H01L24/00

METHOD FOR MANUFACTURING ELECTRICAL INTERCONNECTION STRUCTURE
20180013251 · 2018-01-11 ·

Provided is a method of manufacturing an electrical connection structure which includes a female connection structure having an inner conductive material inside an insertion hole of a female connection member, and a male connection structure having a conductive column configured to be inserted into and fixed to the insertion hole to be in contact with the inner conductive material, and formed to protrude from a male connection member. The method includes preparing insulating members used for the female connection member and the male connection member, and forming the inner conductive material and the column by patterning a conductive material on each of the insulating member using a photolithography process.

Power Converter

An object of the present invention is to reduce wire inductance without damaging manufacturability of a power converter. A power converter according to the present invention includes a power semiconductor module, a capacitor, and DC bus bars and. The capacitor smooths a DC power. The DC bus bars and transmit the DC power. The DC bus bars and include a first terminal and a second terminal. The first terminal connects to the power semiconductor module. The second terminal connects to the capacitor. The DC bus bars and form a module opening portion to insert the power semiconductor module. The DC bus bars and form a closed circuit such that a DC current flowing between the first terminal and the second terminal flows to an outer periphery of the module opening portion.

PRESSURE SENSOR SYSTEM

A pressure sensor system with at least two absolute pressure sensors can have an external sensor with a pressure sensitive surface in contact with atmospheric pressure (proximal) and internal sensors each with a pressure sensitive surface in contact with one or more regions at an unknown pressure (distal). The unknown pressure is determined by a means to calculate the difference between the first sensor and the internal sensors.

GaN-on-Si SEMICONDUCTOR DEVICE STRUCTURES FOR HIGH CURRENT/ HIGH VOLTAGE LATERAL GaN TRANSISTORS AND METHODS OF FABRICATION THEREOF
20180012770 · 2018-01-11 ·

A GaN-on-Si device structure and a method of fabrication are disclosed for improved die yield and device reliability of high current/high voltage lateral GaN transistors. A plurality of conventional GaN device structures comprising GaN epi-layers are fabricated on a silicon substrate (GaN-on-Si die). After processing of on-chip interconnect layers, a trench structure is defined around each die, through the GaN epi-layers and into the silicon substrate. A trench cladding is provided on proximal sidewalls, comprising at least one of a passivation layer and a conductive metal layer. The trench cladding extends over exposed surfaces of the GaN epi-layers, over the interface region with the substrate, and over the exposed surfaces of the interconnect layers. This structure reduces risk of propagation of dicing damage and defects or cracks in the GaN epi-layers into active device regions. A metal trench cladding acts as a barrier for electro-migration of mobile ions.

Fault tolerant memory systems and components with interconnected and redundant data interfaces
11709736 · 2023-07-25 · ·

A memory system includes dynamic random-access memory (DRAM) components that include interconnected and redundant component data interfaces. The redundant interfaces facilitate memory interconnect topologies that accommodate considerably more DRAM components per memory channel than do traditional memory systems, and thus offer considerably more memory capacity per channel, without concomitant reductions in signaling speeds. The memory components can be configured to route data around defective data connections to maintain full capacity and continue to support memory transactions.

Semiconductor package structure
11710688 · 2023-07-25 · ·

A semiconductor package structure includes a frontside redistribution layer, a stacking structure, a backside redistribution layer, a first intellectual property (IP) core, and a second IP core. The stacking structure is disposed over the frontside redistribution layer and comprises a first semiconductor die and a second semiconductor die over the first semiconductor die. The backside redistribution layer is disposed over the stacking structure. The first IP core is disposed in the stacking structure and is electrically coupled to the frontside redistribution layer through a first routing channel. The second IP core is disposed in the stacking structure and is electrically coupled to the backside redistribution layer through a second routing channel, wherein the second routing channel is separated from the first routing channel and electrically insulated from the frontside redistribution layer.

BONDING SHEET AND BONDED STRUCTURE
20230005871 · 2023-01-05 ·

A bonding sheet includes a copper foil and sinterable bonding films formed on both faces of the copper foil. The bonding films each contain copper particles and a solid reducing agent. The bonding sheet is used to bond to a target object to be bonded having at least one metal selected from gold, silver, copper, and nickel on a surface thereof. A bonded structure includes: a bonded object having at least one metal selected from gold, silver, copper, and nickel on a surface thereof; a copper foil; and a bonding layer including a sintered structure of copper particles; and the bonded object and the copper foil are electrically connected to each other via the bonding layer.

Semiconductor device comprising electronic components electrically joined to each other via metal nanoparticle sintered layer and method of manufacturing the same
11569169 · 2023-01-31 · ·

Provided is a semiconductor device including electronic components electrically joined to each other via a metal nanoparticle sintered layer, wherein the metal nanoparticle sintered layer has formed therein a metal diffusion region in which a metal constituting a metallization layer formed on a surface of one of the electronic components is diffused, and in which the metal is present in an amount of 10 mass % or more and less than 100 mass % according to TEM-EDS analysis, and wherein the metal diffusion region has a thickness smaller than a thickness of the metallization layer.

OPTICAL ASSEMBLY WITH A MICROLENS COMPONENT AND CONTACTS ON A SAME SURFACE OF A VERTICAL CAVITY SURFACE EMITTING LASER DEVICE

In some implementations, an optical assembly includes a substrate that includes a thermally conductive core, an IC driver chip that is disposed on a first surface of the substrate, and a VCSEL device that includes an electrically insulated surface that is disposed on the thermally conductive core of the substrate within a cavity formed in the second surface of the substrate. The VCSEL device includes a cathode contact disposed on a surface of the VCSEL device and an anode contact disposed on the surface of the VCSEL device. The VCSEL device includes a plurality of emitters and a microlens component that is disposed over the plurality of emitters on the surface of the VCSEL device.

VERTICAL LIGHT EMITTING DIODE CHIP PACKAGE WITH ELECTRICAL DETECTION POSITION

The invention comprises a light emitting diode chip and a package substrate. The light emitting diode chip is provided with a semiconductor epitaxial structure, a lateral extending interface structure, a chip conductive structure, an N-type electrode located above the semiconductor epitaxial structure and a P-type bypass detection electrode located on the lateral extending interface structure. The chip conductive structure is provided with a P-type main electrode located on a lower side. The package substrate comprises a plurality of electrode contacts through which the N-type electrode, the P-type bypass detection electrode and the P-type main electrode are connected, and a process quality of a alternative substrate adhesive layer in one of the semiconductor epitaxial structure and the chip conductive structure and a chip-substrate bonding adhesive layer between the P-type main electrode and the package substrate is evaluated by detecting electrical characteristics.