2009Applicant: Semiconductor Energy Laboratory CoInventors: Tomoyuki Aoki, Koji Dairiki, Yuugo Goto
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Patent number: 7518692Abstract: It is an object of the present invention to provide a highly sophisticated functional card that can ensure security by preventing forgery such as changing a picture of a face, and display other images as well as the picture of a face. A card comprising a display device and a thin film integrated circuit; wherein driving of the display device is controlled by the thin film integrated circuit; a semiconductor element used for the thin film integrated circuit and the display device is formed by using a polycrystalline semiconductor film; the thin film integrated circuit and the display device are sealed with a resin between a first substrate and a second substrate of the card; and the first substrate and the second substrate are plastic substrates.Type: GrantFiled: December 19, 2003Date of Patent: April 14, 2009Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Toru Takayama, Junya Maruyama, Yuugo Goto, Yumiko Ohno, Mai Akiba
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Publication number: 20090091014Abstract: To provide a thin film device which becomes possible to be formed in the portion which has been considered impossible to be provided with such device by the conventional technique, and to provide a semiconductor device which occupies small space and which has high shock resistance and flexibility, a device formation layer with a thickness of at most 50 ?m which was peeled from a substrate by a transfer technique is transferred to another substrate, hence, a thin film device can be formed over various substrates. For instance, a semiconductor device can be formed so as to occupy small space by pasting a thin film device which is transferred to a flexible substrate onto a rear surface of a substrate of a panel, by pasting directly a thin film device onto a rear surface of a substrate of a panel, or by transferring a thin film device to an FPC which is pasted onto a substrate of a panel.Type: ApplicationFiled: October 10, 2008Publication date: April 9, 2009Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Toru Takayama, Junya Maruyama, Yuugo Goto, Yumiko Ohno, Yasuyuki Arai, Noriko Shibata
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Publication number: 20090065588Abstract: An element group having a transistor is formed over a substrate and a conductive film to be a dummy pattern is formed over the element group by pushing out a paste including conductive particles from a first opening portion, and then a conductive film functioning as an antenna is formed continuously thereafter so as to electrically connect with the transistor, by pushing out a paste including conductive particles from a second opening portion. Therefore, an element group having a transistor, provided over a substrate; a first conductive film functioning as an antenna provided over the element group and is electrically connected to the transistor; a second conductive film to be a dummy pattern provided to be adjacent to the first conductive film and is not electrically connected to the transistor; are included.Type: ApplicationFiled: May 29, 2006Publication date: March 12, 2009Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Tomoyuki Aoki, Yuugo Goto
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Patent number: 7501306Abstract: The manufacturing method of a semiconductor device according to the present invention comprises steps of forming a metal film, an insulating film, and an amorphous semiconductor film in sequence over a first substrate; crystallizing the metal film and the amorphous semiconductor film; forming a first semiconductor element by using the crystallized semiconductor film as an active region; attaching a support to the first semiconductor element by using an adhesive; causing separation between the metal film and the insulating film; attaching a second substrate to the separated insulating film; separating the support by removing the adhesive; forming an amorphous semiconductor film over the first semiconductor element; and forming a second semiconductor element using the amorphous semiconductor film as an active region.Type: GrantFiled: September 20, 2006Date of Patent: March 10, 2009Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kazuo Nishi, Toru Takayama, Yuugo Goto
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Publication number: 20090040445Abstract: There is provided a high quality liquid crystal panel having a thickness with high accuracy, which is designed, without using a particulate spacer, within a free range in accordance with characteristics of a used liquid crystal and a driving method, and is also provided a method of fabricating the same. The shape of a spacer for keeping a substrate interval constant is made such that it is a columnar shape, a radius R of curvature is 2 ?m or less, a height H is 0.5 ?m to 10 ?m, a diameter is 20 ?m or less, and an angle ? is 65° to 115°. By doing so, it is possible to prevent the lowering of an opening rate and the lowering of light leakage due to orientation disturbance.Type: ApplicationFiled: April 10, 2008Publication date: February 12, 2009Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Yoshiharu HIRAKATA, Yuugo GOTO, Yuko KOBAYASHI, Shunpei YAMAZAKI
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Patent number: 7459726Abstract: A semiconductor device which has a high performance integrated circuit formed of an inexpensive glass substrate and capable of processing a large amount of information and operating at higher data rates. The semiconductor device includes semiconductor elements stacked by transferring a semiconductor element formed on a different substrate. A resin film is formed between the stacked semiconductor elements and a metal oxide film is partially formed between the stacked semiconductor elements as well. A first electric signal is converted to an optical signal in a light emitting element electrically connected to one of the stacked semiconductor elements. Meanwhile, the optical signal is converted to a second electric signal in a light receiving element electrically connected to another one of the stacked semiconductor elements.Type: GrantFiled: February 11, 2004Date of Patent: December 2, 2008Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kiyoshi Kato, Toru Takayama, Junya Maruyama, Yuugo Goto, Yumiko Ohno
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Patent number: 7453094Abstract: The present invention is to use a film containing fluoroplastics that is capable of forming into a lamination as a protective film for protecting a light-emitting device against moisture or gas such as oxygen so as to prevent of deterioration of the light-emitting device easier and improve reliability of the light-emitting device greater than the conventional light-emitting apparatus. In the present invention, another film can be stacked on the film containing fluoroplastics by forming irregularities by means of the surface preparation on the film containing fluoroplastics or by controlling the content of fluoroplastics in the film containing fluoroplastics.Type: GrantFiled: September 16, 2003Date of Patent: November 18, 2008Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Toru Takayama, Takuya Tsurume, Yuugo Goto
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Patent number: 7449718Abstract: The manufacturing method of a semiconductor device according to the present invention comprises steps of forming a metal film, an insulating film, and an amorphous semiconductor film in sequence over a first substrate; crystallizing the metal film and the amorphous semiconductor film; forming a first semiconductor element by using the crystallized semiconductor film as an active region; attaching a support to the first semiconductor element by using an adhesive; causing separation between the metal film and the insulating film; attaching a second substrate to the separated insulating film; separating the support by removing the adhesive; forming an amorphous semiconductor film over the first semiconductor element; and forming a second semiconductor element using the amorphous semiconductor film as an active region.Type: GrantFiled: January 2, 2004Date of Patent: November 11, 2008Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kazuo Nishi, Toru Takayama, Yuugo Goto
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Patent number: 7436050Abstract: To provide a thin film device which becomes possible to be formed in the portion which has been considered impossible to be provided with such device by the conventional technique, and to provide a semiconductor device which occupies small space and which has high shock resistance and flexibility, a device formation layer with a thickness of at most 50 ?m which was peeled from a substrate by a transfer technique is transferred to another substrate, hence, a thin film device can be formed over various substrates. For instance, a semiconductor device can be formed so as to occupy small space by pasting a thin film device which is transferred to a flexible substrate onto a rear surface of a substrate of a panel, by pasting directly a thin film device onto a rear surface of a substrate of a panel, or by transferring a thin film device to an FPC which is pasted onto a substrate of a panel.Type: GrantFiled: January 21, 2004Date of Patent: October 14, 2008Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Toru Takayama, Junya Maruyama, Yuugo Goto, Yumiko Ohno, Yasuyuki Arai, Noriko Shibata
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Publication number: 20080206959Abstract: A peeling method is provided which does not cause damage to a layer to be peeled, and the method enables not only peeling of the layer to be peeled having a small area but also peeling of the entire layer to be peeled having a large area at a high yield. Further, there are provided a semiconductor device, which is reduced in weight through adhesion of the layer to be peeled to various base materials, and a manufacturing method thereof. In particular, there are provided a semiconductor device, which is reduced in weight through adhesion of various elements, typically a TFT, to a flexible film, and a manufacturing method thereof. A metal layer or nitride layer is provided on a substrate; an oxide layer is provided contacting with the metal layer or nitride layer; then, a base insulating film and a layer to be peeled containing hydrogen are formed; and heat treatment for diffusing hydrogen is performed thereto at 410° C. or more.Type: ApplicationFiled: April 28, 2008Publication date: August 28, 2008Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Toru Takayama, Junya Maruyama, Yuugo Goto, Yumiko Ohno, Takuya Tsurume, Hideaki Kuwabara
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Patent number: 7407870Abstract: The present invention is a separation method for easy separation of an allover release layer with a large area. Further, the present invention is the separating method that is not subjected to restrictions in the use of substrates, such as a kind of substrate, during forming a release layer. A separation method comprising the steps of forming a metal film, a first oxide, and a semiconductor film containing hydrogen in this order; and bonding a support to a release layer containing the first oxide and the semiconductor film and separating the release layer bonded to the support from a substrate provided with the metal layer by a physical means.Type: GrantFiled: April 25, 2006Date of Patent: August 5, 2008Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Junya Maruyama, Yumiko Ohno, Toru Takayama, Yuugo Goto, Shunpei Yamazaki
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Publication number: 20080171484Abstract: To provide a method of manufacturing a display device having an excellent impact resistance property with high yield, in particular, a method using a plastic substrate. The method of manufacturing a display device includes metal film, an oxide film, and an optical filter on a first substrate; separating layers including the optical filter from the first substrate; attaching layers including the optical filter to a second substrate; forming a layer including a pixel on a surface of a third substrate; attaching the layer including the pixel to a fourth substrate; and attaching layers including the optical filter to another surface of the third substrate.Type: ApplicationFiled: November 18, 2004Publication date: July 17, 2008Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Akio Yamashita, Yumiko Fukumoto, Yuugo Goto
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Publication number: 20080138943Abstract: An object of the present invention is to provide a semiconductor device formed by laser crystallization by which formation of grain boundaries in the TFT channel formation region can be avoided, and a method of manufacturing the same. Still another object of the present invention is to provide a method of designating the semiconductor device.Type: ApplicationFiled: January 4, 2008Publication date: June 12, 2008Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kiyoshi Kato, Toshihiko Saito, Atsuo Isobe, Toru Takayama, Junya Maruyama, Yuugo Goto, Yumiko Ohno
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Patent number: 7375006Abstract: A peeling method is provided which does not cause damage to a layer to be peeled, and the method enables not only peeling of the layer to be peeled having a small area but also peeling of the entire layer to be peeled having a large area at a high yield. Further, there are provided a semiconductor device, which is reduced in weight through adhesion of the layer to be peeled to various base materials, and a manufacturing method thereof. In particular, there are provided a semiconductor device, which is reduced in weight through adhesion of various elements, typically a TFT, to a flexible film, and a manufacturing method thereof. A metal layer or nitride layer is provided on a substrate; an oxide layer is provided contacting with the metal layer or nitride layer; then, a base insulating film and a layer to be peeled containing hydrogen are formed; and heat treatment for diffusing hydrogen is performed thereto at 410° C. or more.Type: GrantFiled: October 4, 2006Date of Patent: May 20, 2008Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Toru Takayama, Junya Maruyama, Yuugo Goto, Yumiko Ohno, Takuya Tsurume, Hideaki Kuwabara
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Publication number: 20080088034Abstract: It is an object of the present invention to provide a technique for making a semiconductor device thinner without using a back-grinding method for a silicon wafer. According to the present invention, an integrated circuit film is mounted, thereby making a semiconductor device mounting the integrated circuit film thinner. The term “an integrated circuit film” means a film-like integrated circuit which is manufactured based on an integrated circuit manufactured by a semiconductor film formed over a substrate such as a glass substrate or a quartz substrate. In the present invention, the integrated circuit film is manufactured by a technique for transferring.Type: ApplicationFiled: November 30, 2007Publication date: April 17, 2008Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Hideaki Kuwabara, Junya Maruyama, Yumiko Ohno, Toru Takayama, Yuugo Goto, Etsuko Arakawa, Shunpei Yamazaki