Patent application number | Description | Published |
20090263957 | METHOD OF FABRICATING SEMICONDUCTOR DEVICE - A method of fabricating a semiconductor device according to one embodiment includes: exposing a surface of a semiconductor substrate to a halogen-containing gas that contains at least one of Si and Ge, the semiconductor substrate being provided with a member comprising an oxide and consisting mainly of Si; and exposing the surface of the semiconductor substrate to an atmosphere containing at least one of a Si-containing gas not containing halogen and a Ge-containing gas not containing halogen after starting exposure of the surface of the semiconductor substrate to the halogen-containing gas, thereby epitaxially growing a crystal film containing at least one of Si and Ge on the surface. | 10-22-2009 |
20100099241 | METHOD OF FABRICATING SEMICONDUCTOR DEVICE - A method of fabricating a semiconductor device according to one embodiment includes: removing a native oxide film and adhering silicon nitrides on an area of a Si based substrate in hydrogen gas atmosphere under a condition in which a pressure is a first pressure and a temperature is a first temperature, a silicon nitride-containing member being formed on the Si based substrate, the area being a area not covered by the member; lowering the temperature to a second temperature from the first temperature while maintaining the pressure at the first pressure in hydrogen gas atmosphere; lowering the pressure to a second pressure from the first pressure while maintaining the temperature at the second temperature in hydrogen gas atmosphere; and epitaxially growing a crystal on the area of the Si based substrate in a precursor gas atmosphere after the pressure is lowered to the second pressure, the crystal including at least one of Si and Ge, the precursor gas atmosphere including at least one of hydrogen, Si and Ge. | 04-22-2010 |
20110049611 | NONVOLATILE SEMICONDUCTOR STORAGE DEVICE AND MANUFACTURING METHOD OF NONVOLATILE SEMICONDUCTOR STORAGE DEVICE - In a memory cell portion, a stacked structure, in which dielectric layers and semiconductor layers are alternately stacked, is arranged in a fin shape on a semiconductor substrate, and in a peripheral circuit portion, a gate electrode is arranged on the semiconductor substrate via a gate dielectric film so that a height of an upper surface of the gate electrode is set to be substantially equal to a height of an upper surface of the stacked structure in which the dielectric layers and the semiconductor layers are alternately stacked. | 03-03-2011 |
20110233646 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a nonvolatile semiconductor memory device is provided in which memory strings, which are formed by providing a plurality of transistors having gate electrode films on sides of columnar semiconductor films in a height direction of the columnar semiconductor films via charge storage layers, are substantially perpendicularly arranged in a matrix shape on a substrate. A coupling section made of a semiconductor material that connects lower portions of the columnar semiconductor films forming a pair of the memory strings adjacent to each other in a predetermined direction is provided. Each of the columnar semiconductor films is formed of a generally single-crystal-like germanium film or silicon germanium film. | 09-29-2011 |
20120090535 | Method of Fabricating Semiconductor Device - A method of fabricating a semiconductor device according to one embodiment includes: exposing a surface of a semiconductor substrate to a halogen-containing gas that contains at least one of Si and Ge, the semiconductor substrate being provided with a member comprising an oxide and consisting mainly of Si; and exposing the surface of the semiconductor substrate to an atmosphere containing at least one of a Si-containing gas not containing halogen and a Ge-containing gas not containing halogen after starting exposure of the surface of the semiconductor substrate to the halogen-containing gas, thereby epitaxially growing a crystal film containing at least one of Si and Ge on the surface. | 04-19-2012 |
20130187217 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a nonvolatile semiconductor memory device is provided in which memory strings, which are formed by providing a plurality of transistors having gate electrode films on sides of columnar semiconductor films in a height direction of the columnar semiconductor films via charge storage layers, are substantially perpendicularly arranged in a matrix shape on a substrate. A coupling section made of a semiconductor material that connects lower portions of the columnar semiconductor films forming a pair of the memory strings adjacent to each other in a predetermined direction is provided. Each of the columnar semiconductor films is formed of a generally single-crystal-like germanium film or silicon germanium film. | 07-25-2013 |
20130270506 | NON-VOLATILE SEMICONDUCTOR MEMORY - A non-volatile semiconductor memory includes a word line extending in a first direction, a first electrode connected to the word line electrically, an ion diffusion layer with connected to the first electrode electrically, a second electrode connected to the ion diffusion layer electrically and formed of a metal to be diffused into the ion diffusion layer when a positive voltage is supplied thereto, and a bit line extending in a second direction perpendicular to the first direction, the bit line connected to the second electrode electrically. The ion diffusion layer has a first region disposed on the first electrode and a second region disposed between the first region and the second electrode, and the metal is more difficult to diffuse into the second region than into the first region. | 10-17-2013 |
Patent application number | Description | Published |
20120020503 | HEARING AID SYSTEM - Disclosed is a hearing aid system capable of increasing the clearness of sound spoken by a speaker while reproducing the incoming direction of the sound spoken by the speaker without using an inverse mapping rule. The hearing aid system includes a sound source input section which receives sounds coming from sound sources as input to convert the input sounds to first acoustic signals, a sound source separating section which separates the first acoustic signals converted by the sound source input section into sound source signals corresponding to the sound sources, a binaural microphone which is disposed on left and right ears, and receives the sounds coming from the sound sources as input to convert the input sounds to second acoustic signals, a directional sense component calculating section which calculates directional sense components representing the directional sense of the sound sources with the binaural microphone as a base point from the left and right second acoustic signals converted by the binaural microphone, an output signal generating section which generates left and right output acoustic signals on the basis of the sound source signals and the directional sense components, and a binaural speaker which outputs the left and right output acoustic signals generated by the output signal generating section. | 01-26-2012 |
20120020505 | SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD - A signal processing apparatus and signal processing method capable of correctly detecting that a conversation is established even in a daily environment are provided. In signal processing apparatus ( | 01-26-2012 |
20120057733 | HEARING AID DEVICE AND HEARING AID METHOD - Disclosed are a hearing aid device and a hearing aid method capable of controlling a directivity process or an amplification process in a hearing aid with a user's hand placement so as to match a users intuition. A hearing aid device includes a plurality of microphones which converts picked sound to audio signals, an inter-signal phase difference calculation unit which calculates a phase difference between a first audio signal converted in a first microphone from among the plurality of microphones and a second audio signal converted in a second microphone, a hand placement determination unit which determines whether or not a state where the phase difference is equal to or smaller than a first threshold value continues for a first time, a directivity sound pickup unit which superimposes a sensitivity-frequency characteristic for controlling sensitivity in a sound pickup direction on the first audio signal acquired from the first microphone and the second audio signal acquired from the second microphone to control the frequency characteristics of the audio signal, and generates an output signal, a nonlinear amplification unit which controls the signal level of the output signal acquired from the directivity sound pickup unit, and a hearing aid process control unit which, when the hand placement determination unit determines that the state where the phase difference is equal to or smaller than the first threshold value continues for the first time, controls the directivity sound pickup unit such that at least one of the sensitivity-frequency characteristic and the frequency characteristics of the audio signals becomes nondirective, and controls the nonlinear amplification unit to amplify the signal levels of the acquired audio signals. | 03-08-2012 |
20120128186 | CONVERSATION DETECTION APPARATUS, HEARING AID, AND CONVERSATION DETECTION METHOD - A conversation detection apparatus uses a head-mounted microphone array to accurately determine whether a speaker in front is a conversing person or not. A conversation detection apparatus ( | 05-24-2012 |
20120128187 | HEARING AID, SIGNAL PROCESSING METHOD, AND PROGRAM - Provided are a hearing aid, signal processing method, and program that enable TV sound to be made easier for a hearing aid user to hear when wishing to watch TV, and a person's voice to be made easier to hear when wishing to converse with that person. A hearing aid ( | 05-24-2012 |
Patent application number | Description | Published |
20090232551 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, IMAGE FORMING DEVICE USING SAME, AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER CARTRIDGE - To realize an electrophotographic photoreceptor excellent in abrasion resistance, the photosensitive layer of the photoreceptor comprises a polyester resin containing a repeating structural unit represented by the formula (1) and a hydrazone compound. | 09-17-2009 |
20100183332 | ELECTROPHOTOGRAPHIC PHOTORECEPTORS, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CARTRIDGE, AND IMAGE-FORMING APPARATUS - An electrophotographic photoreceptor comprising a conductive support and a photosensitive layer formed thereon, wherein the photosensitive layer comprises a polyarylate resin having a repeating structure represented by the following formula [1] and a compound represented by the following formula [6]. This electrophotographic photoreceptor has excellent wearing resistance under load in the practical use of the photoreceptor and has high mechanical strength and extremely satisfactory electrical characteristcis. [1] [6] | 07-22-2010 |
20100209136 | COATING FLUID FOR ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND ELECTROPHOTOGRAPHIC- PHOTORECEPTOR CARTRIDGE - Disclosed is a coating liquid for producing an electrophotographic photosensitive body, which is excellent in electrical characteristics and mechanical durability, while being excellent in coatability and liquid stability. Also disclosed are an electrophotographic photosensitive body produced by using such a coating liquid, an image-forming device comprising such an electrophotographic photosensitive body, and an electrophotographic photosensitive body cartridge. Specifically disclosed is a coating liquid for producing an electrophotographic photosensitive body, which is characterized by containing a copolymerized polycarbonate resin and asolvent A having a boiling point of not less than 80#C but not more than 150#C. The copolymerized polycarbonate resin has a repeating unit represented by the formula (1) below, while containing not more than 10% by weight of a repeating unit having a biphenyl structure. The average of repetitions of the unit represented by the formula (1) is not more than 10. | 08-19-2010 |
20100232830 | PHTHALOCYANINE CRYSTAL, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CARTRIDGE AND IMAGE-FORMING DEVICE USING THE SAME - Provided is an excellent phthalocyanine crystal having high sensitivity and little fluctuation in sensitivity for a humidity change in a use environment and applicable to the martial for solar battery, electronic paper, electrophotographic photoreceptor, etc. Namely, phthalocyanine crystal obtained by bringing a phthalocyanine crystal precursor into contact with an aromatic aldehyde compound to convert the crystal form. Also, provided is an electrophotographic photoreceptor that not only exhibits high sensitivity but also has little fluctuation in sensitivity for a humidity change in a use environment. Further, provided is an electrophotographic photoreceptor cartridge and an image-forming device, both of which can produce a stable quality images for a humidity change in a use environment by using the electrophotographic photoreceptor. | 09-16-2010 |
20110206411 | IMAGE FORMING APPARATUS AND ELECTROPHOTOGRAPHIC CARTRIDGE - The invention is to provide an image forming apparatus and an electrophotographic cartridge, which are free from problems of cleaning failure, filming, soiling, residual images (ghosts), fogging, density reduction, noise and the like and which can provide high-definition images even when a toner having a small particle size and having a high degree of circularity is used and even when a photoreceptor having a small outer diameter is used. An image forming apparatus comprising: an electrophotographic photoreceptor containing a conductive support and a photosensitive layer on the conductive support, a charging unit for charging the electrophotographic photoreceptor, an imagewise exposing unit for imagewise exposing the charged electrophotographic photoreceptor to form an electrostatic latent image thereon, a developing unit for developing the electrostatic latent image with a toner, and a transferring unit for transferring the toner from the electrophotographic photoreceptor to a receiving unit, wherein the outer diameter of the electrophotographic photoreceptor is 20 mm or less, the photosensitive layer contains a polyarylate resin, and the toner satisfies the specific requirements (1) and (2). | 08-25-2011 |
20120257907 | PHTHALOCYANINE CRYSTAL, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CARTRIDGE AND IMAGE-FORMING DEVICE USING THE SAME - Provided is an excellent phthalocyanine crystal having high sensitivity and little fluctuation in sensitivity for a humidity change in a use environment and applicable to the martial for solar battery, electronic paper, electrophotographic photoreceptor, etc. Namely, phthalocyanine crystal obtained by bringing a phthalocyanine crystal precursor into contact with an aromatic aldehyde compound to convert the crystal form. Also, provided is an electrophotographic photoreceptor that not only exhibits high sensitivity but also has little fluctuation in sensitivity for a humidity change in a use environment. Further, provided is an electrophotographic photoreceptor cartridge and an image-forming device, both of which can produce a stable quality images for a humidity change in a use environment by using the electrophotographic photoreceptor. | 10-11-2012 |