Abstract: An interconnect layer is formed on a lower face of a silicon wafer, a support substrate is adhered over a lower face of the interconnect layer, and a thickness reduction of the silicon wafer is performed from an upper face side. Next, a photodiode is formed in an upper face of the silicon wafer, and a microlens is formed at a position corresponding to the photodiode. An adhesive layer is formed on the silicon wafer in a region not covering the microlens, a low refractive index layer having a lower refractive index than the microlens is formed in a region covering the microlens, and a glass substrate is adhered to the silicon wafer by the adhesive layer. The support substrate is removed from the interconnect layer, and a solder ball is bonded to a lower face of the interconnect layer. Thereafter, a CMOS image sensor is manufactured by dicing the silicon wafer.

Abstract: A method and system for the production of a gas hydrate including the steps of drilling into a subterranean gas hydrate formation and at least partially depressurizing the gas hydrate formation to permit separation of gas and water from the hydrate form. The gas and water is then pumped from the formation and recovered from the well. At least a portion of water pumped from the well is water that is introduced into the well from the surface or reintroduced by a feed back loop from the production operation.

Abstract: A solid state imaging device includes: an imaging device substrate with an imaging device section formed on a first major surface side thereof; a backside interconnect electrode provided on a second major surface side of the imaging device substrate and electrically connected to the imaging device section, the second major surface being on the opposite side of the first major surface; a circuit substrate provided with a circuit substrate electrode opposed to the second major surface; a connecting portion electrically connecting the backside interconnect electrode to the circuit substrate electrode; and a light shielding layer provided coplanar with the backside interconnect electrode or on the circuit substrate side of the backside interconnect electrode.

Abstract: A circulation pump for circulating downhole fluids is provided. The circulation pump includes a cylindrical pump housing, a shaft secured in the pump housing extending in a longitudinal direction thereof, an impeller rotating around the shaft in the pump housing, a cylindrical magnetic coupler rotating around the pump housing, the cylindrical magnetic coupler including a magnet, and a motor positioned outside of the pump housing and connected to the magnetic coupler to rotate the magnetic coupler around the pump housing. The impeller is provided with a magnetic piece, which is capable of being magnetically connected with the magnet of the cylindrical magnetic coupler to cause the impeller to rotate around the shaft by rotating the cylindrical magnetic coupler around the pump housing.

Abstract: A first semiconductor light emitting device includes: a transparent substrate; a light emitting layer; and a roughened region. The transparent substrate has a first major surface and a second major surface, and is translucent to light in a first wavelength band. The light emitting layer is selectively provided in a first portion on the first major surface of the transparent substrate and configured to emit light in the first wavelength band. The roughened region is provided in a second portion different from the first portion on the first major surface. A second semiconductor light emitting device includes: a transparent substrate; a light emitting layer; a first electrode; and at least one groove. The groove is provided on the second major surface of the transparent substrate and extends from a first side face to a second side face opposing the first side face of the transparent substrate.

Abstract: A system and method is disclosed for utilizing a radio frequency communication system to wirelessly exchange data with well logging tools and external devices. A logging tool component is operably fitted with an extension antenna which travels through the thick casing of the logging tool. The extension antenna enables data exchange, for example, between radio frequency identification tags inside the logging tool and devices outside of the logging tool.

Abstract: An acoustic logging tool sleeve with a preferably discontinuous, alternating structure that is acoustically opaque in some zones, and acoustically transparent in others. The sleeve may be modular, with several stages connected together. The multiple stages provide a sleeve that may be useful with a variety of borehole logging tools to reduce or eliminate the transmission of noise to the receiving elements.

Abstract: A formation logging tool having a substantially continuous central mandrel with regularly spaced mass blocks disposed thereon, at least some of the mass blocks carrying sensors such as receivers. By adopting this structure, the tool can be made to behave as a mass-spring structure and its flexural and extensional behaviour controlled such that its dispersion curve does not extend into the dispersion curve of the formation to be logged. The structure can be applied to the whole of the logging tool or just to the receiver section and/or any spacer section between the receiver and the transmitter section.

Abstract: A method and system for monitoring any incursion of particulate matter from a gas hydrate formation into a well casing used for the production of the gas hydrate and determining the degree of incursion of particulate material within the distal end of the well casing.

Abstract: A first semiconductor light emitting device comprises: a transparent substrate; a light emitting layer; and a roughened region. The transparent substrate has a first major surface and a second major surface, and is translucent to light in a first wavelength band. The light emitting layer is selectively provided in a first portion on the first major surface of the transparent substrate and configured to emit light in the first wavelength band. The roughened region is provided in a second portion different from the first portion on the first major surface. A second semiconductor light emitting device comprises: a transparent substrate; a light emitting layer; a first electrode; and at least one groove. The groove is provided on the second major surface of the transparent substrate and is extending from a first side face to a second side face opposing the first side face of the transparent substrate.

Abstract: A method and system for the production of a gas hydrate including the steps of drilling into a subterranean gas hydrate formation and at least partially depressurizing the gas hydrate formation to permit separation of gas and water from the hydrate form. The gas and water is then pumped from the formation and recovered from the well. At least a portion of water pumped from the well is water that is introduced into the well from the surface or reintroduced by a feed back loop from the production operation.

Abstract: A method and system for tool orientation and positioning and particulate material protection within a well casing for production of hydrocarbons including methane gas from a gas hydrate including a shroud positioned within a production well casing adjacent a cylindrical production tubing screen to shield and isolate the screen from particulate material entrained within production fluid entering the well casing.

Abstract: Apparatus and methods for acoustically isolating logging tool receiver and transmitter sections. One or more modular isolators is arranged between the receiver and transmitter sections. The modular isolators comprise a high tensile strength while also providing for a high wave attenuation level. The modular isolators are mechanical mass-spring systems capable of absorbing acoustic waves propagating along the logging tool. The mass is a swinging sleeve, and the spring includes a Belleville spring stack. The use of the strong modular isolators provides acoustic isolation between the transmitters and receivers for the complete sonic frequency band at multiple modes.

Abstract: A nanometer size roughened structure is formed on a surface of a light-emitting element, and luminous efficiency is improved. The roughened structure on the surface of the light-emitting element of the invention is formed into the following shape such that the refractive index smoothly changes: (1) the mean diameter of projections on the roughened surface is smaller than the light wavelength; (2) a pitch of the roughened surface is irregular; and (3) positions of the top and bottom of the roughened surface are distributed from their mean values within the light wavelength in order to give a smooth gradient of the refractive index.

Abstract: There is disclosed a semiconductor light-emitting element comprising a substrate having a first surface and a second surface, a semiconductor laminate formed on the first surface of the substrate and containing a light-emitting layer and a current diffusion layer having a light-extracting surface. The light-emitting element is provided with a light-extracting surface which is constituted by a finely recessed/projected surface, 90% of which is constructed such that the height of the projected portion thereof having a cone-like configuration is 100 nm or more, and the width of the base of the projected portion is within the range of 10-500 nm.

Abstract: A first semiconductor light emitting device comprises: a transparent substrate; a light emitting layer; and a roughened region. The transparent substrate has a first major surface and a second major surface, and is translucent to light in a first wavelength band. The light emitting layer is selectively provided in a first portion on the first major surface of the transparent substrate and configured to emit light in the first wavelength band. The roughened region is provided in a second portion different from the first portion on the first major surface. A second semiconductor light emitting device comprises: a transparent substrate; a light emitting layer; a first electrode; and at least one groove. The groove is provided on the second major surface of the transparent substrate and is extending from a first side face to a second side face opposing the first side face of the transparent substrate.

Abstract: An acoustic logging tool sleeve with a preferably discontinuous, alternating structure that is acoustically opaque in some zones, and acoustically transparent in others. The sleeve may be modular, with several stages connected together. The multiple stages provide a sleeve that may be useful with a variety of borehole logging tools to reduce or eliminate the transmission of noise to the receiving elements.

Abstract: Apparatus and methods for acoustically isolating logging tool receiver and transmitter sections. One or more modular isolators is arranged between the receiver and transmitter sections. The modular isolators comprise a high tensile strength while also providing for a high wave attenuation level. The modular isolators are mechanical mass-spring systems capable of absorbing acoustic waves propagating along the logging tool. The mass is a swinging sleeve, and the spring includes a Belleville spring stack. The use of the strong modular isolators provides acoustic isolation between the transmitters and receivers for the complete sonic frequency band at multiple modes.

Abstract: There is disclosed a semiconductor light-emitting element comprising a substrate having a first surface and a second surface, a semiconductor laminate formed on the first surface of the substrate and containing a light-emitting layer and a current diffusion layer having a light-extracting surface. The light-emitting element is provided with a light-extracting surface which is constituted by a finely recessed/projected surface, 90% of which is constructed such that the height of the projected portion thereof having a cone-like configuration is 100 nm or more, and the width of the base of the projected portion is within the range of 10-500 nm.

Abstract: A nanometer size roughened structure is formed on a surface of a light-emitting element, and luminous efficiency is improved. The roughened structure on the surface of the light-emitting element of the invention is formed into the following shape such that the refractive index smoothly changes: (1) the mean diameter of projections on the roughened surface is smaller than the light wavelength; (2) a pitch of the roughened surface is irregular; and (3) positions of the top and bottom of the roughened surface are distributed from their mean values within the light wavelength in order to give a smooth gradient of the refractive index.