摘要:
The formation of electronic assemblies, including assemblies having an interposer, are described. In one embodiment, a method includes forming a plurality of vias extending partially through a body, the vias including sidewalls defined by the body. An insulating layer is formed on the sidewalls and on an upper surface of the body. An electrically conductive layer is formed on the insulating layer in the vias and on the upper surface of the body, the electrically conductive layer defining a first metal pad layer on the upper surface and a second metal pad layer in contact with the first metal pad layer, the second metal pad layer having a denser pitch between adjacent pads than the first metal pad layer. The method also includes forming a dielectric layer between the adjacent metal pads in the first and second pad layers. The method also includes coupling a plurality of elements to the second metal pad layer. After the coupling the elements, the method includes thinning the body through a lower surface and exposing the electrically insulating layer in the vias. The method also includes removing a portion of the electrically insulating layer in the vias, and coupling the electrically conductive layer to a substrate, wherein the body is positioned between the elements and the substrate. Other embodiments are described and claimed.
摘要:
In one embodiment, a method includes forming a plurality of vias partially through a body, the vias including sidewalls defined by the body. An electrically insulating layer is formed on the sidewalls and on an upper surface of the body. An electrically conductive layer is formed on the insulating layer in the vias and on the upper surface, the electrically conductive layer defining first metal pads on the upper surface and second metal pads in contact with the first metal pads, the second metal pads having a denser pitch than the first metal pads. A dielectric layer is formed between adjacent first metal pads and between adjacent second metal pads. The body is thinned through a lower surface and the electrically insulating layer in the vias is exposed. After the thinning, a portion of the electrically insulating layer in the, vias is removed. The body is coupled to a substrate.
摘要:
Methods of forming microelectronic device structures are described. Those methods may include forming at least one opening through a build up structure and a photo sensitive material disposed on the build up structure, wherein the build up structure comprises a portion of a package substrate, filling the at least one opening with a metal containing nanopaste, and sintering the metal containing nanopaste to form a bulk property metal structure in the at least one opening.
摘要:
The formation of electronic assemblies is described. One embodiment includes providing a body and forming a first metal pad layer on a first surface thereof. A second metal pad layer is formed in contact with the first metal pad layer, the second metal pad layer having a denser pitch than the first metal pad layer. A dielectric layer is formed between the metal pads in the first and second metal pad layers. Vias extending through the body from a second surface thereof are formed, the vias exposing the first metal pad layer. An insulating layer is formed on via sidewalls and on the second surface, and an electrically conductive layer formed on the insulating layer and on the exposed surface of the first metal layer. Elements are coupled to the second metal pad layer and the electrically conductive layer coupled to a substrate. Other embodiments are described and claimed.
摘要:
The formation of electronic assemblies, including assemblies having an interposer, are described. In one embodiment, a method includes providing a body and forming a first metal pad layer on a first surface thereof. A second metal pad layer is formed in contact with the first patterned metal pad layer, the second metal pad layer having a denser pitch between adjacent pads than the first metal pad layer. A dielectric layer is formed between the adjacent metal pads in the first and second metal pad layers. After the forming the first and second metal pad layers and the dielectric layer, the method includes forming a plurality of vias extending through the body from a second surface thereof, the vias extending through a thickness of the body and exposing the first metal pad layer. The method also includes forming an insulating layer on sidewalls of the vias and on the second surface, and forming an electrically conductive layer on the insulating layer and on the exposed surface of the first metal layer. The method also includes coupling a plurality of elements to the second metal pad layer and coupling the electrically conductive layer to a substrate, the body being positioned between the elements and the substrate. Other embodiments are described and claimed.
摘要:
One embodiment relates to forming a plurality of vias extending partially through a body, the vias including sidewalls defined by the body. An insulating layer is formed on the sidewalls and on an upper surface of the body. An electrically conductive layer is formed on the insulating layer, the electrically conductive layer defining first metal pads on the upper surface and second metal pads in contact with the first metal pads, the second metal pads having a denser pitch than the first metal pads. A dielectric layer is formed between adjacent first metal pads and between adjacent second metal pads. A plurality of electronic elements are coupled to the second metal pads. After the coupling the elements, the body is thinned through a lower surface. A portion of the insulating layer in the vias is removed and the electrically conductive layer is coupled to a substrate.
摘要:
A carbon nanotube solder is formed on a substrate of an integrated circuit package. The carbon nanotube solder exhibits high heat and electrical conductivities. The carbon nanotube solder is used as a solder microcap on a metal bump for communication between an integrated circuit device and external structures.
摘要:
Methods of forming microelectronic device structures are described. Those methods may include forming a passivation layer on a substrate, wherein the substrate comprises an array of conductive structures, forming a first via in the passivation layer, forming a second via in the passivation layer that exposes at least one of the conductive structures in the array, and wherein the second via is formed within the first via space to form a step via, and forming a conductive material in the step via, wherein a round dimple is formed in the conductive material.
摘要:
A microelectronic cooling assembly and method for fabricating the same are described. In one example, a microelectronic cooling assembly includes a microelectronic device, a heat spreader, and a thermal interface material (TIM) that thermally joins the microelectronic device and heat spreader, the TIM comprising a sintered metallic nanopaste.
摘要:
A solder composition is provided. A solder composition has a solder matrix material and dispersoid particles in the solder matrix material. The solder matrix material has a relatively low melting temperature and the dispersoid particles have a relatively high melting temperature.