Abstract:
Provided is a composition for forming silica based insulating layer which includes polysilazane hydroxide or polysiloxazane hydroxide, and has 1200 ppm or less of concentrate of cyclic compound having 400 or less of weight-average molecular weight. The composition for forming silica based insulating layer can reduce thickness dispersion when forming the silica based insulating layer, thereby reducing film deficiency after chemical mechanical polishing (CMP) when manufacturing a semiconductor.
Abstract:
PURPOSE: A filter for filling a gap, a manufacturing method thereof, and a method for manufacturing a semiconductor capacitor are provided to improve the uniformity of a thickness and the dispersion of solutions by including surfactant of 0.001 to 10 weight%. CONSTITUTION: A mold oxide layer(3) is formed on a semiconductor substrate(1). A gap exposing a contact plug of a semiconductor substrate by the photolithography of the mold oxide layer. A conductive layer(5) is formed on the semiconductor substrate and the mold oxide layer. A filling layer(7) is formed on the conductive layer. The conductive layer located on the upper side of the mold oxide layer is partially removed.
Abstract:
PURPOSE: A composition for forming a silica layer is provided to remarkably reduce defects and form a silica layer with improved insulation and gap-fill properties. CONSTITUTION: A composition for forming a silica layer comprises one selected from hydrogenated polysilazane, hydrogenated polysiloxazane, and combinations thereof. The concentration of the hydrogenated polysilazane and hydrogenated polysiloxazane more than an average molecular weight of polystyrene of 50,000 is 0.1% or less. The number of particulates of the composition in the solution is 0-100 /cc. The weight average molecular weight of the hydrogenated polysilazane and hydrogenated polysiloxazane is 1,000-10,000. The total contents of the hydrogenated polysilazane and the hydrogenated polysiloxazane is 0.1-50 weight%.
Abstract:
Provided is a modified hydrogenated polysiloxazane prepared by reacting hydrogenated polysiloxazane with a silane compound selected from the group consisting of polysilane, polycyclosilane and a silane oligomer. The modified hydrogenated polysiloxazane has small molar ratio of nitrogen atoms with respect to silicon atoms, and can markedly decrease layer shrinkage ratio during manufacturing a silica-based insulating layer when applied in a composition for manufacturing the silica-based insulating layer.
Abstract:
하기 화학식 1로 표현되는 부분 및 하기 화학식 2로 표현되는 부분을 갖는 수소화 폴리실록사잔을 포함하고, 염소 농도 1ppm 이하인 실리카계 절연층 형성용 조성물이 제공된다.
상기 화학식 1 및 2에서, R 1 내지 R 7 은 각각 독립적으로 수소, 치환 또는 비치환된 C1 내지 C30의 알킬기, 치환 또는 비치환된 C3 내지 C30의 사이클로알킬기, 치환 또는 비치환된 C6 내지 C30의 아릴기, 치환 또는 비치환된 C7 내지 C30의 아릴알킬기, 치환 또는 비치환된 C1 내지 C30의 헤테로알킬기, 치환 또는 비치환된 C2 내지 C30의 헤테로사이클로알킬기, 치환 또는 비치환된 C2 내지 C30의 알케닐기, 치환 또는 비치환된 알콕시기, 치환 또는 비치환된 카르보닐기, 히드록시기 또는 이들의 조합이고, R 1 내지 R 7 중 적어도 하나는 수소이다.
Abstract:
구조 중에 하기 화학식 1로 표현되는 부분 및 하기 화학식 2로 표현되는 부분을 가지고 말단부에 하기 화학식 3으로 표현되는 부분을 가지는 수소화폴리실록사잔을 포함하고, 상기 수소화폴리실록사잔은 산소함유량이 0.2 내지 3 중량%이며, 하기 화학식 3으로 표현되는 부분은 구조 중의 Si-H 결합의 총 함량에 대하여 15 내지 35%로 포함되어 있는 갭필용 충전제 및 이를 사용한 반도체 캐패시터의 제조 방법에 관한 것이다. 충전제, 수소화폴리실록사잔, 산소, 충전성, 평탄성
Abstract:
PURPOSE: A rinse solution for a polyhydrosiloxazane is provided to sharply peel the interference of the polyhydrosiloxazane thin film. CONSTITUTION: A rinse solution for a polyhydrosiloxazane comprises an alcohol-based solvent, an ester-based solvent, a silanol-based solvent, an alkoxysilane-based solvent, an alkylsilazane-based solvent, and a combination thereof. The additives are selected from n-butanol, octanol, trimethylsilanol, triethylsilanol, hexamethyldisilazane, hexaethyldisilazane, tetraethoxysilane, tetraethoxysilane, tetramthoxysilane, and a combination thereof. [Reference numerals] (AA) Residual film observation; (BB) Film thickness: 500nm; (CC) About 3mm; (DD) About 10mm