Abstract: A lead frame includes a plurality of lead portions. At least a part of an upper surface of the lead portion and a sidewall surface of the lead portion is a rough surface having been subjected to roughening treatment. A value of a* in a CIELab color space of the rough surface is within a range from 12 to 19, and a value of b* is within a range from 12 to 17.

Abstract: A particle counter is configured to count particles contained in a sample fluid flowing through a flow passage by using light with which the flow passage is irradiated. The particle counter includes: a multi-flow cell having a plurality of the flow passages; a path adjuster configured to adjust a position of an optical path of the light with respect to the multi-flow cell, based on which flow passage is selected from the flow passages; and a light adjuster configured to adjust a condition of the light with which the selected flow passage is irradiated.

Abstract: A human body is cooled at an appropriate temperature, and a sufficient usage time is ensured. A cooling tool according to one aspect of the present invention is a cooling tool for cooling a human body, including a freezing material 30a that undergoes a phase change at a particular temperature and a first container containing the freezing material 30a. The first container transfers heat between the human body and the freezing material at a contact surface in contact with the skin of the human body. At least the contact surface has a thermal effusivity within the possible range of thermal effusivity of the skin of the human body. The contact surface may have a thermal effusivity (J/(m2˜S1/2·K)) of 1,000 to 2,000.

Abstract: A particle counter includes: a multi-flow cell with flow passages arrayed in a first direction and having a section including a detection region, for detecting a particle, formed when the flow passage is irradiated with irradiation light; a light receiving optical system configured to receive emitted light generated from a particle contained in sample fluid flowing in the at least one flow passage and passing through the detection region; an optical axis moving unit configured to move an optical axis of the irradiation light and an optical axis of the emitted light in the first direction; and a counter configured to count the particle for each particle size based on an intensity of the emitted light.

Abstract: A cold storage pack includes: heat exchange sections arranged in a first direction and in a second direction intersecting with the first direction; and a connecting section connecting the heat exchange sections that are adjacent, wherein the heat exchange sections each include: a latent heat storage material having a melting point lower than room temperature; and a container section having an internal space containing the latent heat storage material in a liquid-tight manner, the connecting section includes: an easy cutting section that is cuttable between the heat exchange sections; a frame-shaped section surrounding the heat exchange sections; a first connecting section extending between the heat exchange sections in the first direction; and a second connecting section extending between the heat exchange sections in the second direction, and the easy cutting section is continuous at least from an outer periphery of the frame-shaped section partway through the first connecting section.

Abstract: An in-fluid floating substance measurement flow cell includes: a main body having at least a predetermined portion made of a material having translucency; and a flow passage formed inside the main body, having both end openings at an outer surface of the main body in a substantially identical direction, and configured such that fluid flows in the flow passage. The flow passage has a predetermined section arranged between two opposing flat wall surfaces facing each other, and the predetermined portion includes the predetermined section.

Abstract: A cold storage material and a cold storage pack are provided where a single cooling medium (cold insulation pack) containing a cold storage material having a plurality of melting points can keep an object at a low temperature that is suited to a situation. The cold storage material changes phase at a prescribed temperature and contains: water; a base compound containing a quaternary ammonium salt that forms a semi-clathrate hydrate; and a supercooling inhibitor that suppresses supercooling, wherein the cold storage material has one or more melting points depending on a temperature range in which the cold storage material has been frozen.

Abstract: The present invention, in an aspect thereof, is directed to a daylighting device including: a daylighting sheet including: a transparent base member; and a plurality of transparent daylighting sections on a first face of the base member; and at least one hollow structural body composed of a resin provided on a second face of the base member opposite the first face, the at least one hollow structural body including: a transparent, first plate section; a transparent, second plate section opposing the first plate section; a plurality of structural bodies extending in a direction of alignment of the daylighting sections between the first plate section and the second plate section and arranged at prescribed intervals in a direction of extension of the daylighting sections; and hollow portions between the structural bodies.

Abstract: Provided is a cold insulation tool capable of easily producing ice slurry. The cold insulation tool includes an outer casing that is provided to accommodate a tubular storage container filled with a beverage, a heat exchange unit that is detachably provided in the outer casing, and a stimulating unit that increases a surface area of at least a part of a gas-liquid interface of the beverage, in which the heat exchange unit includes a heat-storage material having a predetermined melting point, and a filling portion that has an internal space for filling with the heat-storage material liquid-tightly, and the melting point of the heat-storage material is lower than ?0.2° C.

Abstract: Provided is a cooling device capable of appropriately cooling a cold insulator and keeping the cold insulator at an appropriate temperature. The cooling device includes a cooling portion that has an inner space storing an object, a measurement means of measuring a temperature corresponding to a temperature of the object stored in the inner space, and a control means of controlling a temperature of the inner space based on a measurement result by the measurement means, in which, based on the measurement result, the control means performs control to change the temperature of the inner space from a first setting temperature that is lower than a temperature at which the object in a liquid phase starts to be solidified to a second setting temperature that is higher than the first setting temperature and lower than a melting temperature of the object.

Abstract: A daylighting device according to an aspect of the present invention is a daylighting device for a building construction including an eaves that blocks solar radiation on an outer side of a window. The daylighting device includes a daylighting member and a support member. The daylighting member includes a first base member that is light transmissive, a plurality of daylighting portions that are light transmissive and disposed on a first surface of the first base member, and a gap portion disposed between the plurality of daylighting portions. The support member supports the daylighting member. The daylighting device changes an orientation of light incident thereon and causes the light to emit to a space shaded by the eaves.

Abstract: A daylighting device includes: a translucent base material; a translucent daylighting layer disposed on a first face side of the base material, the daylighting layer including daylighting sections and gap portions provided between the daylighting sections; and a translucent warping-restraining layer disposed on a second face side of the base material, wherein the daylighting layer and the warping-restraining layer have approximately equal linear expansion coefficients. Another daylighting device includes: a translucent base material; a translucent daylighting layer disposed on a first face side of the base material, the daylighting layer including daylighting sections and gap portions provided between the daylighting sections; and a translucent warping-restraining layer disposed on a second face side of the base material, wherein both the daylighting layer and the warping-restraining layer have either a greater linear expansion coefficient or a smaller linear expansion coefficient than does the base material.

Abstract: A daylighting device including: a transparent base material; a plurality of daylighting sections disposed on a first face of the base material; and gap portions provided between the daylighting sections, wherein: the daylighting device has daylighting areas in which light is transmitted through the daylighting sections and light-transmitting areas in which light is transmitted through the base material without passing through the daylighting sections; and the daylighting areas and the light-transmitting areas are arranged so as to alternate in at least one direction in a plane of the first face.

Abstract: A particle counter includes: a multi-flow cell with flow passages arrayed in a first direction and having a section including a detection region, for detecting a particle, formed when the flow passage is irradiated with irradiation light; a light receiving optical system configured to receive emitted light generated from a particle contained in sample fluid flowing in the at least one flow passage and passing through the detection region; an optical axis moving unit configured to move an optical axis of the irradiation light and an optical axis of the emitted light in the first direction; and a counter configured to count the particle for each particle size based on an intensity of the emitted light.

Abstract: An in-fluid floating substance measurement flow cell includes: a main body having at least a predetermined portion made of a material having translucency; and a flow passage formed inside the main body, having both end openings at an outer surface of the main body in a substantially identical direction, and configured such that fluid flows in the flow passage. The flow passage has a predetermined section arranged between two opposing flat wall surfaces facing each other, and the predetermined portion includes the predetermined section.

Abstract: A human body is cooled at an appropriate temperature, and a sufficient usage time is ensured. A cooling tool according to one aspect of the present invention is a cooling tool for cooling a human body, including a freezing material 30a that undergoes a phase change at a particular temperature and a first container containing the freezing material 30a. The first container transfers heat between the human body and the freezing material at a contact surface in contact with the skin of the human body. At least the contact surface has a thermal effusivity within the possible range of thermal effusivity of the skin of the human body. The contact surface may have a thermal effusivity (J/(m2˜S1/2·K)) of 1,000 to 2,000.

Abstract: Provided is a cooling tool that keeps a cooling object cold by utilizing the latent heat of a cold storage material and can visualize the physical condition of the cooling tool, i.e., can indicate whether the use condition of the cooling tool is appropriate. For example, when leakage of the cold storage material occurs, the cooling tool indicates the leakage of the cold storage material and shows whether the temperature is appropriate for keeping the cooling object cold. The cooling tool keeps the cooling object cold by utilizing the latent heat of a freezable material and includes: the freezable material that undergoes phase change at a specific temperature; a cold storage layer including a first container portion that contains the freezable material; and a condition indicator that shows the physical condition of the freezable material.

Abstract: A daylighting apparatus of the present invention includes: a daylighting sheet (13) that has first and second surfaces opposite to each other and that lets light in through the first surface and lets the light out through the second surface at a predetermined distribution of angles; and a visible light-reflecting sheet (15) that reflects part of visible light falling on the first surface of the daylighting sheet (13).

Abstract: Provided is a daylighting device (10) that is used by being attached to a window frame (110) supporting an existing window glass (100) and that includes a first base (11) being light-transmissive, a first spacer (12) provided at an outer edge of one surface (11a) of the first base (11) and attached to the window frame (110), and a daylighting member (13) provided on a side of the one surface (11a) of the first base (11), in which the daylighting member (13) includes a second base (14) that is light-transmissive and a plurality of protrusion daylighting portions (15) that are light-transmissive and provided to be adjacent to each other on a side of one surface (14a) of the second base (14).

Abstract: It is an object to provide a heat storage medium capable of maintaining the latent heat capacity even if a supercooling inhibitor is added. A heat storage medium according to an aspect of the present invention is a heat storage medium which undergoes a phase change at a predetermined temperature and contains water, a main agent made of a quaternary ammonium salt forming a semi-clathrate hydrate, a pH adjustor maintaining alkalinity, and a nucleating agent generating cations exhibiting positive hydration. The heat storage medium separates into a first liquid layer containing the main agent and a second liquid layer containing the nucleating agent in an environment with a temperature exceeding the phase change temperature.