H01L21/28556

Display device, method of manufacturing display device, and electronic apparatus
11678519 · 2023-06-13 · ·

A display device according to the present disclosure includes: a thin film transistor with a bottom gate structure and a thin film transistor with a top gate structure on a same substrate. A gate electrode of the thin film transistor with the top gate structure is provided in a same layer as a wire layer. A method of manufacturing a display device according to the present disclosure, the display device including a thin film transistor with a bottom gate structure and a thin film transistor with a top gate structure on a same substrate, includes: forming a gate electrode of the thin film transistor with the top gate structure in a same layer as a wire layer.

DEVICES AND METHODS OF FORMING LOW RESISTIVITY NOBLE METAL INTERCONNECT WITH IMPROVED ADHESION

Devices and methods of fabricating integrated circuit devices for forming low resistivity interconnects with improved adhesion are provided. One method includes, for instance: obtaining an intermediate semiconductor interconnect device having a substrate, a cap layer, and a dielectric matrix including a set of trenches and a set of vias; depositing a metal interconnect material directly over and contacting a top surface of the dielectric matrix, wherein the metal interconnect material fills the set of trenches and the set of vias; depositing a barrier layer over a top surface of the device; annealing the barrier layer to diffuse the barrier layer to a bottom surface of the metal interconnect material; planarizing a top surface of the intermediate semiconductor interconnect device; and depositing a dielectric cap over the intermediate semiconductor interconnect device.

SYSTEMS AND METHODS FOR A PLASMA ENHANCED DEPOSITION OF MATERIAL ON A SEMICONDUCTOR SUBSTRATE

A system and method for plasma enhanced deposition processes. An exemplary semiconductor manufacturing system includes a susceptor configured to hold a semiconductor wafer and a sector disposed above the susceptor. The sector includes a first plate and an overlying second plate, operable to form a plasma there between. The first plate includes a plurality of holes extending through the first plate, which vary in at least one of diameter and density from a first region of the first plate to a second region of the first plate.

Techniques providing metal gate devices with multiple barrier layers

A semiconductor device with a metal gate is disclosed. An exemplary semiconductor device with a metal gate includes a semiconductor substrate, source and drain features on the semiconductor substrate, a gate stack over the semiconductor substrate and disposed between the source and drain features. The gate stack includes a HK dielectric layer formed over the semiconductor substrate, a plurality of barrier layers of a metal compound formed on top of the HK dielectric layer, wherein each of the barrier layers has a different chemical composition; and a stack of metals gate layers deposited over the plurality of barrier layers.

Method of manufacturing semiconductor device, substrate processing apparatus and non-transitory computer-readable recording medium

A film containing a prescribed element and carbon is formed on a substrate, by performing a cycle a prescribed number of times, the cycle including: supplying an organic-based source containing a prescribed element and a pseudo catalyst including at least one selected from the group including a halogen compound and a boron compound, into a process chamber in which the substrate is housed, and confining the organic-based source and the pseudo catalyst in the process chamber; maintaining a state in which the organic-based source and the pseudo catalyst are confined in the process chamber; and exhausting an inside of the process chamber.

Devices and methods of forming low resistivity noble metal interconnect

Devices and methods of fabricating integrated circuit devices for forming low resistivity interconnects are provided. One method includes, for instance: obtaining an intermediate semiconductor interconnect device having a substrate, a cap layer, and a dielectric matrix including a set of trenches and a set of vias; depositing a barrier layer along a top surface of the semiconductor interconnect device; depositing and annealing a metal interconnect material over a top surface of the barrier layer, wherein the metal interconnect material fills the set of trenches and the set of vias; planarizing a top surface of the intermediate semiconductor interconnect device; exposing a portion of the barrier layer between the set of trenches and the set of vias; and depositing a dielectric cap. Also disclosed is an intermediate device formed by the method.

Ruthenium film forming method and substrate processing system
11680320 · 2023-06-20 · ·

A ruthenium film forming method includes: causing chlorine to be adsorbed to an upper portion of a recess at a higher density than to a lower portion of the recess by supplying a chlorine-containing gas to a substrate including an insulating film and having the recess; and forming a ruthenium film in the recess by supplying a Ru-containing precursor to the recess to which the chlorine is adsorbed.

METHODS FOR FORMING A METALLIC FILM ON A SUBSTRATE BY CYCLICAL DEPOSITION AND RELATED SEMICONDUCTOR DEVICE STRUCTURES
20220367195 · 2022-11-17 ·

Methods for forming a metallic film on a substrate by cyclical deposition are provided. In some embodiments methods may include contacting the substrate with a first reactant comprising a non-halogen containing metal precursor comprising at least one of copper, nickel or cobalt and contacting the substrate with a second reactant comprising a hydrocarbon substituted hydrazine. In some embodiments related semiconductor device structures may include at least a portion of a metallic interconnect formed by cyclical deposition processes.

METHODS FOR FORMING WORK FUNCTION MODULATING LAYERS

Method of forming film stacks and film stacks for electronic devices are described herein. The methods comprise depositing a molybdenum nucleation layer on a gate oxide layer; depositing a molybdenum layer on the molybdenum nucleation layer; and performing a plasma nitridation process to insert nitrogen atoms into the molybdenum layer to form a work function modulating layer having an effective work function ≤ 4.5 eV. The plasma nitridation process comprises exposing the molybdenum layer to a radical-rich plasma comprising one or more of N.sub.2 or NH.sub.3. Some methods further comprise one or more of annealing the work function modulating layer, depositing a conductive layer on the work function modulating layer, or performing an etch process.

OXIDE FILM REMOVING METHOD, OXIDE FILM REMOVING APPARATUS, CONTACT FORMING METHOD, AND CONTACT FORMING SYSTEM

Disclosed is a method for removing, from a target substrate having an insulating film with a predetermined pattern formed thereon, a silicon-containing oxide film formed in a silicon portion at a bottom of the pattern. The method includes: forming a carbon-based protective film on the entire surface of the insulating film including the pattern by ALD using a carbon source gas; selectively removing the carbon-based protective film on an upper surface of the insulating film and on the bottom of the pattern by an anisotropic plasma processing; removing the silicon-containing oxide film formed on the bottom of the pattern by etching; and removing a remaining portion of the carbon-based protective film.