This method for producing a structure wherein base materials are bonded by atomic diffusion comprises: a step for applying a liquid resin on the base material; a step for smoothing the surface of the liquid resin by surface tension; a step for forming a resin layer by curing; a step for forming a metal thin film on the resin layer; a step for forming a metal thin film on the base material; and a step for bringing the metal thin film of the base material and the metal thin film of the base material into close contact with each other, thereby bonding the metal thin film of the resin layer and the metal thin film of the base material with each other by atomic diffusion.

The present disclosure relates to the technical field of semiconductors, and provides a semiconductor structure and a manufacturing method thereof. The semiconductor structure includes a first chip and a second chip, where a first conductive connection wire of the first chip is connected to a first conductive contact pad, a second conductive connection wire of the second chip is connected to a second conductive contact pad, the first conductive contact pad includes a first conductor group and a first connection group, and the second conductive contact pad includes a second conductor group and a second connection group.

A connection electrode includes a first metal film, a second metal film, a mixed layer, and an extraction electrode. The second metal film is located on the first metal film, and the extraction electrode is located on the second metal film. The mixed layer includes a mix of metal particles of the first and second metal films. As viewed in a first direction in which the first metal film and the second metal film are on top of each other, at least a portion of the mixed layer is in a first region that overlaps a bonding plane between the extraction electrode and the second metal film.

A semiconductor device includes a silicon substrate, a first layer, a second layer, a barrier metal, and a gate pad. The first layer is formed of an oxide film provided on an upper surface of the silicon substrate. The second layer is a layer at least selectively having a projecting and recessed part on an upper surface of the first layer, the projecting and recessed part having a projection and recess deeper than a projection and recess occurring when the layer is formed in a planar shape. The barrier metal is formed on an upper surface of the second layer according to a shape of the projecting and recessed part. The gate pad is in close contact with the silicon substrate via the barrier metal.

A semiconductor package includes: a semiconductor substrate; a through electrode that penetrates the semiconductor substrate; a first pad disposed on the through electrode; and a dielectric structure disposed on the semiconductor substrate, wherein a lower portion of the dielectric structure at least partially surrounds the through electrode, wherein an upper portion of the dielectric structure at least partially surrounds the first pad, wherein the dielectric structure includes: a first dielectric pattern; an etch stop pattern disposed on the first dielectric pattern; and a second dielectric pattern spaced apart from the first dielectric pattern by the etch stop pattern, wherein the first pad is in contact with the through electrode, the first dielectric pattern, the etch stop pattern, and second dielectric pattern, and wherein a top surface of the through electrode is at a level higher than a level of a top surface of the first dielectric pattern.

The present application discloses a method for fabricating a semiconductor device. The method for fabricating a semiconductor device includes providing a substrate, forming a pad structure above the substrate, and forming a top groove on a top surface of the pad structure.

Structure and method for reducing thermal-mechanical stresses generated for a semiconductor device are provided, which includes a tiled-stress-alleviating pad structure.

The present application discloses a method for fabricating a semiconductor device. The method for fabricating a semiconductor device includes providing a substrate, forming a pad structure above the substrate, and forming a top groove on a top surface of the pad structure.

A semiconductor device is provided that includes a dielectric layer, a bond pad, a passivation layer and a planar barrier. The bond pad is positioned in the dielectric layer. The passivation layer is positioned over the dielectric layer and has an opening over the bond pad. The planar barrier is positioned on the bond pad.

A first semiconductor die includes first semiconductor devices located over a first substrate, first interconnect-level dielectric material layers embedding first metal interconnect structures and located on the first semiconductor devices, and a first pad-level dielectric layer located on the first interconnect-level dielectric material layers and embedding first bonding pads. Each of the first bonding pads includes a first proximal horizontal surface and at least one first distal horizontal surface that is more distal from the first substrate than the first proximal horizontal surface is from the first substrate and has a lesser total area than a total area of the first proximal horizontal surface. A second semiconductor die including second bonding pads that are embedded in a second pad-level dielectric layer can be bonded to a respective distal surface of the first bonding pads.