Abstract: A power module includes a substrate having a dielectric layer, a first power semiconductor device disposed on an upper part of the substrate, and a second power semiconductor device disposed on a lower part of the substrate.

Abstract: A spacer structure, which connects an insulating substrate and a semiconductor chip of a double-sided-cooled power module, includes: a conductive material layer which is composed of a composite material; an underlying plating layer disposed on the conductive material layer; and a copper plating layer disposed on the underlying plating layer, in which the copper plating layer is in contact with a joining material that joins the spacer to the semiconductor chip and the insulating substrate.

Abstract: A fiber filtering apparatus includes: an enclosure including an upper box and a lower box communicating with the upper box; a strainer installed in the upper box along a longitudinal direction; a plurality of fiber yarn media configured to be fixed to upper and lower fixing means each coupled to upper and lower parts of the strainer; a plurality of fiber ball media configured to be embedded in the lower box to form a second filtering layer; a first pipe configured to be formed on one side wall on the lower part of the upper box and introduced with raw water during filtration and drain backwashing water during backwashing; and a second pipe formed on one side wall on a lower part of the lower box and drain filtered water during the filtration and introduced with washing water during the backwashing.

Abstract: Disclosed is an electronic device having an enhanced emission capability and including battery, at least one first antenna provided at a front of the battery, and at least one second antenna provided at a rear of the battery, wherein the at least one first antenna and the at least one second antenna may include a magnetic body and a conducting wire that is wound around the magnetic body multiple times.

Abstract: The present disclosure relates to a mixed saccharide including maltooligosaccharide, which has less saccharide content and calories than conventional maltooligosaccharide, glucose syrup, maltose syrup and low DE glucose syrup, and has reached an equivalent level of viscosity as a conventional starch syrup.

Abstract: Disclosed herein is a water purifying system, including: a raw water tank configured to store raw water; a filter unit configured to include a plurality of filtration modules for purifying the raw water and a plurality of valves for feeding or cutting off the raw water; a raw water pump configured to feed the raw water from the raw water tank to the filter unit; and a backwash module configured to feed backwash water to the filter unit, in which some of permeate water permeated by the filter unit is fed to the backwash module to be used as the backwash water and a feed pressure of the backwash water is fed by the raw water pump.

Abstract: The present invention relates to a method for preparing a crystalline functional sweetener, and more specifically, relates to a method for preparing a crystalline functional sweetener for raising the crystallization yield and increasing the particle size by controlling the content of impurities or production of impurities comprised in a solution for preparing the crystal.

Abstract: The present invention relates to a method for preparing psicose by effectively utilizing a psicose crystallization mother liquor obtained in a psicose crystallization process, and specifically, relates to a method of preparation of psicose by putting a psicose crystallization mother liquor obtained in a psicose crystallization process into one or more kinds of processes selected from the group consisting of activated carbon treatment, ion purification process, simulated moving bed chromatography separation process and concentration process of psicose fraction to recycle.

Abstract: The present invention relates to a method for effectively utilizing fructose raffinate obtained in the process for separating psicose conversion product with a high purity chromatography in the process for preparing psicose, and more specifically, it is utilized for preparation of fructose-containing raw material solution for preparation of psicose by putting fructose raffinate obtained in the process for preparing psicose into the process for preparing fructose.

Abstract: The present invention relates to a granular form of mixed saccharide composition comprising a mixed saccharide containing psicose as a main ingredient and a method for preparing the same, and more particularly to a granule of a mixed saccharide containing psicose with improved sweetness quality and physical properties and a method for preparing the same.

Abstract: A spacer structure, which connects an insulating substrate and a semiconductor chip of a double-sided-cooled power module, includes: a conductive material layer which is composed of a composite material; an underlying plating layer disposed on the conductive material layer; and a copper plating layer disposed on the underlying plating layer, in which the copper plating layer is in contact with a joining material that joins the spacer to the semiconductor chip and the insulating substrate.

Abstract: The present disclosure relates to a dissolved air flotation system using ambient air, and more particularly, to a dissolved air flotation system that is capable of allowing ambient air to be introduced in front of a pump to generate micro air bubbles with the water discharged from the pump, so that the ambient air may be used instead of compressed air.

Abstract: Disclosed are a water treatment apparatus using underwater plasma discharge and a water treatment system using the same. The apparatus includes a reactor having an inlet through which raw water flows in and an outlet through which purified water flows out, a ground electrode provided at a first side of the reactor, and a plasma electrode module provided at a second side of the reactor and configured to generate plasma. With plasma generated through underwater discharge, it is possible to decompose or remove organic substances and microorganisms present in raw water.

Abstract: An inverter includes: an upper module having three switching elements, among switching elements defining three poles of a three-phase inverter, which are connected to a positive electrode on a first substrate; and a lower module having three switching elements, among the switching elements defining the three poles of the three-phase inverter, connected to a negative electrode on a second substrate. The upper module and the lower module are configured to be stacked on each other, and a positive terminal of the upper module and a negative terminal of the lower module are stacked so as to be opposite each other with an insulator placed therebetween.

Abstract: According to an embodiment of the present disclosure, a connecting device included in an electronic device may comprise a movable part including at least one contacting part, an elastic part extending from the movable part and including a plurality of bends alternately arranged to allow the movable part to move in a first direction, and a support extending from the elastic part. Other various embodiments are also possible.

Abstract: Disclosed herein is a method of preparing digestion-resistant maltodextrin from roasted dextrin. The method includes introducing activated carbon to be reacted with roasted dextrin after saccharification of the roasted dextrin and before filtration of the roasted dextrin.

Abstract: The present invention relates to functional saccharides having specific crystallinity, a method for preparing thereof, and a functional sweetener comprising the crystalline saccharides.

Abstract: The present invention relates to a multistage fiber filtering apparatus capable of selectively filtering depending on turbidity of raw water, in which a first filtration mode where the raw water passes through a fiber ball medium, a second filtration mode where the raw water passes through a fiber yarn medium, or a third filtration mode where the raw water passes through both of the fiber yarn medium and the fiber ball medium may be selectively operated.