Patent classifications
H01L24/49
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.
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
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.
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.
POWER CIRCUIT MODULE
A circuit module includes a substrate with a patterned metal surface. The patterned metal surface includes a conductive terminal pad, a first conductive pad, and a second conductive pad that is non-adjacent to the conductive terminal pad. A first circuit portion is assembled on the first conductive pad and a second circuit portion is assembled on the second conductive pad. A conductive bridge electrically couples the conductive terminal pad and the second conductive pad. The conductive bridge includes an elevated span extending above and across the first conductive pad.
QFN PACKAGING STRUCTURE AND QFN PACKAGING METHOD
The present invention provides a QFN packaging structure and QFN packaging method. The electromagnetic shielding layer as provided on the outer side of the QFN packaging structure by spacing at a certain interval from the leads may cooperate with the base island having the lug boss on the side edge, such that all surfaces of the chip can be electromagnetically shielded and protected while ensuring the insulation between the electromagnetic shielding layer and the leads.
SEMICONDUCTOR PACKAGE ASSEMBLY
A semiconductor assembly package is provided. The semiconductor package assembly includes a system-on-chip (SOC) package, a memory package and a heat spreader. The SOC package includes a logic die and a first substrate. The logic die has pads on it. The first substrate is electrically connected to the logic die by the pads. The memory package includes a second substrate and a memory die. The second substrate has a top surface and a bottom surface. The memory die is mounted on the top surface of the second substrate and is electrically connected to the second substrate using bonding wires. The heat spreader is disposed between the SOC package and the memory package, wherein the heat spreader is in contact with a back surface of the logic die away from the pads.
Semiconductor module and wire bonding method
A semiconductor module includes at least two semiconductor elements connected in parallel; a control circuit board placed between the at least two semiconductor elements; a control terminal for external connection; a first wiring member that connects the control terminal and the control circuit board; and a second wiring member that connects a control electrode of one of the at least two semiconductor elements and the control circuit board, wherein the second wiring member is wire-bonded from the control electrode towards the control circuit board, and has a first end on the control electrode and a second end on the control circuit board, the first end having a cut end face facing upward normal to a surface of the control electrode and the second end having a cut end face facing sideways parallel to a surface of the control circuit board.
Semiconductor device
The object is to provide a semiconductor device that prevents a snapback operation and has excellent heat dissipation. The semiconductor device includes a semiconductor substrate, transistor portions, diode portions, a surface electrode, and external wiring. The transistor portions and the diode portions are provided in the semiconductor substrate and are arranged in one direction parallel with the surface of the semiconductor substrate. A bonding portion of the external wiring is connected to the surface electrode. The transistor portions and the diode portions are provided in a first region and a second region and alternately arranged in the one direction. A first transistor width and a first diode width in the first region are smaller than a width of the bonding portion. A second transistor width and a second diode width in the second region are larger than the width of the bonding portion.
Semiconductor package having wettable lead flank and method of making the same
A semiconductor package comprises a lead frame, a chip, and a molding encapsulation. The lead frame comprises one or more die paddles, a first plurality of leads, and a second plurality of leads. A respective end surface of each lead of the first plurality of leads and the second plurality of leads is plated with a metal. A first respective window on a first side of each lead of the first plurality of leads and the second plurality of leads is not plated with the metal. A second respective window on a second side of each lead of the first plurality of leads and the second plurality of leads is not plated with the metal. A method for fabricating a semiconductor package comprises the steps of providing a lead frame array, mounting a chip, forming a molding encapsulation, and applying a cutting process or a punching process.