The invention provides a joining film having sufficient connection heat resistance and high reliability, for which a joining process of joining a semiconductor element and a substrate is simple and easy, a tape for wafer processing, a method for producing a joined body, and a joined body.

Disclosed is a joining film 13 for joining a semiconductor element 2 and a substrate 40, the joining film having an electroconductive joining layer 13a formed by molding an electroconductive paste containing metal fine particles (P) into a film form; and a tack layer 13b having tackiness and being laminated with the electroconductive joining layer. The tack layer 13b is thermally decomposed by heating at the time of joining, the metal fine particles (P) of the electroconductive joining layer 13a are sintered, and thereby the semiconductor element 2 and the substrate 40 are joined.

A cellular structure may include a plurality of cells each having a twelve-cornered cross section. The twelve-cornered cross section may include twelve sides and twelve corners creating nine internal angles and three external angles. Each cell may include a plurality of longitudinal walls extending between a top and a bottom of the cell, the longitudinal walls intersecting to create corners of the cell. A structural component may include at least one wall surrounding a component interior space with a cellular structure having at least two cells positioned within the interior space. A sandwich structure may include first and second planar structures, and a cellular structure positioned between the first and second substantially planar structures.

A method includes determining a target acoustic profile based on acoustic conditions at an exterior surface exposed to weather. The method further includes determining a plurality of foam layer characteristics based on the target acoustic profile. The method further includes determining one or more of elastomer characteristics based on the target acoustic profile and the plurality of foam layer characteristics. The method further includes providing a foam layer comprising the plurality of foam layer characteristics. The method further includes depositing an elastomer into the provided foam layer according to the one or more elastomer characteristics. The method further includes coupling the foam layer comprising the deposited elastomer onto the exterior surface exposed to weather. The foam layer including the deposited elastomer absorbs acoustic energy corresponding to the target acoustic profile.

A thermally insulating cloth is provided. The thermally insulating cloth has a layered structure comprising at least three layers, a first and a second outer textile layer providing the outer surfaces of said cloth, and an intermediate layer, wherein said first and said second outer textile layer are laminated to the intermediate layer, said first outer textile layer having an air permeability of less than or equal to 40 cc/sec*5 cm.sup.2, said second outer textile layer having air permeability of less than or equal to 40 cc/sec*5 cm.sup.2, said intermediate layer comprising a textile fabric comprising aerogel powder, in an amount in a range of 1 to 70% w.

A gas turbine hot part includes: a body portion; a porous portion forming at least a part of the body portion or disposed on at least a part of the body portion and allowing a cooling gas to pass therethrough; and at least one filter disposed upstream of the porous portion in a flow direction of the cooling gas and capable of trapping foreign substances that cannot pass through the porous portion.

A method for manufacturing a flexible metal-clad laminated plate includes the steps of: (a) obtaining a laminated body by laminating a polyimide resin film including a non-thermoplastic polyimide layer and an adhesive layer containing thermoplastic polyimide, the adhesive layer being provided on at least one side of the non-thermoplastic polyimide layer, and a metal foil; and (b) subjecting the laminated body obtained in the step (a) to heat treatment under an inert gas atmosphere and a pressure of 0.20 to 0.98 MPa at a temperature of a glass transition temperature Tg of the thermoplastic polyimide20 C. to the glass transition temperature Tg+50 C.

A method of making a light weight housing for an internal component is provided. The method including the steps of: forming a first metallic foam core into a desired configuration; forming a second metallic foam core into a desired configuration; inserting an internal component into the first metallic foam core; placing the second metallic foam adjacent to the first metallic core in order to secure the internal component between the first metallic foam core and the second metallic foam core; and applying an external metallic shell to an exterior surface of the first metallic foam core and the second metallic foam core.

Embodiments of the present technology include molding processes for metallic foams, apparatuses, and products. An example method includes placing an uncompressed charge of conductive metal foam into a cavity disposed on a first tool, wherein the first tool is located on a first portion of a compression mold apparatus, translating the first portion of the compression mold apparatus towards a second portion of the compression mold apparatus so as to compress the uncompressed charge of conductive metal foam, creating a compressed charge of conductive metal foam, and overmolding around and through the compressed charge of conductive metal foam with an overmolding material.

A multi-threat security apparatus system for critical infrastructure protection is disclosed having an above-ground concrete base, a vertical post system adapted to be attached to the above-ground concrete base and to receive a plurality of louvers. The plurality of louvers provides the necessary ballistic protection for and air flow through to the critical infrastructure. The louvers may include a composite of aluminum foam, a resin impregnated ballistic material and an aluminum foam. The composite structure may be used on doors, panels or building walls.

A cooking vessel includes a base having a flat bottom and a sidewall connected to and surrounding the base, thereby defining an interior space configured for containing food. The base comprises a layered composite material that includes a first layer of the composite material has a positive Poisson's ratio (PPR) and a second layer of the composite material is disposed in contact with the first layer. The cooking vessel includes a material having a negative Poisson's ratio (NPR).