摘要:
A method for preparing an interlayer dielectric to minimize damage to the interlayer's dielectric properties, the method comprising the steps of: depositing a layer of a silicon-containing dielectric material onto a substrate, wherein the layer has a first dielectric constant and wherein the layer has at least one surface; providing an etched pattern in the layer by a method that includes at least one etch process and exposure to a wet chemical composition to provide an etched layer, wherein the etched layer has a second dielectric constant, and wherein the wet chemical composition contributes from 0 to 40% of the second dielectric constant; contacting the at least one surface of the layer with a silicon-containing fluid; optionally removing a first portion of the silicon-containing fluid such that a second portion of the silicon-containing fluid remains in contact with the at least one surface of the layer; and exposing the at least one surface of the layer to UV radiation and thermal energy, wherein the layer has a third dielectric constant that is restored to a value that is at least 90% restored relative to the second dielectric constant.
摘要:
Described herein is a method for removing at least a portion of the carbon-containing species within an organosilicate (OSG) film by treating the OSG film with a chemical, such as but not limited to an oxidizer, exposing the OSG film to an energy source comprising ultraviolet light, or treating the OSG film with a chemical and exposing the OSG film to an energy source.
摘要:
Low dielectric materials and films comprising same have been identified for improved performance when used as performance materials, for example, in interlevel dielectrics integrated circuits as well as methods for making same. In one aspect of the present invention, the performance of the dielectric material may be improved by controlling the weight percentage of ethylene oxide groups in the at least one porogen.
摘要:
Adsorption of carbon dioxide from gas streams at temperatures in the range of 300 to 500° C. is carried out with a solid adsorbent containing magnesium oxide, preferably promoted with an alkali metal carbonate or bicarbonate so that the atomic ratio of alkali metal to magnesium is in the range of 0.006 to 2.60. Preferred adsorbents are made from the precipitate formed on addition of alkali metal and carbonate ions to an aqueous solution of a magnesium salt. Atomic ratios of alkali metal to magnesium can be adjusted by washing the precipitate with water. Low surface area adsorbents can be made by dehydration and CO2 removal of magnesium hydroxycarbonate, with or without alkali metal promotion. The process is especially valuable in pressure swing adsorption operations.
摘要:
The present invention is a process for spin-on deposition of a silicon dioxide-containing film under oxidative conditions for gap-filling in high aspect ratio features for shallow trench isolation used in memory and logic circuit-containing semiconductor substrates, such as silicon wafers having one or more integrated circuit structures contained thereon, comprising the steps of: providing a semiconductor substrate having high aspect ratio features; contacting the semiconductor substrate with a liquid formulation comprising a low molecular weight aminosilane; forming a film by spreading the liquid formulation over the semiconductor substrate; heating the film at elevated temperatures under oxidative conditions. Compositions for this process are also set forth.
摘要:
Low dielectric materials and films comprising same have been identified for improved performance when used as performance materials, for example, in interlevel dielectrics integrated circuits as well as methods for making same. In one aspect of the present invention, the performance of the dielectric material may be improved by controlling the weight percentage of ethylene oxide groups in the at least one porogen.
摘要:
A method for preparing an interlayer dielectric to minimize damage to the interlayer's dielectric properties, the method comprising the steps of: depositing a layer of a silicon-containing dielectric material onto a substrate, wherein the layer has a first dielectric constant and wherein the layer has at least one surface; providing an etched pattern in the layer by a method that includes at least one etch process and exposure to a wet chemical composition to provide an etched layer, wherein the etched layer has a second dielectric constant, and wherein the wet chemical composition contributes from 0 to 40% of the second dielectric constant; contacting the at least one surface of the layer with a silicon-containing fluid; optionally removing a first portion of the silicon-containing fluid such that a second portion of the silicon-containing fluid remains in contact with the at least one surface of the layer; and exposing the at least one surface of the layer to UV radiation and thermal energy, wherein the layer has a third dielectric constant that is restored to a value that is at least 90% restored relative to the second dielectric constant.
摘要:
Silica-based materials and films having a dielectric constant of 3.7 or below and compositions and methods for making and using same are disclosed herein. In one aspect, there is provided a composition for preparing a silica-based material comprising an at least one silica source, a solvent, an at least one porogen, optionally a catalyst, and optionally a flow additive wherein the solvent boils at a temperature ranging from 90° C. to 170° C. and is selected from the group of compounds represented by the following formulas: HO—CHR8—CHR9—CH2—CHR10R11 where R8, R9, R10 and R11 can independently be an alkyl group ranging from 1 to 4 carbon atoms or a hydrogen atom; and R12—CO—R13 where R12 is a hydrocarbon group having from 3 to 6 carbon atoms; R13 is a hydrocarbon group having from 1 to 3 carbon atoms; and mixtures thereof.
摘要翻译:本文公开了具有3.7或更低介电常数的二氧化硅基材料和膜及其制备和使用方法。 在一个方面,提供了一种用于制备二氧化硅基材料的组合物,其包含至少一种二氧化硅源,溶剂,至少一种致孔剂,任选的催化剂和任选的流动添加剂,其中溶剂在温度范围内沸腾 从90℃至170℃,并且选自由下式表示的化合物组:HO-CHR8-CHR9-CH2-CHR10R11,其中R8,R9,R10和R11可以独立地为烷基,范围为1 至4个碳原子或氢原子; 和R12-CO-R13,其中R12是具有3至6个碳原子的烃基; R 13是具有1至3个碳原子的烃基; 及其混合物。
摘要:
Low dielectric materials and films comprising same have been identified for improved performance when used as performance materials, for example, in interlevel dielectrics integrated circuits as well as methods for making same. In one aspect of the present invention, the performance of the dielectric material may be improved by controlling the weight percentage of ethylene oxide groups in the at least one porogen.