Abstract:
본 발명은 단당류계 또는 올리고당류계 포로젠을 포함하는 다공성 층간 절연막을 형성하기 위한 조성물에 관한 것으로, 보다 상세하게는 단당류 또는 올리고당류 유도체(monomeric or oligomeric saccharide derivative); 열적으로 안정한 유기 또는 무기 매트릭스 전구체; 및 상기 물질을 녹이는 용매를 포함하는 다공성 층간 연막을 형성하기 위한 조성물 및 이를 이용하여 50Å 이하 수준으로 기공의 크기가 매우 작은 다공성 반도체 층간 절연막을 제조하는 방법에 관한 것이다.
Abstract:
본 발명은 신규한 다반응성 선형 실록산계 화합물, 상기 화합물로부터 제조된 실록산계 중합체 및 상기 중합체를 이용한 절연막 제조방법에 관한 것으로, 보다 상세하게는, 모듈러스 등 기계적 물성과 열적 안정성이 뛰어나고 탄소함량 및 흡습률이 낮은 중합체를 제공할 수 있는 신규한 다반응성 선형 실록산 화합물, 상기 선형 실록산 화합물 또는 상기 화합물과 다른 단량체부터 제조된 실록산 중합체에 관한 것이고, 아울러 상기 중합체를 포함한 코팅액을 열경화하는 단계를 포함한 절연막의 제조방법에 관한 것이다. 본 발명에 따른 실록산 화합물은 높은 반응성을 가지며, 그로부터 제조된 중합체는 우수한 기계적 물성, 열안정성 및 균열 저항성을 가질 뿐만 아니라, 낮은 흡습률을 나타내며 기공형성물질과의 상용성도 우수하여 낮은 절연계수를 가질 수 있고, 나아가, 중합체 내에 탄소함량이 낮고 SiO 2 의 함량이 높아 반도체 공정에로의 적용성이 향상되어 반도체 소자의 절연막으로써 유용하게 사용될 수 있다.
Abstract:
PURPOSE: Provided are a siloxane-based resin with superior solubility in an organic solvent and good fluidity, and an interlayer insulating film formed therefrom having excellent mechanical physical properties. CONSTITUTION: The siloxane-based resin is prepared by hydrolysis and condensation of a monomer represented by the formula 1 and a monomer selected from the group consisting of compounds represented by the formula 2 to 6 in the presence of an organic solvent using an acid or a basic catalyst, and water. In the formula 1-6, R, R1 and R2 are independently a hydrogen atom, a C1-C3 alkyl group, a C6-C10 cycloalkyl group, or a C6-C15 aryl group, X1-X6 are independently a halogen atom or a C1-C5 alkoxy group, m is an integer of 1-5, n and s is an integer of 1-3, p and q are each an integer of 0-1, r is an integer of 0-10, and t is an integer of 3-8. The interlayer insulating film is formed by dissolving such siloxane-based resin in an organic solvent and coating the solution onto a silicone substrate, followed by heat-curing.
Abstract:
PURPOSE: Provided is a siloxane resin, which has excellent physical properties and a low dielectric constant, and is useful for an interlayer dielectric film for semiconductors having excellent physical properties, thermal stability and cracking resistance. CONSTITUTION: The siloxane resin is obtained by carrying out hydrolysis and condensation of a monomer represented by the following formula 1 and a monomer represented by the following formula 2 by using an acid or base catalyst in the presence of an organic solvent. In formula 1, R1 is H, a C1-C3 alkyl or C6-C15 aryl; each of X1, X2 and X3 independently represents a C1-C3 alkyl, C1-C10 alkoxy or a halogen atom, at least one of X1, X2 and X3 being a hydrolyzable functional group; m is an integer of 0-10; and p is an integer of 3-8. In formula 2, each R2 independently represents H, a C1-C3 alkyl or C6-C15 aryl; X4 is a C1-C10 alkoxy; Y is a C1-C3 alkyl or C1-C10 alkoxy; and n is an integer of 1-10.
Abstract:
PURPOSE: Provided is a styrene-based terpolymer comprising a styrene monomer repeat unit, a styrene derivative repeat unit, and a macromonomer repeat unit, which is excellent in fluidity and impact-resistance. CONSTITUTION: The styrene-based terpolymer (formula 1) is produced by copolymerizing the styrene monomer, the styrene derivative, and the macromonomer in the presence of a catalyst comprising a transition metal compound and an alkyl aluminate. The repeat units of the styrene and the styrene derivative have syndiotactic structure. The styrene-based terpolymer (formula 1) has 0.1-50wt. of the macromonomer, a melting point of 150-272deg.C, and a weight average molecular weight of 50,000-5,000,000. In the formula, R1 is halogen atom or C1-C20 alkyl, R2 is C1-20 saturated hydrocarbon, an aromatic or cycloalkyl group, R3 is C1-C10 saturated hydrocarbon, X is an ion-polymerizable monomer used for synthesizing the macromonomer, m is an integer of 400-20,000, n is an integer of 5-200, o is an integer of 1-20, and l is an integer of 10-3000.