H01L23/53223

Material and process for copper barrier layer

A method of fabricating a semiconductor device comprises forming a first dielectric material layer on a semiconductor substrate. The first dielectric material layer is patterned to form a plurality of vias therein. A metal layer is formed on the first dielectric material layer, wherein the metal layer fills the plurality of vias. The metal layer is etched such that portions of the metal layer above the first dielectric material layer are patterned to form a plurality of metal features aligned with the plurality of vias respectively. A self-assembled monolayer film is formed on surfaces of the plurality of metal features.

Method of forming inter-level dielectric structures on semiconductor devices
09818642 · 2017-11-14 · ·

A semiconductor device and a method for making the semiconductor device are provided. The method of making the semiconductor device may include patterning a layer for a first conductor and a second conductor, plating patterned portions of the layer to form the first conductor and the second conductor, removing patterned material to form an air gap between the first conductor and the second conductor, applying a self-supporting film on top of the first conductor and the second conductor to enclose the air gap, and reacting the self-supporting film causing the self-supporting film to be substantially non-conductive.

Method of forming hybrid diffusion barrier layer and semiconductor device thereof

In a method of fabricating a semiconductor device, an opening is formed inside a dielectric layer above a semiconductor substrate. The opening has a wall. At least one diffusion barrier material is then formed over the wall of the opening by at least two alternating steps, which are selected from the group consisting of a process of physical vapor deposition (PVD) and a process of atomic layer deposition (ALD). A liner layer is formed over the at least one diffusion barrier material.

Fermi-level unpinning structures for semiconductive devices, processes of forming same, and systems containing same

An interlayer is used to reduce Fermi-level pinning phenomena in a semiconductive device with a semiconductive substrate. The interlayer may be a rare-earth oxide. The interlayer may be an ionic semiconductor. A metallic barrier film may be disposed between the interlayer and a metallic coupling. The interlayer may be a thermal-process combination of the metallic barrier film and the semiconductive substrate. A process of forming the interlayer may include grading the interlayer. A computing system includes the interlayer.

Semiconductor package and method of forming the same

An embodiment is a method including forming a first passive device in a first wafer, forming a first dielectric layer over a first side of the first wafer, forming a first plurality of bond pads in the first dielectric layer, planarizing the first dielectric layer and the first plurality of bond pads to level top surfaces of the first dielectric layer and the first plurality of bond pads with each other, hybrid bonding a first device die to the first dielectric layer and at least some of the first plurality of bond pads, and encapsulating the first device die in a first encapsulant.

Self-aligned via structures with barrier layers

Interconnect structures and methods of forming the same are provided. An interconnect structure according to the present disclosure includes a conductive line feature over a substrate, a conductive etch stop layer over the conductive line feature, a contact via over the conductive etch stop layer, and a barrier layer disposed along a sidewall of the conductive line feature, a sidewall of the conductive etch stop layer, and a sidewall of the contact via.

Deposition of graphene on a dielectric surface for next generation interconnects

An integrated circuit structure, comprises a dielectric material having an opening therein, the opening defined by sides and a bottom. A graphene barrier material is conformal to the sides and the bottom of the opening, and a conductive metal over the graphene barrier material that fills at least a portion of a remainder of the opening in the dielectric material. The graphene barrier is formed by applying a non-hydrogen based plasma pretreatment to the dielectric surface, including the sides and the bottom of the opening, to substantially remove any passivation and provide an activated dielectric surface. A carbon-based precursor is exposed to the activated dielectric surface at less than approximately 400° C. to form the graphene barrier.

METALLIZATION FOR A THIN-FILM COMPONENT, PROCESS FOR THE PRODUCTION THEREOF AND SPUTTERING TARGET

A metallization for a thin-film component includes at least one layer composed of an Mo-based alloy containing Al and Ti and usual impurities. A process for producing a metallization includes providing at least one sputtering target, depositing at least one layer of an Mo-based alloy containing Al and Ti and usual impurities, and structuring the metallization by using at least one photolithographic process and at least one subsequent etching step. A sputtering target is composed of an Mo-based alloy containing Al and Ti and usual impurities. A process for producing a sputtering target composed of an Mo-based alloy includes providing a powder mixture containing Mo and also Al and Ti and cold gas spraying (CGS) of the powder mixture onto a suitable support material.

Manufacturing method of semiconductor device

It is to provide a manufacturing method of a semiconductor device including the following step of: preparing a semiconductor substrate having a silicon nitride film on the rear surface; forming an interlayer insulating film having a via hole on the main surface of the semiconductor substrate; and forming a via-fill selectively within the via hole. The method further includes the steps of: performing the wafer rear surface cleaning to expose the surface of the silicon nitride film formed on the rear surface of the semiconductor substrate; and thereafter, forming a photoresist film made of chemical amplification type resist on the interlayer insulating film and the via-fill over the main surface of the semiconductor substrate, in which the semiconductor substrate is stored in an atmosphere with the ammonium ion concentration of 1000 μg/m.sup.3 and less.

Interconnect structure and fabrication thereof

Interconnect structures and processes generally include creating point defects in exposed surfaces of the dielectric layer to create a point defect region at a relatively shallow depth, wherein the point defect region is a fraction of the dielectric layer and is created with exposure to silicon, carbon, nitrogen, oxygen, or mixtures thereof such that the point defect region contains Si, C, N O, or mixtures containing at least one of the foregoing. A seed layer can be deposited and includes at least one alloying element that is effective to form an in situ self-aligned liner layer with the Si, C, N O, or mixtures containing at least one of the foregoing within the point defect region, which is formed at a depth of less than 10 nanometers. The in situ liner layer within the dielectric layer maximizes the volume fraction of the conductor of the interconnect structure.