Abstract: Provided is a method for forming a carbon film having a uniform thickness at low cost with ease. Disclosed is a method for manufacturing a carbon film in which a film having carbon as a main component is formed on a support 2 having a predetermined shape, in which the support 2 made of a hydrophilic material is disposed on a base 4 made of a hydrophobic material and a coating liquid 1 obtained by dispersing a carbon material in a polar solvent is supplied onto the support 2 and then dried. Alternatively, the support 2 made of an oleophilic material is disposed on a base 4 made of an oleophobic material and a coating liquid 1 obtained by dispersing a carbon material in a non-polar solvent is supplied onto the support 2 and then dried.

Abstract: Provided is a water-purification cartridge to be replaceably accommodated in an accommodating portion of a water purifier. The cartridge includes activated carbon that removes impurities from water, forms, within the water purifier, a raw water flow path through which raw water flows downstream without passing through the activated carbon and a water purification flow path through which raw water flows downstream while passing through the activated carbon, and further includes a buffer portion that is disposed, within the water purifier, at a position upstream of flow path switching valves for selecting discharge from the raw water flow path or discharge from the water purification flow path and downstream of the activated carbon and that cuts off a water hammer propagating from the flow path switching valves to the activated carbon.

Abstract: Utilizing the fact that a predetermined adsorbent adsorbs light water at an initial desorption rate higher than heavy water and semi-heavy water, deuterium depleted water having a reduced concentration of heavy water and semi-heavy water is produced easily and in a short time. A method for producing deuterium depleted water by removing heavy water and semi-heavy water from water, the method including: a desorption process in which a relative pressure around a predetermined adsorbent with adsorbed water vapor is reduced, and in which water vapor desorbed from the adsorbent is recovered during a period of time when a desorption rate of light water>a desorption rate of the heavy water and semi-heavy water.

Abstract: The purpose is to produce a molded filter body using graphene having water passage holes with a desired size by an easy process. A method for producing a molded filter body having a layer of graphene 2 as a filter medium, includes the steps of: forming a layer of a support 5 on a surface of graphite 1; forming support water passage holes in the layer of the support 5; peeling the layer of the support 5 from the graphite 1 in a state of attaching the layer of graphene 2 on the surface of the graphite 1 to the layer of the support 5; and holding the layer of graphene 2 by heating at a low temperature for a predetermined time in the air containing oxygen at 160 to 250° C. and forming graphene water passage holes.

Abstract: Deuterium-depleted water is produced easily and inexpensively. A method for producing deuterium-depleted water by removing heavy water and semi-heavy water from water includes an adsorption step of supplying water vapor to a predetermined adsorbent at pressure at which heavy water and semi-heavy water are adsorbed by the adsorbent and light water is not easily adsorbed, causing the heavy water and semi-heavy water to be adsorbed, and recovering the water vapor not adsorbed by the adsorbent. The method also includes a desorption step of maintaining vapor pressure around the predetermined adsorbent which has adsorbed the water vapor in a range in which light water is desorbed and heavy water or semi-heavy water is not easily desorbed, and recovering the water vapor desorbed from the adsorbent.

Abstract: Water is separated into deuterium-depleted water having a low deuterium concentration and deuterium-enriched water having a high deuterium concentration easily and at low cost. A method for separating water into deuterium-depleted water and deuterium-enriched water, the method including: adsorbing water vapor on an adsorbent including a pore body having pores 6 while supplying water vapor to and allowing the water vapor to pass through the adsorbent for a predetermined period of time; recovering deuterium-enriched water containing a large amount of heavy water 8 from the water vapor not adsorbed on the adsorbent; and then recovering deuterium-depleted water containing a large amount of light water 7 from the water vapor adsorbed on the adsorbent.

Abstract: A filter molded article using a graphene with water passage holes having a desired size is produced in a simple step. A method for producing a filter molded article having a graphene layer as a filtering material is characterized by including a step of forming a support 3 layer on a surface of a graphene 1 layer formed on initial substrates for a graphene 2 and 9, a step of forming water passage holes in the support 3 layer, a step of removing the initial substrates for a graphene 2 and 9, and a step of forming water passage holes by heating and holding the graphene 1 layer at a low temperature in the air containing oxygen of 160 to 250° C. for a predetermined time.

Abstract: Utilizing the fact that a predetermined adsorbent adsorbs light water at an initial desorption rate higher than heavy water and semi-heavy water, deuterium depleted water having a reduced concentration of heavy water and semi-heavy water is produced easily and in a short time. A method for producing deuterium depleted water by removing heavy water and semi-heavy water from water, the method including: a desorption process in which a relative pressure around a predetermined adsorbent with adsorbed water vapor is reduced, and in which water vapor desorbed from the adsorbent is recovered during a period of time when a desorption rate of light water>a desorption rate of the heavy water and semi-heavy water.

Abstract: A film forming apparatus for performing a film forming process by sequentially supplying a plurality of reactant gases to a substrate and supplying a replacement gas includes a mounting table configured to mount thereon a substrate, and a shower head having a flat surface facing the mounting table and a plurality of gas supply opening. An annular protrusion is provided at the shower head to form a gap between the annular protrusion and a top surface of the mounting table. A plurality of gas supply units is provided at a ceiling portion at an upper side of the shower head. Each gas supply unit has gas discharge openings formed along a circumferential direction. The diffusion space is disposed such that an outer periphery of the diffusion space is located at an inner side of an outer periphery of the substrate mounted on the mounting table in a plan view.

Abstract: The purpose is to produce a molded filter body using graphene having water passage holes with a desired size by an easy process. A method for producing a molded filter body having a layer of graphene 2 as a filter medium, includes the steps of: forming a layer of a support 5 on a surface of graphite 1; forming support water passage holes in the layer of the support 5; peeling the layer of the support 5 from the graphite 1 in a state of attaching the layer of graphene 2 on the surface of the graphite 1 to the layer of the support 5; and holding the layer of graphene 2 by heating at a low temperature for a predetermined time in the air containing oxygen at 160 to 250° C. and forming graphene water passage holes.

Abstract: A method for producing deuterium-depleted water by removing heavy water and semi-heavy water from water includes an adsorption step of supplying water vapor to a predetermined adsorbent at pressure at which heavy water and semi-heavy water are adsorbed by the adsorbent and light water is not easily adsorbed, causing the heavy water and semi-heavy water to be adsorbed, and recovering the water vapor not adsorbed by the adsorbent. The method also includes a desorption step of maintaining vapor pressure around the predetermined adsorbent which has adsorbed the water vapor in a range in which light water is desorbed and heavy water or semi-heavy water is not easily desorbed, and recovering the water vapor desorbed from the adsorbent.

Abstract: An object is to form a hole having a desired size accurately and uniformly in a carbon nanomaterial used for a filter or the like, such as a graphene, a carbon nanotube, or a carbon nanohorn. Provided is a method for perforating a carbon nanomaterial for forming a hole having a desired size in a carbon nanomaterial, characterized in that the carbon nanomaterial is heated and held at a low temperature in the air containing oxygen of 160 to 250° C. for a predetermined time and that a hole having a desired size is thereby formed uniformly in the carbon nanomaterial by controlling a length of heating time.

Abstract: A film forming apparatus includes a mounting table mounting a substrate thereon, a gas diffusion unit above the mounting table, gas dispersion units above the gas diffusion unit, and an evacuation unit to evacuate a processing chamber. The gas diffusion unit has gas injection holes for injecting a gas in a shower shape. Outermost gas injection holes are arranged outward of an outer circumference of the substrate when seen from the top. The gas dispersion units face the gas diffusion unit through a diffusion space therebetween. Each of the gas dispersion units has gas discharge holes formed along a circumferential direction thereof to disperse a gas horizontally into the diffusion space. The gas dispersion units include at least three first gas dispersion units along a first circle, and at least three second gas dispersion units along a second circle concentrically disposed at an outer side of the first circle.

Abstract: A film forming apparatus for performing a film forming process by sequentially supplying a plurality of reactant gases to a substrate and supplying a replacement gas includes a mounting table configured to mount thereon a substrate, and a shower head having a flat surface facing the mounting table and a plurality of gas supply opening. An annular protrusion is provided at the shower head to form a gap between the annular protrusion and a top surface of the mounting table. A plurality of gas supply units is provided at a ceiling portion at an upper side of the shower head. Each gas supply unit has gas discharge openings formed along a circumferential direction. The diffusion space is disposed such that an outer periphery of the diffusion space is located at an inner side of an outer periphery of the substrate mounted on the mounting table in a plan view.

Abstract: An optical module is disclosed where an optical coupling efficiency between an optical device and an external fiber may be improved. The optical module includes an optical receptacle and a device unit assembled with the optical receptacle only via a stub as forming a gap to isolate these two components. The gap is filled with insulating resin or tightly covered by an insulating ring to reinforce the stub to be hard for an increased moment by the optical assemblies in the device unit.

Abstract: An optical transceiver is disclosed, where the optical transceiver includes an optical subassembly (OSA) with a bottom plate for dissipating heat and connected to an electronic circuit with a flexible printed circuit (FPC). The FPC is soldered with the side electrodes of the OSA as forming a solder fillet in the plane electrode, or the FPC is soldered with the plane electrodes of the OSA as forming the solder fillet in the side electrodes, and leaving a limited room for receiving the curved FPC in peripheries of the OSA.

Abstract: A method to manufacture an optical module is disclosed, wherein the optical module has an optically active device on a lead frame and a lens co-molded with the active device and the lead frame by a transparent resin as positioning the lens with respect to the lead frame. The molding die of the present invention has a positioning pin to support the lens during the molding. Because the lead frame is aligned with the molding die, the precise alignment between the active device on the lead frame and the lens is not spoiled during the molding.

Abstract: A system for editing sheet metal components using a computer, comprising a sheet metal object having graphic element data defining the graphic elements of a sheet metal and connection data defining face data comprising graphic elements and linkage of the faces, wherein the sheet metal object includes a sheet metal edition object corresponding to editing of a sheet metal, e.g., editing of butting or lapping of sheets, and the burden is lessened by automating reformation at the butting or lapping part of the sheet metals.

Abstract: An optical transceiver is disclosed, where the optical transceiver includes an optical subassembly (OSA) with a bottom plate for dissipating heat and connected to an electronic circuit with a flexible printed circuit (FPC). The FPC is soldered with the side electrodes of the OSA as forming a solder fillet in the plane electrode, or the FPC is soldered with the plane electrodes of the OSA as forming the solder fillet in the side electrodes, and leaving a limited room for receiving the curved FPC in peripheries of the OSA.

Abstract: A film forming apparatus includes a processing chamber, and a mounting table disposed in the processing chamber to mount a substrate thereon. The film forming apparatus further includes a gas shower head having gas supply holes and including a central region facing a central portion of the substrate and a peripheral region facing a peripheral portion of the substrate, a first processing gas supply unit for supplying a first processing gas to the central region, a second processing gas supply unit for supplying a second processing gas to the central region, an energy supply unit for supplying energy to react the first processing gas with the second processing gas on the substrate, and a purge gas supply unit for supplying a purge gas to the central region and the peripheral region when one of the first and the second processing gas is switched by the other.