Patent classifications
H01L23/4827
Method for manufacturing a semiconductor component and a semiconductor component
A method for manufacturing a semiconductor component including: providing a flat carrier with an upper side and a lower side, the carrier including a continuous opening that runs between the upper side and the lower side; providing a semiconductor arrangement that includes a semiconductor chip that includes electrically and/or optically active regions on a lower side; arranging the semiconductor arrangement in the opening such that a lower side of the semiconductor arrangement and the lower side of the carrier run in a common plane; casting the semiconductor arrangement with a potting compound, such that the semiconductor arrangement is materially connected to the carrier; and thinning out the semiconductor system by way of grinding from above, such that an upper side of the carrier and an upper side of the semiconductor arrangement run in a common plane.
Chip assembly
A method of forming a chip assembly may include forming a plurality of cavities in a carrier; The method may further include arranging a die attach liquid in each of the cavities; arranging a plurality of chips on the die attach liquid, each chip comprising a rear side metallization and a rear side interconnect material disposed over the rear side metallization, wherein the rear side interconnect material faces the carrier; evaporating the die attach liquid; and after the evaporating the die attach liquid, fixing the plurality of chips to the carrier.
Backside contact to a final substrate
A device structure is formed using a silicon-on-insulator substrate. The device structure includes a first switch and a second switch that are formed within a device layer of the silicon-on-insulator substrate and between a buried insulator layer of the silicon on-insulator substrate and a dielectric layer disposed above and coupled to the device layer. An electrically-conducting connection is located in a first trench extending from the device layer through the buried insulator layer to a trap-rich layer such that the electrically-conducting connection is coupled with a substrate.
Method for minimizing average surface roughness of soft metal layer for bonding
A method for minimizing an average surface includes: forming an epitaxial layer on a growth substrate; forming the soft metal layer on the epitaxial layer in which the average surface roughness of a bonding surface of the soft metal layer is greater than a first value; forming a glue layer on a carrier substrate; placing a combination of the glue layer and the carrier substrate on the bonding surface in which the glue layer being in contact with the bonding surface of the soft metal layer; and performing a laser lift-off process to separate the growth substrate from the epitaxial layer such that the average surface roughness of the bonding surface of the soft metal layer is reduced to be less than a second value. The second value is smaller than the first value, and the second value is less than 80 nm.
Process for packaging circuit component having copper circuits with solid electrical and thermal conductivities and circuit component thereof
A method for packaging a circuit component, comprising: forming a first protruding pad on a first copper substrate and a through-hole in the first protruding pad; forming a second protruding pad on a second copper substrate and placing a circuit dice of the circuit component on the second protruding pad having a conductive paste coated thereon wherein a first electrode of the dice facing the second protruding pad; stacking the first copper substrate onto the second copper substrate with the first protruding pad having a conductive paste coated thereon aligned and pressing onto the circuit dice placed on the second protruding pad wherein a second electrode of the dice facing the first protruding pad; inserting a copper rod tightly into the through-hole until contacting with a conductive paste coated on the second substrate; heat-treating the stacked structure for the circuit dice and the copper rod to form secured electrical connection with the first and second copper substrates respectively and further forming a hermetic seal in the space between the first and second copper substrates; and using the hermetic seal as a rigid processing structure, etching the exposed surface of the first and second copper substrates to remove the entire thickness of copper other than in the area of the first and second protruding pads and in the area other than where the copper rod connects to the second copper substrate, thereby forming the device terminals of the circuit component package.
Semiconductor backmetal (BM) and over pad metallization (OPM) structures and related methods
A method of forming semiconductor devices includes providing a wafer having a first side and second side, electrically conductive pads at the second side, and an electrically insulative layer at the second side with openings to the pads. The first side of the wafer is background to a desired thickness and an electrically conductive layer is deposited thereon. Nickel layers are simultaneously electrolessly deposited over the electrically conductive layer and over the pads, and diffusion barrier layers are then simultaneously deposited over the nickel layers. Another method of forming semiconductor devices includes depositing backmetal (BM) layers on the electrically conductive layer including a titanium layer, a nickel layer, and/or a silver layer. The BM layers are covered with a protective coating and a nickel layer is electrolessly deposited over the pads. A diffusion barrier layer is deposited over the nickel layer over the pads, and the protective coating is removed.
Electronic Device with Multi-Layer Contact and System
An electronic device with a multi-layer contact and a system is disclosed. In an embodiment, a semiconductor device includes a semiconductor substrate having a first electrode terminal located on a first surface and a second surface electrode terminal located on a second surface, the first surface being opposite to the second surface, an electrical contact layer disposed directly on the first electrode terminal, a functional layer directly disposed on the electrical contact layer, an adhesion layer directly disposed on the functional layer, a solder layer directly disposed on the adhesion layer; and a protection layer directly disposed on the solder layer, wherein the semiconductor device is a power semiconductor device configured to provide a vertical current flow.
SEMICONDUCTOR PACKAGE AND MANUFACTURING METHOD THEREOF
A semiconductor package and a manufacturing method thereof are provided. The semiconductor package includes a first chip, a second chip, self-aligned structures, a bridge structure, and an insulating encapsulant. The first chip has a first rear surface opposite to a first active surface. The second chip is disposed beside the first chip and has a second rear surface opposite to a second active surface. The self-aligned structures are disposed on the first rear surface of the first chip and the second rear surface of the second chip. The bridge structure is electrically connected to the first chip and the second chip. The insulating encapsulant covers at least the side surfaces of the first and second chips, a side surface of the semiconductor substrate, and the side surfaces of the self-aligned structures.
Backside contact to a final substrate
A device structure with a backside contact includes a silicon-on-insulator substrate including a device layer, a buried insulator layer, and an electrically-conducting connection in a trench. A final substrate is connected to the buried insulator layer such that the electrically-conducting connection contacts the final substrate.
Backside contact to a final substrate
A method for fabricating a backside contact using a silicon-on-insulator substrate that includes a device layer, a buried insulator layer, and a handle wafer. The method includes forming an electrically-conducting connection in a trench. The handle wafer is removed. After the handle wafer is removed, the buried insulator layer is partially removed to expose the electrically-conducting connection. After the buried insulator layer is partially removed, a final substrate is connected to the buried insulator layer such that the electrically-conducting connection contacts the final substrate.