Patent classifications
H01L21/02142
Method of forming oxide film including two non-oxygen elements, method of manufacturing semiconductor device, method of forming dielectric film, and semiconductor device
A method of forming an oxide film including two non-oxygen elements includes providing a first source material on a substrate, the first source material including a first central element, providing an electron donor compound to be bonded to the first source material, providing a second source material on the substrate after the providing of the electron donor compound, the second source material including a second central element, and providing an oxidant on the substrate.
Precursors and flowable CVD methods for making low-K films to fill surface features
A method for depositing a silicon-containing film, the method comprising: placing a substrate comprising at least one surface feature into a flowable CVD reactor which is at a temperature of from about −20° C. to about 100° C.; increasing pressure in the reactor to at least 10 torr; and introducing into the reactor at least one silicon-containing compound having at least one acetoxy group to at least partially react the at least one silicon-containing compound to form a flowable liquid oligomer wherein the flowable liquid oligomer forms a silicon oxide coating on the substrate and at least partially fills at least a portion of the at least one surface feature. Once cured, the silicon oxide coating has a low k and excellent mechanical properties.
Device of dielectric layer
A device includes a semiconductor fin and a shallow trench isolation (STI) structure. The semiconductor fin extends from a semiconductor substrate. The STI structure is around a lower portion of the semiconductor fin, and the STI structure includes a liner layer and an isolation material. The liner layer includes a metal-contained ternary dielectric material. The isolation material is over the liner layer.
Selective Removal of an Etching Stop Layer for Improving Overlay Shift Tolerance
An example embodiment of the present disclosure involves a method for semiconductor device fabrication. The method comprises providing a structure that includes a conductive component and an interlayer dielectric (ILD) that includes silicon and surrounds the conductive component, and forming, over the conductive component and the ILD, an etch stop layer (ESL) that includes metal oxide. The ESL includes a first portion in contact with the conductive component and a second portion in contact with the ILD. The method further comprises baking the ESL to transform the metal oxide located in the second portion of the ESL into metal silicon oxide, and selectively etching the ESL so as to remove the first portion of the ESL but not the second portion of the ESL.
Precursors and Flowable CVD Methods for Making Low-K Films to Fill Surface Features
A method for depositing a silicon-containing film, the method comprising: placing a substrate comprising at least one surface feature into a flowable CVD reactor which is at a temperature of from about 20 C. to about 100 C.; increasing pressure in the reactor to at least 10 torr; and introducing into the reactor at least one silicon-containing compound having at least one acetoxy group to at least partially react the at least one silicon-containing compound to form a flowable liquid oligomer wherein the flowable liquid oligomer forms a silicon oxide coating on the substrate and at least partially fills at least a portion of the at least one surface feature. Once cured, the silicon oxide coating has a low k and excellent mechanical properties.
Residual removal
Methods for removing residuals after a selective deposition process are provided. In one embodiment, the method includes performing a selective deposition process to form a metal containing dielectric material at a first location of a substrate and performing a residual removal process to remove residuals from a second location of the substrate.
METHOD OF FORMING OXIDE FILM INCLUDING TWO NON-OXYGEN ELEMENTS, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, METHOD OF FORMING DIELECTRIC FILM, AND SEMICONDUCTOR DEVICE
A method of forming an oxide film including two non-oxygen elements includes providing a first source material on a substrate, the first source material including a first central element, providing an electron donor compound to be bonded to the first source material, providing a second source material on the substrate after the providing of the electron donor compound, the second source material including a second central element, and providing an oxidant on the substrate.
Selective removal of an etching stop layer for improving overlay shift tolerance
An example embodiment of the present disclosure involves a method for semiconductor device fabrication. The method comprises providing a structure that includes a conductive component and an interlayer dielectric (ILD) that includes silicon and surrounds the conductive component, and forming, over the conductive component and the ILD, an etch stop layer (ESL) that includes metal oxide. The ESL includes a first portion in contact with the conductive component and a second portion in contact with the ILD. The method further comprises baking the ESL to transform the metal oxide located in the second portion of the ESL into metal silicon oxide, and selectively etching the ESL so as to remove the first portion of the ESL but not the second portion of the ESL.
SEMICONDUCTOR FILM COMPOSITION, METHOD FOR MANUFACTURING SEMICONDUCTOR FILM COMPOSITION, METHOD FOR MANUFACTURING SEMICONDUCTOR MEMBER, METHOD FOR MANUFACTURING SEMICONDUCTOR PROCESSING MATERIAL, AND SEMICONDUCTOR DEVICE
Provided is a composition for forming a film for semiconductor devices, including: a compound (A) including a SiO bond and a cationic functional group containing at least one of a primary nitrogen atom or a secondary nitrogen atom; a crosslinking agent (B) which includes three or more C(O)OX groups (X is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms) in the molecule, in which from one to six of three or more C(O)OX groups are C(O)OH groups, and which has a weight average molecular weight of from 200 to 600; and a polar solvent (D).
Semiconductor structure stack
Methods, apparatuses, and systems related to stack a semiconductor structure are described. An example method includes stacking a semiconductor structure between electrode materials having a first silicate material on a working surface. The method further includes forming a first nitride material on the first silicate material. The method further includes forming a second silicate material on the first nitride material. The method further includes forming a second nitride material on the second silicate material. The method further includes forming a third silicate material on the second nitride. The method further includes forming a third nitride on the third silicate material. The method further includes using a wet etch process to increase a width between electrode materials. The method further includes using a dry etch process to remove a portion of materials within the semiconductor structure.