Patent classifications
H01L24/48
SEMICONDUCTOR DEVICES AND PROCESSES
This description relates generally to semiconductor devices and processes. A method for forming a packaged semiconductor package can include attaching a front side of a metal layer to a die pad of a leadframe that includes conductive terminals, so a periphery portion of the metal layer extends beyond a periphery pad surface of the die pad, and a portion of a half-etched cavity on the front side of the metal layer is located near the periphery pad surface of the die pad. The method further includes attaching a semiconductor device to the die pad and encapsulating the semiconductor device, the front side of the metal layer, a portion of a back side of the metal layer, and a portion of the conductive terminals to form a packaged semiconductor device.
DISPLAY DEVICE
A display device including: a substrate including pixel electrodes; a passivation layer on the substrate, a groove in the passivation layer between the pixel electrodes;
contact electrodes on the pixel electrodes; and a light-emitting element layer comprising a plurality of light-emitting elements respectively bonded onto the contact electrodes and having a plurality of semiconductor layers thereon. The groove does not overlap the plurality of light-emitting elements.
INTEGRATED CIRCUIT PACKAGE WITH WARPAGE CONTROL USING CAVITY FORMED IN LAMINATED SUBSTRATE BELOW THE INTEGRATED CIRCUIT DIE
A support substrate includes an insulating core layer, an electrically conductive layer over the insulating core layer and a solder mask layer over the electrically conductive layer. A back side of an integrated circuit chip is mounted to an upper surface of the support substrate at a die attach location. The upper surface of the support substrate includes a cavity located within the die attach location, where the cavity extends under the back side of the integrated circuit chip. The cavity is defined by an area where the solder mask layer and at least a portion of the electrically conductive layer have been removed. Bonding wires connect connection pads on a front side of the integrated circuit chip to connection pad on the upper surface of the support substrate.
SEMICONDUCTOR PACKAGES
A semiconductor package includes a semiconductor die and an encapsulant layer. A mark is formed on a surface of the encapsulant layer. A damage barrier layer is disposed between the mark and the semiconductor die. The damage barrier layer blocks the propagation of laser light used to form the mark from reaching the semiconductor die.
RADIO FREQUENCY AMPLIFIER
A radio frequency amplifier includes a first input terminal, a second input terminal, an output terminal, and first and second amplifiers. The first amplifier includes a first amplifier input coupled to the first input terminal, and a first amplifier output. The second amplifier includes a second amplifier input coupled to the second input terminal, and a second amplifier output coupled to the output terminal by an output inductive element. An output combiner circuit is coupled between the first amplifier output and the second amplifier output. The output combiner circuit includes a first inductive element, a capacitor, and a second inductive element. The first inductive element is coupled between the first amplifier output and a first terminal of the capacitor, and the second inductive element is coupled between the second amplifier output and the first terminal of the capacitor. A second terminal of the capacitor is coupled to ground.
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
Provided is a semiconductor device capable of suppressing an Al slide at a time of an operation under a high temperature in a laminated structure of an aluminum electrode layer and a copper electrode layer. Accordingly, in the semiconductor device according to the present disclosure, a first copper electrode layer includes a plurality of protruding regions as regions protruding toward the aluminum electrode layer in an interface with the aluminum electrode layer.
SEMICONDUCTOR DEVICE
A semiconductor device includes a substrate, a conductive part, a controller module and a sealing resin. The substrate has a substrate obverse surface and a substrate reverse surface facing away from each other in a z direction. The conductive part is made of an electrically conductive material on the substrate obverse surface. The controller module is disposed on the substrate obverse surface and electrically connected to the conductive part. The sealing resin covers the controller module and at least a portion of the substrate. The conductive part includes an overlapping wiring trace having an overlapping portion overlapping with the electronic component as viewed in the z direction. The overlapping portion of the overlapping wiring trace is not electrically bonded to the controller module.
TRANSISTOR AND SEMICONDUCTOR DEVICE
A transistor includes a wide bandgap semiconductor layer, a gate electrode, a gate pad, and a gate runner. The gate electrode extends to a region where the gate pad is located and a region where the gate runner is located. The gate pad is connected to the gate electrode. The gate runner is connected to the gate electrode. The gate electrode includes a first region connected to the gate pad, a second region connected to the gate runner, and a third region and a fourth region arranged between the first and second regions in different positions in a first direction. In a cross section perpendicular to the first direction, the gate electrode in the fourth region has a cross-sectional area smaller than that of the gate electrode in the third region.
SEMICONDUCTOR DEVICE AND POWER CONVERSION DEVICE
In this semiconductor device, an emitter electrode of a power semiconductor element includes a first sub-electrode provided in a region including a central portion of a front surface of a semiconductor substrate and a second sub-electrode provided in a region not including the central portion of the front surface of the semiconductor substrate. A first bonding wire connects the first sub-electrode and an emitter terminal. A second bonding wire connects the second sub-electrode and the emitter terminal. First and second voltage detectors detect voltages between the emitter terminal and the first and second sub-electrodes, respectively. It is possible to separately detect degradation of both the first bonding wire that degrades in an early period and the second bonding wire that degrades in a terminal period.
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICES, CORRESPONDING SEMICONDUCTOR DEVICE AND ASSORTMENT OF SEMICONDUCTOR DEVICES
A semiconductor device includes a pre-molded leadframe mounting substrate. The substrate includes a die pad (configured to have a semiconductor die mounted thereon) and a first electrically conductive pad and a second electrically conductive pad. A strip of insulating material is molded between the first and second electrically conductive pads to provide a mutually electrically insulation and extends in a longitudinal direction with the first electrically conductive pad and the second electrically conductive pad lying on opposite sides of the strip of insulating material. A semiconductor die is arranged on the die pad in register with the strip of insulating material. A single electrically conductive ribbon extending in register with the strip of insulating material electrically couples the semiconductor die with both the first and second electrically conductive pads to provide a common current flow path from the semiconductor die towards the first and the second electrically conductive pads.