Patent classifications
H01L21/02112
Deposition of low-stress boron-containing layers
Examples of the present technology include semiconductor processing methods to form boron-containing materials on substrates. Exemplary processing methods may include delivering a deposition precursor that includes a boron-containing precursor to a processing region of a semiconductor processing chamber. A plasma may be formed from the deposition precursor within the processing region of the semiconductor processing chamber. The methods may further include depositing a boron-containing material on a substrate disposed within the processing region of the semiconductor processing chamber, where the substrate is characterized by a temperature of less than or about 50° C. The as-deposited boron-containing material may be characterized by a surface roughness of less than or about 2 nm, and a stress level of less-than or about −500 MPa. In some embodiments, a layer of the boron-containing material may function as a hardmask.
METHOD OF FORMING A GERMANIUM OXYNITRIDE FILM
A method for forming layers suitable for a V-NAND stack is disclosed. Specifically, the method may include multiple cycles for forming an oxide and a nitride in order to form an oxynitride layer.
ADHESION REMOVAL METHOD AND FILM-FORMING METHOD
Provided are an adhesion removal method capable of removing sulfur-containing adhesions that adhere onto the inner surface of a chamber or the inner surface of a pipe connected to the chamber without disassembly of the chamber and a film-forming method. Sulfur-containing adhesions adhering onto at least one of the inner surface of a chamber (10) and the inner surface of a discharge pipe (15) connected to the chamber (10) are removed by reaction with a cleaning gas containing a fluorine-containing compound gas.
SURFACE FUNCTIONALIZATION AND PASSIVATION WITH A CONTROL LAYER
Embodiments described herein relate to semiconductor and metal substrate surface preparation and controlled growth methods. An example application is formation of an atomic layer deposition (ALD) control layer as a diffusion barrier or gate dielectric layer and subsequent ALD processing. Embodiments described herein are believed to be advantageously utilized concerning gate oxide deposition, diffusion barrier deposition, surface functionalization, surface passivation, and oxide nucleation, among other processes. More specifically, embodiments described herein provide for silicon nitride ALD processes which functionalize, passivate, and nucleate a SiN.sub.x monolayer at temperatures below about 300° C.
GRAPHENE NMOS TRANSISTOR USING NITROGEN DIOXIDE CHEMICAL ADSORPTION
An n-type metal-oxide-semiconductor (NMOS) transistor comprises a graphene channel with a chemically adsorbed nitrogen dioxide (NO.sub.2) layer formed thereon. The NMOS transistor may comprise a substrate having a graphene layer formed thereon and a gate stack formed on a portion of the graphene layer disposed in a channel region that further includes a spacer region. The gate stack may comprise the chemically adsorbed NO.sub.2 layer formed on the graphene channel, a high-k dielectric formed over the adsorbed NO.sub.2 layer, a gate metal formed over the high-k dielectric, and spacer structures formed in the spacer region. The adsorbed NO.sub.2 layer formed under the gate and the spacer structures may therefore attract electrons from the graphene channel to turn the graphene-based NMOS transistor off at a gate voltage (V.sub.g) equal to zero, making the graphene-based NMOS transistor suitable for digital logic applications.
Method for manufacturing semiconductor device and semiconductor substrate
A method for manufacturing a semiconductor device includes the steps of forming a fixing layer, coupling a third substrate different from the first substrate and the second substrate to the fixing layer, separating the semiconductor thin film layer from the first substrate by moving the third substrate away from the base material substrate with the third substrate coupled to the coupling region, and bonding the semiconductor thin film layer to the second substrate after separation from the base material substrate, wherein the forming the fixing layer forms the fixing layer having a thickness such lhat a crack is generated between the fixing layer formed on the first substrate and the fixing layer formed on a side surface of the semiconductor thin film layer by a force for moving the third substrate.
SEMICONDUCTOR DEVICE MANUFACTURING METHOD, SUBSTRATE PROCESSING APPARATUS, AND RECORDING MEDIUM
A method includes forming a film on a substrate by performing a cycle n times (where n is an integer equal to or greater than 1), the cycle including alternately performing: performing a set m times (where m is an integer equal to or greater than 1), the set including supplying a precursor to the substrate and supplying a borazine compound to the substrate; and supplying an oxidizing agent to the substrate.
DEPOSITION OF LOW-STRESS BORON-CONTAINING LAYERS
Examples of the present technology include semiconductor processing methods to form boron-containing materials on substrates. Exemplary processing methods may include delivering a deposition precursor that includes a boron-containing precursor to a processing region of a semiconductor processing chamber. A plasma may be formed from the deposition precursor within the processing region of the semiconductor processing chamber. The methods may further include depositing a boron-containing material on a substrate disposed within the processing region of the semiconductor processing chamber, where the substrate is characterized by a temperature of less than or about 50° C. The as-deposited boron-containing material may be characterized by a surface roughness of less than or about 2 nm, and a stress level of less-than or about −500 MPa. In some embodiments, a layer of the boron-containing material may function as a hardmask.
Composition for pattern formation, pattern-forming method, and block copolymer
A pattern-forming method includes forming on one face side of a substrate, a directed self-assembling film, and removing a part of the directed self-assembling film. The directed self-assembling film is formed from a composition including a block copolymer and a solvent. The block copolymer includes a first block composed of a first repeating unit that includes a silicon atom, a second block composed of a second repeating unit that does not include a silicon atom, and a first group that bonds to at least one end of a main chain and links to the first block. The first group is a monovalent group that forms a compound having ClogP of no less than 2.4 provided that a methyl group is bonded to an atom on a side of the main chain. The first group does not comprise a hetero atom.
LOW-K ALD GAP-FILL METHODS AND MATERIAL
Various embodiments include methods to produce low dielectric-constant (low-k) films. In one embodiment, alternating ALD cycles and dopant materials are used to generate a new family of silicon low-k materials. Specifically, these materials were developed to fill high-aspect-ratio structures with re-entrant features. However, such films are also useful in blanket applications where conformal nanolaminates are applicable. Various embodiments also disclose SiOF as well as SiOCF, SiONF, GeOCF, and GeOF. Analogous films may include halide derivatives with iodine and bromine (e.g., replace “F” with “I” or “Br”). Other methods, chemistries, and techniques are disclosed.