An electronic device and a manufacturing method thereof are provided. The method includes at least the following steps. An insulating encapsulant is formed to encapsulate a multi-layered structure and a semiconductor die, where the multi-layered structure includes a first conductor, a diffusion barrier layer on the first conductor, and a metallic layer on the diffusion barrier layer, and the insulating encapsulant at least exposes a portion of the semiconductor die and a portion of the first conductor. A redistribution structure is formed over the insulating encapsulant, the semiconductor die, and the first conductor. The metallic layer is removed to form a recess in the insulating encapsulant. A second conductor is formed in the recess over the diffusion barrier layer, where the first conductor, the diffusion barrier layer, and the second conductor form a conductive structure that is electrically coupled to the semiconductor die through the redistribution structure.

A semiconductor structure and the manufacturing method thereof are disclosed. An exemplary semiconductor structure includes a source/drain (S/D) feature formed in an interlayer dielectric layer (ILD), a S/D contact via electrically connected to the S/D feature, a metal feature formed over the S/D contact via, and a metal line formed over the metal feature and electrically connected to the S/D contact via. The metal line is formed of a material different from that of the S/D contact via, and the S/D contact via is spaced apart from the metal line. By providing the metal feature, electromigration between the metal line and the contact via may be advantageously reduced or substantially eliminated.

Conductive contacts and methods of forming vias include forming a trench that penetrates a dielectric layer to expose a surface of an underlying conductor. Exposed surfaces of the dielectric layer and the exposed surface of the underlying conductor are nitridized to form a layer of nitridation at the exposed surfaces. The exposed surface of the underlying conductor is etched away to form a recessed area in the underlying conductor. A conductive via is formed in the trench and the recessed area that forms a conductive contact with the underlying conductor.

An interconnection structure and a method of manufacturing the same, and an electronic device including the interconnection structure are provided. According to an embodiment, the interconnection structure includes: a first interconnection line at a first level, including at least a first portion extending along a first direction; a second interconnection line at a second level higher than the first level, including at least a second portion extending along a second direction crossing the first direction; a via plug disposed between the first portion of the first interconnection line and the second portion of the second interconnection line, and configured to electrically connect the first interconnection line and the second interconnection line, wherein the via plug includes a first pair of sidewalls respectively extending substantially parallel to corresponding sidewalls of the first portion and a second pair of sidewalls respectively extending substantially parallel to corresponding sidewalls of the second portion.

A method for microstructure modification of conducting lines is provided. An electroplating process is performed to deposit the metal thin film/conducting line(s) with a face-centered cubic (FCC) structure and a preferred crystallographic orientation over a surface of a substrate. The metal thin film/conducting line(s) is subsequently subjected to a thermal annealing process to modify its microstructure with the grain sizes in a range of 5 μm to 100 μm. The thermal annealing process is conducted at the temperature of above 25 degrees Celsius and below 240 degrees Celsius.

A microelectronic device comprises a stack structure comprising insulative levels vertically interleaved with conductive levels. The conductive levels individually comprise a first conductive structure, and a second conductive structure laterally neighboring the first conductive structure, the second conductive structure exhibiting a concentration of β-phase tungsten varying with a vertical distance from a vertically neighboring insulative level. The microelectronic device further comprises slot structures vertically extending through the stack structure and dividing the stack structure into block structures, and strings of memory cells vertically extending through the stack structure, the first conductive structures between laterally neighboring strings of memory cells, the second conductive structures between the slot structures and strings of memory cells nearest the slot structures. Related memory devices, electronic systems, and methods are also described.

A semiconductor device structure is provided. The semiconductor device structure includes a semiconductor substrate and a dielectric layer over the semiconductor substrate. The semiconductor device structure also includes a conductive feature in the dielectric layer, and the conductive feature includes a catalyst layer and a conductive element. The catalyst layer is between the conductive element and the dielectric layer, and the catalyst layer is in physical contact with the conductive element. The catalyst layer continuously surrounds a sidewall and a bottom of the conductive element. The catalyst layer is made of a material different from that of the conductive element, and the catalyst layer is capable of lowering a formation temperature of the conductive element.

A semiconductor device includes a second insulating layer disposed on a substrate and that includes a first trench that extends in a first direction, a first via disposed in the first hole, a first interconnection layer disposed in the first trench on the first via and that has an upwardly upper region, and a third insulating layer disposed on the second insulating layer and that includes a second hole and a second trench connected to the second hole. The first trench has inclined side surfaces such that a width of the first trench increases in a direction toward the substrate, the second hole has inclined side surfaces such that a width of the second hole decreases in the direction toward the substrate, and a lower portion of the second hole is wider than an upper surface of the first interconnection layer.

A semiconductor device structure, along with methods of forming such, are described. The structure includes a source region, a drain region, and a gate electrode layer disposed between the source region and the drain region. The gate electrode layer includes a first surface facing the source region, and the first surface includes an edge portion having a first height. The gate electrode layer further includes a second surface opposite the first surface and facing the drain region. The second surface includes an edge portion having a second height. The second height is different from the first height.

In some embodiments, the present disclosure relates to an integrated chip that includes a lower dielectric arranged over a substrate. An interconnect wire is arranged over the dielectric layer, and a first interconnect dielectric layer is arranged outer sidewalls of the interconnect wire. A protection liner that includes graphene is arranged directly on the outer sidewalls of the interconnect wire and on a top surface of the interconnect wire. The integrated chip further includes a first etch stop layer arranged directly on upper surfaces of the first interconnect dielectric layer, and a second interconnect dielectric layer arranged over the first interconnect dielectric layer and the interconnect wire. Further, an interconnect via extends through the second interconnect dielectric layer, is arranged directly over the protection liner, and is electrically coupled to the interconnect wire.