H01L24/43

Package structure and method of forming the same
11145596 · 2021-10-12 · ·

A package structure and method of forming the same are provided. The package structure includes a die, a redistribution structure and a conductive pad. The redistribution structure is disposed on and electrically connected to the die. The redistribution structure includes a dielectric film, a conductive line, an adhesive layer and a conductive via. The dielectric film has a first surface and a second surface opposite to each other. The conductive line and the adhesive layer are located between the first surface of the dielectric film and the die. The conductive line is electrically connected to the die, and the adhesive layer laterally surrounds the conductive line. The conductive via penetrates through the dielectric film and the adhesive layer to electrically connect to the conductive line. The conductive pad is electrically connected to the die through the redistribution structure.

COPPER WIRE BOND ON GOLD BUMP ON SEMICONDUCTOR DIE BOND PAD
20210313291 · 2021-10-07 ·

A semiconductor package includes a conductive pad, a semiconductor die with an aluminum bond pad over a dielectric layer of the semiconductor die, a gold bump on the aluminum bond pad, a first intermetallic layer of gold and aluminum between the aluminum bond pad and the gold bump, a copper ball bond on the gold bump, a second intermetallic layer of copper and gold between the copper ball bond and the gold bump, a copper wire extending from the copper ball bond to the conductive pad, a stitch bond between the copper wire and the conductive pad.

Manufacturing method for electronic component, and electronic component
11139266 · 2021-10-05 · ·

A manufacturing method for an electronic component includes forming an electrically conductive pillar on a surface of a support, forming an intermediate layer covering a side surface of the pillar, forming a conductor layer covering a side surface of the intermediate layer, and molding a resin structure covering a side surface of the conductor layer.

PALLADIUM-COATED COPPER BONDING WIRE AND METHOD FOR MANUFACTURING SAME
20210280553 · 2021-09-09 ·

There is provided a palladium-coated copper bonding wire that does not cause a shrinkage cavity during first bonding, has high bonding reliability, and is capable of maintaining excellent bonding reliability for a long period of time even in high-temperature and high-humidity environments. A palladium-coated copper bonding wire in which a concentration of palladium is 1.0 mass % or more and 4.0 mass % or less relative to the total of copper, palladium, and a sulfur group element, a total concentration of the sulfur group element is 50 mass ppm or less, and a concentration of sulfur is 5 mass ppm or more and 12 mass ppm or less, a concentration of selenium is 5 mass ppm or more and 20 mass ppm or less, or a concentration of tellurium is 15 mass ppm or more and 50 mass ppm or less, and the palladium-coated copper bonding wire including a palladium-concentrated region with the average concentration of palladium of 6.5 atom % or more and 30.0 atom % or less relative to the total of copper and palladium within a range from a surface of a tip portion of a free air ball formed at a tip of the wire to 5.0 nm or more and 100.0 nm or less.

Nanostructure barrier for copper wire bonding

A nanostructure barrier for copper wire bonding includes metal grains and inter-grain metal between the metal grains. The nanostructure barrier includes a first metal selected from nickel or cobalt, and a second metal selected from tungsten or molybdenum. A concentration of the second metal is higher in the inter-grain metal than in the metal grains. The nanostructure barrier may be on a copper core wire to provide a coated bond wire. The nanostructure barrier may be on a bond pad to form a coated bond pad. A method of plating the nanostructure barrier using reverse pulse plating is disclosed. A wire bonding method using the coated bond wire is disclosed.

PROCESS FOR FORMING METAL WIRES

A process to fabricate ultra-fine grain metal wire, comprising: inserting a plurality of metal strands into a flexible elastic polyurethane sheath having an accommodating slot for each of the strands of metal to form a sheathed strand assembly; equal channel angular pressing (ECAP pressing) the sheathed strand assembly through an ECAP die having a plurality of die channels corresponding to the plurality of metal strands. The process is designed to improve electric conductance and mechanical properties of elongated metal parts and is especially applicable to optimize the conductance and tensile strength of copper cables, wires, strings, and rods.

Semiconductor package structure with heat sink and method preparing the same

The present disclosure provides a chip package structure having a heat sink and a method making the same. The method includes: bonding a chip to a top surface of a package substrate and forming a heat-conducting lead having an arc-shape and placed on the chip in a vertical direction, a first end of the heat-conducting lead is connected with a surface of the chip, and a second end is connected with a solder ball; forming a plastic package material layer that protects the chip and the heat-conducting lead; forming a heat-conducting adhesive layer on the surface of the plastic package material layer, where the heat-conducting adhesive layer is connected with the solder ball on the second end of the heat-conducting lead; and forming a heat dissipation layer on a surface of the heat-conducting adhesive layer. With the present disclosure, the heat dissipation efficiency of the chip is effectively improved.

SOURCE/DRAIN REGIONS IN INTEGRATED CIRCUIT STRUCTURES

Disclosed herein are source/drain regions in integrated circuit (IC) structures, as well as related methods and components. For example, in some embodiments, an IC structure may include: an array of channel regions, including a first channel region and an adjacent second channel region; a first source/drain region proximate to the first channel region; a second source/drain region proximate to the second channel region; and an insulating material region at least partially between the first source/drain region and the second source/drain region.

Semiconductor package including stacked semiconductor chips and method for fabricating the same
11133287 · 2021-09-28 · ·

A semiconductor package may include: a chip stack including first to N.sup.th semiconductor chips having first to N.sup.th chip pads formed in active surfaces thereof, respectively, and sequentially stacked in a vertical direction such that the first to N.sup.th chip pads are exposed, wherein N is a natural number equal to or more than 2; first to N.sup.th vertical wires having first ends connected to the first to N.sup.th chip pads, respectively, and extended in the vertical direction; a coating layer surrounding portions of the first to k.sup.th vertical wires, extended from the first ends, among the first to N.sup.th vertical wires, and connection portions between the first ends of the first to k.sup.th vertical wires and the first to k.sup.th chip pads; and a molding layer covering the chip stack, surrounding the vertical wires, and covering the coating layer.

SEMICONDUCTOR PACKAGE HAVING AT LEAST ONE ELECTRICALLY CONDUCTIVE SPACER AND METHOD OF FORMING THE SEMICONDUCTOR PACKAGE

A semiconductor package is provided. The semiconductor package may include at least one semiconductor chip including a contact pad configured to conduct a current, a conductor element, wherein the conductor element is arranged laterally overlapping the contact pad and with a distance to the contact pad, at least one electrically conductive spacer, a first adhesive system configured to electrically and mechanically connect the at least one electrically conductive spacer with the contact pad, and a second adhesive system configured to electrically and mechanically connect the at least one electrically conductive spacer with the conductor element, wherein the conductor element is electrically conductively connected to a clip or is at least part of a clip, and wherein the spacer is configured to electrically conductively connect the contact pad with the laterally overlapping portion of the conductor element.