Abstract: A method for manufacturing a vehicle wheel includes: a casting process of manufacturing the wheel in a one-piece body having a forming end and a temporary flange protruding at inner and outer sides of the wheel, respectively, wherein the one-piece body further includes a resonance chamber forming groove; a primary shape machining process of forming a stepped part at an outer circumferential side of the resonance chamber forming groove; a flow forming process of bending the forming end to be seated on the stepped part; a friction stir welding process of integrally bonding a portion where the forming end and the stepped part are in close contact with each other; a fine machining process of removing the temporary flange; and a sound-absorbing hole machining process of forming a sound-absorbing hole for communicating between the resonance chamber and an interior space of a tire in the forming end.

Abstract: A method and a system thereof for producing a digital holographic screen based on multi-hogel printing are proposed. The system includes a light source unit including lasers, a dichroic mirror for RGB three color matching, mirrors, a beam splitter, and an optical shutter, an object beam unit including a spatial filter, a lens, and a mirror, a reference beam unit including a spatial filter, a lens, and a mirror, a diffuser fixing unit including a diffuser holder and a diffuser positioned between the object beam unit and a recording material and configured to scatter and diffuse the object beam, a photomask movement unit including a photomask holder, an XY-translation stage, and a photomask positioned between the reference beam unit and the recording medium and on which a grid-shaped on/off binary pattern is printed, and a controller configured to control the optical shutter and the XY-translation stage.

Abstract: The present invention provides a microjet drug injection device equipped with a backflow prevention valve, the microjet drug injection device comprising an upper housing, a lower housing, a partition, and the backflow prevention valve provided with a slit through which a drug passes at a lower end and allowing the drug to move only towards an injection nozzle.

Abstract: A method for performing policy-based storage service federation can include: identifying whether or not a policy is applicable for a request received from a client by a request interceptor; obtaining a policy by evaluating request information relating to the request and a policy status; and obtaining a customized set of storage services based on the policy. The method can provide a framework corresponding to a storage federation layer to allow fast application development.

Abstract: The present invention provides a microjet drug injection device equipped with a backflow prevention valve, the microjet drug injection device comprising an upper housing, a lower housing, a compartment, and a backflow prevention valve.

Abstract: A method for performing policy-based storage service federation can include: identifying whether or not a policy is applicable for a request received from a client by a request interceptor; obtaining a policy by evaluating request information relating to the request and a policy status; and obtaining a customized set of storage services based on the policy. The method can provide a framework corresponding to a storage federation layer to allow fast application development.

Abstract: An aspect of the present invention provides an Fe—Ni alloy metal foil having excellent heat resilience, where the Fe—Ni alloy metal foil is prepared by an electroforming (EF) method and has a thickness of 100 ?m or less (except O ?m), wherein the Fe—Ni alloy metal foil comprises, by wt %, Ni: 34-46 %, a remainder of Fe and inevitable impurities, and wherein the Fe—Ni metal foil has a degree of heat resilience in an amount of 30 ppm or less.

Abstract: An aspect of the present invention provides an Fe—Ni alloy metal foil having excellent heat resilience, where the Fe—Ni alloy metal foil is prepared by an electroforming (EF) method and has a thickness of 100 ?m or less (except O ?m), wherein the Fe—Ni alloy metal foil comprises, by wt %, Ni: 34-46 %, a remainder of Fe and inevitable impurities, and wherein the Fe—Ni metal foil has a degree of heat resilience in an amount of 30 ppm or less.