Patent classifications
H01L23/15
INORGANIC WAFER HAVING THROUGH-HOLES ATTACHED TO SEMICONDUCTOR WAFER
A process comprises bonding a semiconductor wafer to an inorganic wafer. The semiconductor wafer is opaque to a wavelength of light to which the inorganic wafer is transparent. After the bonding, a damage track is formed in the inorganic wafer using a laser that emits the wavelength of light. The damage track in the inorganic wafer is enlarged to form a hole through the inorganic wafer by etching. The hole terminates at an interface between the semiconductor wafer and the inorganic wafer. An article is also provided, comprising a semiconductor wafer bonded to an inorganic wafer. The semiconductor wafer is opaque to a wavelength of light to which the inorganic wafer is transparent. The inorganic wafer has a hole formed through the inorganic wafer. The hole terminates at an interface between the semiconductor wafer and the inorganic wafer.
VIA AND TRENCH FILLING USING INJECTION MOLDED SOLDERING
A method includes forming one or more vias in a first layer, forming one or more vias in at least a second layer different than the first layer, aligning at least a first via in the first layer with at least a second via in the second layer, and bonding the first layer to the second layer by filling the first via and the second via with solder material using injection molded soldering.
Semiconductor device and method of forming micro interconnect structures
A semiconductor device has a first semiconductor die and second semiconductor die with a conductive layer formed over the first semiconductor die and second semiconductor die. The second semiconductor die is disposed adjacent to the first semiconductor die with a side surface and the conductive layer of the first semiconductor die contacting a side surface and the conductive layer of the second semiconductor die. An interconnect, such as a conductive material, is formed across a junction between the conductive layers of the first and second semiconductor die. The conductive layer may extend down the side surface of the first semiconductor die and further down the side surface of the second semiconductor die. An extension of the side surface of the first semiconductor die can interlock with a recess of the side surface of the second semiconductor die. The conductive layer extends over the extension and into the recess.
METHOD FOR MANUFACTURING CERAMIC SUBSTRATE, CERAMIC SUBSTRATE, AND SILVER-BASED CONDUCTOR MATERIAL
A method for manufacturing a ceramic substrate containing glass includes a firing step in which an unfired silver-based conductor material is disposed on an unfired ceramic layer and is fired. The unfired silver-based conductor material contains at least one of a metal boride and a metal silicide.
CHIP-SUBSTRATE COMPOSITE SEMICONDUCTOR DEVICE
A semiconductor device includes a high-voltage semiconductor transistor chip having a front side and a backside. A low-voltage load electrode and a control electrode are disposed on the front side of the semiconductor transistor chip. The semiconductor device further includes a dielectric inorganic substrate having a first side and a second side opposite the first side. A pattern of first metal structures runs through the dielectric inorganic substrate and is connected to the low-voltage load electrode. At least one second metal structure runs through the dielectric inorganic substrate and is connected to the control electrode. The front side of the semiconductor transistor chip is attached to the first side of the dielectric inorganic substrate. The dielectric inorganic substrate has a thickness measured between the first side and the second side of at least 50 μm.
CHIP-SUBSTRATE COMPOSITE SEMICONDUCTOR DEVICE
A semiconductor device includes a high-voltage semiconductor transistor chip having a front side and a backside. A low-voltage load electrode and a control electrode are disposed on the front side of the semiconductor transistor chip. The semiconductor device further includes a dielectric inorganic substrate having a first side and a second side opposite the first side. A pattern of first metal structures runs through the dielectric inorganic substrate and is connected to the low-voltage load electrode. At least one second metal structure runs through the dielectric inorganic substrate and is connected to the control electrode. The front side of the semiconductor transistor chip is attached to the first side of the dielectric inorganic substrate. The dielectric inorganic substrate has a thickness measured between the first side and the second side of at least 50 μm.
SEMICONDUCTOR DEVICE PACKAGE AND METHOD OF FORMING
A semiconductor device package comprises a semiconductor switching device having a body, including a first side, and an opposing second side coupled to a substrate. A gate terminal is defined on the semiconductor switching device body first side, the gate terminal having a first side, and an opposing second side facing the semiconductor switching device body. A first gate resistor is disposed on the gate terminal first side, and coupled electrically in series with the gate terminal.
Integrated circuit package and method of forming same
Various embodiments of an integrated circuit package and a method of forming such package are disclosed. The package includes a substrate having a core layer disposed between a first dielectric layer and a second dielectric layer, a die disposed in a cavity of the core layer, and an encapsulant disposed in the cavity between the die and a sidewall of the cavity. The package further includes a first patterned conductive layer disposed within the first dielectric layer, a device disposed on an outer surface of the first dielectric layer such that the first patterned conductive layer is between the device and the core layer, a second patterned conductive layer disposed within the second dielectric layer, and a conductive pad disposed on an outer surface of the second dielectric layer such that the second patterned conductive layer is between the conductive pad and the core layer.
SUBSTRATE COMPRISING A LID STRUCTURE, PACKAGE SUBSTRATE COMPRISING THE SAME AND SEMICONDUCTOR DEVICE
Example embodiments provide a package substrate including a lid structure. The package substrate includes a substrate, a semiconductor element arranged on one surface of the substrate, and a lid surrounding at least a portion of the semiconductor element. The lid includes a region extending outwardly beyond the outer periphery of the substrate.
Thermal Transfer, Management and Integrated Control Structure
The present invention includes a method of making a thermal management and signal control structure comprising forming in a substrate heat conductive vias and control vias, power vias, and ground vias, wherein the heat conductive vias and the control vias, power vias, and vias are aligned to a first metal plate on a first side of the substrate, wherein the control vias, power vias, and ground vias are surrounded by a glass layer; forming a second metal plate on a second side of the substrate, wherein the second metal plate is connected to the heat conductive vias; and forming a pad on each of the control vias, power vias, and ground vias, wherein each pad is configured to electrically connect the thermal management and signal control structure to at least one of: a printed circuit board, an integrated circuit, or a power management unit.