Abstract: A method includes forming a first conductive pillar on an interposer; forming a second conductive pillar on the interposer, wherein the second conductive pillar includes a barrier layer; bonding a first semiconductor device to the first conductive pillar by a first bonding region that includes more inter-metallic compound than solder; and bonding the first semiconductor device to the second conductive pillar by a second bonding region that includes more solder than inter-metallic compound.

Abstract: Board substrates, three-dimensional integrated circuit structures and methods of forming the same are disclosed. A board substrate includes a core layer, a first build-up layer, a second build-up layer, a first group of bumps, a second first group of bumps and at least one first underfill blocking wall. The first build-up layer and the second build-up layer are disposed on opposite sides of the core layer. The first group of bumps is disposed over the first build-up layer. The second first group of bumps is disposed over the first build-up layer. The at least one first underfill blocking wall is disposed over the first build-up layer and between the first group of bumps and the second group of bumps.

Abstract: Board substrates, three-dimensional integrated circuit structures and methods of forming the same are disclosed. A board substrate includes a core layer, a first build-up layer, a second build-up layer, a first group of bumps, a second first group of bumps and at least one first underfill blocking wall. The first build-up layer and the second build-up layer are disposed on opposite sides of the core layer. The first group of bumps is disposed over the first build-up layer. The second first group of bumps is disposed over the first build-up layer. The at least one first underfill blocking wall is disposed over the first build-up layer and between the first group of bumps and the second group of bumps.

Abstract: A package structure is provided. The package structure includes a semiconductor die and a thermoelectric structure disposed on the semiconductor die. The thermoelectric structure includes P-type semiconductor blocks, N-type semiconductor blocks and metal pads. The P-type semiconductor blocks and the N-type semiconductor blocks are arranged in alternation with the metal pads connecting the P-type semiconductor blocks and the N-type semiconductor blocks. When a current flowing through one of the N-type semiconductor block, one of the metal pad, and one of the P-type semiconductor block in order, the metal pad between the N-type semiconductor block and the P-type semiconductor block forms a cold junction which absorbs heat generated by the semiconductor die.

Abstract: A package structure is provided. The package structure includes a semiconductor die and a thermoelectric structure disposed on the semiconductor die. The thermoelectric structure includes P-type semiconductor blocks, N-type semiconductor blocks and metal pads. The P-type semiconductor blocks and the N-type semiconductor blocks are arranged in alternation with the metal pads connecting the P-type semiconductor blocks and the N-type semiconductor blocks. When a current flowing through one of the N-type semiconductor block, one of the metal pad, and one of the P-type semiconductor block in order, the metal pad between the N-type semiconductor block and the P-type semiconductor block forms a cold junction which absorbs heat generated by the semiconductor die.

Abstract: Semiconductor structures are provided. A semiconductor structure includes a plurality of product regions over a semiconductor substrate, a plurality of alignment regions over the semiconductor substrate, and a plurality of first features formed in a material layer over the semiconductor substrate. Each of the alignment regions is surrounded by four of the product regions of a group, and each of the first features extends across two adjacent product regions in the group. The product regions are disposed in rows and columns of a first array, and the alignment regions are disposed in rows and columns of a second array, and the first and second arrays have a same center point.

Abstract: One embodiment includes partially forming a first through via in a substrate of an interposer, the first through via extending into a first side of the substrate of the interposer. The method also includes bonding a first die to the first side of the substrate of the interposer. The method also includes recessing a second side of the substrate of the interposer to expose the first through via, the first through via protruding from the second side of the substrate of the interposer, where after the recessing, the substrate of the interposer is less than 50 ?m thick. The method also includes and forming a first set of conductive bumps on the second side of the substrate of the interposer, at least one of the first set of conductive bumps being electrically coupled to the exposed first through via.

Abstract: Board substrates, three-dimensional integrated circuit structures and methods of forming the same are disclosed. A board substrate includes a core layer, a first build-up layer, a second build-up layer, a first group of bumps, a second first group of bumps and at least one first underfill blocking wall. The first build-up layer and the second build-up layer are disposed on opposite sides of the core layer. The first group of bumps is disposed over the first build-up layer. The second first group of bumps is disposed over the first build-up layer. The at least one first underfill blocking wall is disposed over the first build-up layer and between the first group of bumps and the second group of bumps.

Abstract: Board substrates, three-dimensional integrated circuit structures and methods of forming the same are disclosed. A board substrate includes a core layer, a first build-up layer, a second build-up layer, a first group of bumps, a second first group of bumps and at least one first underfill blocking wall. The first build-up layer and the second build-up layer are disposed on opposite sides of the core layer. The first group of bumps is disposed over the first build-up layer. The second first group of bumps is disposed over the first build-up layer. The at least one first underfill blocking wall is disposed over the first build-up layer and between the first group of bumps and the second group of bumps.

Abstract: Semiconductor structures are provided. A semiconductor structure includes a plurality of product regions over a semiconductor substrate, a plurality of alignment regions over the semiconductor substrate, and a plurality of first features formed in a material layer over the semiconductor substrate. Each of the alignment regions is surrounded by four of the product regions of a group, and each of the first features extends across two adjacent product regions in the group. The product regions are disposed in rows and columns of a first array, and the alignment regions are disposed in rows and columns of a second array, and the first and second arrays have a same center point.

Abstract: A package structure is provided. The package structure includes a semiconductor die and a thermoelectric structure disposed on the semiconductor die. The thermoelectric structure includes P-type semiconductor blocks, N-type semiconductor blocks and metal pads. The P-type semiconductor blocks and the N-type semiconductor blocks are arranged in alternation with the metal pads connecting the P-type semiconductor blocks and the N-type semiconductor blocks. When a current flowing through one of the N-type semiconductor block, one of the metal pad, and one of the P-type semiconductor block in order, the metal pad between the N-type semiconductor block and the P-type semiconductor block forms a cold junction which absorbs heat generated by the semiconductor die.

Abstract: One embodiment includes partially forming a first through via in a substrate of an interposer, the first through via extending into a first side of the substrate of the interposer. The method also includes bonding a first die to the first side of the substrate of the interposer. The method also includes recessing a second side of the substrate of the interposer to expose the first through via, the first through via protruding from the second side of the substrate of the interposer, where after the recessing, the substrate of the interposer is less than 50 ?m thick. The method also includes and forming a first set of conductive bumps on the second side of the substrate of the interposer, at least one of the first set of conductive bumps being electrically coupled to the exposed first through via.

Abstract: Method for fabricating a semiconductor structure is provided. First features are formed in a first product region of each die area and in a material layer through a first mask. Second features are formed in a second product region of each die area and in the material layer through a second mask. Third features are formed in a third product region of each die area and in the material layer through a third mask. Fourth features are formed in a fourth product region of each die area and in the material layer through a fourth mask. Fifth features are formed in an alignment region between the first, second, third and fourth product regions of each die area and in the material layer through the first, second, third and fourth masks. The first product region is free of the second, third, and fourth features.

Abstract: One embodiment includes partially forming a first through via in a substrate of an interposer, the first through via extending into a first side of the substrate of the interposer. The method also includes bonding a first die to the first side of the substrate of the interposer. The method also includes recessing a second side of the substrate of the interposer to expose the first through via, the first through via protruding from the second side of the substrate of the interposer, where after the recessing, the substrate of the interposer is less than 50 ?m thick. The method also includes and forming a first set of conductive bumps on the second side of the substrate of the interposer, at least one of the first set of conductive bumps being electrically coupled to the exposed first through via.

Abstract: One embodiment includes partially forming a first through via in a substrate of an interposer, the first through via extending into a first side of the substrate of the interposer. The method also includes bonding a first die to the first side of the substrate of the interposer. The method also includes recessing a second side of the substrate of the interposer to expose the first through via, the first through via protruding from the second side of the substrate of the interposer, where after the recessing, the substrate of the interposer is less than 50 ?m thick. The method also includes and forming a first set of conductive bumps on the second side of the substrate of the interposer, at least one of the first set of conductive bumps being electrically coupled to the exposed first through via.

Abstract: Method for fabricating a semiconductor structure is provided. First features are formed in a first product region of each die area and in a material layer through a first mask. Second features are formed in a second product region of each die area and in the material layer through a second mask. Third features are formed in a third product region of each die area and in the material layer through a third mask. Fourth features are formed in a fourth product region of each die area and in the material layer through a fourth mask. Fifth features are formed in an alignment region between the first, second, third and fourth product regions of each die area and in the material layer through the first, second, third and fourth masks. The first product region is free of the second, third, and fourth features.

Abstract: Method for fabricating a semiconductor structure is provided. First features are formed in a first product region of each die area in a material layer through a first mask. Second features are formed in a second product region of each die area in the material layer through a second mask. Third features are formed in a third product region of each die area in the material layer through a third mask. Fourth features are formed in a fourth product region of each die area in the material layer through a fourth mask. Fifth features are formed in an alignment region of each die area in the material layer through the first through fourth masks. The first product region is adjacent to and in physical contact with the second and third product regions, and the first product region is free of the second, third, and fourth features.

Abstract: Method for fabricating a semiconductor structure is provided. First features are formed in a first product region of each die area in a material layer through a first mask. Second features are formed in a second product region of each die area in the material layer through a second mask. Third features are formed in a third product region of each die area in the material layer through a third mask. Fourth features are formed in a fourth product region of each die area in the material layer through a fourth mask. Fifth features are formed in an alignment region of each die area in the material layer through the first through fourth masks. The first product region is adjacent to and in physical contact with the second and third product regions, and the first product region is free of the second, third, and fourth features.

Abstract: Board substrates, three-dimensional integrated circuit structures and methods of forming the same are disclosed. A board substrate includes a core layer, a first build-up layer, a second build-up layer, a first group of bumps, a second first group of bumps and at least one first underfill blocking wall. The first build-up layer and the second build-up layer are disposed on opposite sides of the core layer. The first group of bumps is disposed over the first build-up layer. The second first group of bumps is disposed over the first build-up layer. The at least one first underfill blocking wall is disposed over the first build-up layer and between the first group of bumps and the second group of bumps.

Abstract: Various structures having a fuse and methods for forming those structures are described. An embodiment is a method. The method comprises attaching a first die to a first side of a component using first electrical connectors. After the attaching, at least one of (i) the first die comprises a first fuse, (ii) the first side of the component comprises a second fuse, (iii) a second side of the component comprises a third fuse, the second side being opposite the first side, or (iv) a combination thereof. The method further comprises after the attaching the first die to the first side of the component, blowing the first fuse, the second fuse, the third fuse, or a combination thereof.