摘要:
The present application provides a semiconductor package with air gaps for reducing capacitive coupling between conductive features and a method for manufacturing the semiconductor package. The semiconductor package includes a first semiconductor structure and a second semiconductor structure bonded with the first semiconductor structure. The first semiconductor structure has a first bonding surface. The second semiconductor structure has a second bonding surface partially in contact with the first bonding surface. A portion of the first bonding surface is separated from a portion of the second bonding surface, a space between the portions of the first and second bonding surfaces is sealed and forms an air gap in the semiconductor package.
摘要:
A semiconductor device includes a semiconductor chip, an electrical connection element for electrically connecting the semiconductor device to a carrier, and a metallization adjoining the electrical connection element, the metallization contains porous nanocrystalline copper that contains portions of organic acids.
摘要:
A method of manufacturing a semiconductor device includes forming a semiconductor substrate that has a conductive structure, and forming a precursor auxiliary layer stack on a first section of the conductive structure. The precursor auxiliary layer stack has a precursor adhesion layer and a precursor barrier layer between the precursor adhesion layer and the conductive structure. The precursor adhesion layer contains a second metal. The method further includes forming, on the precursor auxiliary layer stack, a metal structure containing a first metal and forming, from portions of the precursor auxiliary layer stack an adhesive layer containing the first and second metals.
摘要:
A solder connection may be surrounded by a solder locking layer (1210, 2210) and may be recessed in a hole (1230) in that layer. The recess may be obtained by evaporating a vaporizable portion (1250) of the solder connection. Other features are also provided.
摘要:
A power semiconductor device, a power semiconductor module and a power semiconductor device processing method are provided. The power semiconductor device includes a first load terminal structure, a second load terminal structure, and a semiconductor structure electrically coupled to each load terminal structure and configured to carry a load current. The first load terminal structure includes a conductive layer in contact with the semiconductor structure, a bonding block configured to be contacted by at least one bond wire and to receive at least a part of the load current from the at least one bond wire and/or the conductive layer, a support block having a hardness greater than the hardness of the conductive layer and the bonding block. The bonding block is mounted on the conductive layer via the support block, and a zone is arranged within the conductive layer and/or the bonding block, the zone exhibiting nitrogen atoms.
摘要:
According to various embodiments, a method for processing a semiconductor substrate may include: covering a plurality of die regions of the semiconductor substrate with a metal; forming a plurality of dies from the semiconductor substrate, wherein each die of the plurality of dies is covered with the metal; and, subsequently, annealing the metal covering at least one die of the plurality of dies.
摘要:
A manufacturing method for semiconductor devices includes the steps of forming an Ni/Au film that includes an Ni film and an Au film formed over the Ni film over a wiring that is coupled to each of a plurality of electrode pads formed over a principal surface of a semiconductor wafer and arranges each of the electrode pads at a different position, grinding a back surface of the semiconductor wafer, performing reduction treatment on a surface of the Ni/Au film, and forming a solder bump over the Ni/Au film. In the reduction treatment, respective processes of flux application, reflow soldering and cleaning are performed and the solder bump is bonded to the Ni/Au film after the reduction treatment has been completed. Thereby, bonding reliability in flip chip bonding of a semiconductor device is improved.
摘要:
A method for forming a substrate includes forming a base layer comprising a Group III-V material on a substrate, cooling the base layer and inducing cracks in the base layer, and forming a bulk layer comprising a Group III-V material on the base layer after cooling.
摘要:
A contact to a semiconductor including sequential layers of Cr, Ti, and Al is provided, which can result in a contact with one or more advantages over Ti/Al-based and Cr/Al-based contacts. For example, the contact can: reduce a contact resistance; provide an improved surface morphology; provide a better contact linearity; and/or require a lower annealing temperature, as compared to the prior art Ti/Al-based contacts.
摘要:
A method and structure for forming an array of micro devices is disclosed. An array of micro devices is formed over an array of stabilization posts included in a stabilization layer. Patterned sacrificial spacers are formed between the stabilization posts and between the micro devices. The patterned sacrificial spacers are disposed upon the patterned sacrificial spacers.