摘要:
To provide a crosslinkable elastomer composition which is excellent in mechanical properties, ensures a small amount of outgas such as DOP and is suitable as a very clean material for molded article for semiconductor production apparatuses. The composition comprises a crosslinkable elastomer component and ultra fine powders of silicon oxide, in which the ultra fine powders of silicon oxide have 100×1019 or less hydroxyl groups per gram on surfaces thereof, dioctylphthalate adsorption of not more than 8 μg per 1 g of silicon oxide and an average particle size of not more than 0.5 μm.
摘要翻译:为了提供机械特性优异的交联性弹性体组合物,可以确保少量的DOP等排气,适合作为半导体制造装置的成型品的非常干净的材料。 该组合物包含可交联弹性体组分和氧化硅超细粉末,其中氧化硅的超细粉末在其表面上具有每克表面100×10 19或更少的羟基,邻苯二甲酸二辛酯吸附量不超过8gug / g 的氧化硅,平均粒径为0.5μm以下。
摘要:
To provide a very clean elastomer molded article excellent in plasma resistance, having excellent property of metal-elution inhibition and is used suitably as a material for molded article for a semiconductor or liquid crystal manufacturing equipment. The molded article is obtained by crosslinking a crosslinkable elastomer composition comprising an elastomer component and a metal oxide filler comprising a silicon oxide filler containing impurity metals other than silicon in an amount of not more than 100 ppm. The molded article has an impurity metal content of not more than 100 ppm, and an increasing rate of particles generated by irradiating oxygen plasma to the article is not more than 1,000% or an amount of impurity metals other than silicon which is extracted with a 50% aqueous solution of HF is not more than 200 ppb.
摘要:
To provide an elastomer molded article for a semiconductor manufacturing equipment which not only has cleanliness required but also has an excellent plasma resistance and an excellent property of metal-elution inhibition. The elastomer molded article is obtained by crosslinking a crosslinkable elastomer composition comprising a crosslinkable elastomer component and a carbon black filler having an average particle size of not more than 700 &mgr;m and an impurity metal content measured by an ashing analysis method of not more than 300 ppm and has an impurity metal content measured by an ashing analysis method of not more than 100 ppm. An increasing rate of particles generated by irradiating oxygen plasma to the article is not more than 500% or an amount of impurity metals extracted from the article with a 50% aqueous solution of HF is not more than 500 ppb.
摘要:
Elastomer molded article for semiconductor production apparatuses which is obtained by crosslinking and molding a crosslinkable fluorine-containing elastomer composition comprising a crosslinkable fluorine-containing elastomer component and fine particles of aluminum oxide having an average particle size of not more than 0.5 &mgr;m. The elastomer molded article is excellent in plasma resistance and an amount of micro particles generated after irradiation of plasma is very small and therefore a very clean molded article for semiconductor production apparatuses, particularly a sealing material to be used in an environment of plasma irradiation is provided.
摘要:
There is provided an elastomer composition which is prepared by using a very clean filler reduced in both of an amount of moisture generation and an amount of organic outgas generation and is suitable as a molding material for semiconductor production apparatuses and there is provided a molded article. The composition is a crosslinkable composition comprising a high molecular weight polymer, particularly a crosslinkable fluorine-containing elastomer and a filler which has a weight reduction ratio per unit surface area of not more than 2.5×10−5% by weight/m2 when heating at 200° C. for two hours and a total amount of organic gas generated of not more than 2.5 ppm when heating at 200° C. for 15 minutes. The molded article is produced from the crosslinkable composition.
摘要翻译:提供一种弹性体组合物,其通过使用在水分产生量和有机废气产生量中减少的非常干净的填料制备,并且适合作为半导体制造装置的成型材料,并且提供了模制品。 该组合物是包含高分子量聚合物,特别是可交联的含氟弹性体和填料的交联组合物,其每单位表面积的重量减少率不超过2.5×10 -5% 在200℃下加热2小时,并且在200℃下加热15分钟时产生的有机气体总量不超过2.5ppm的总重量/ m 2。 模制品由可交联组合物制备。
摘要:
The present invention provides a crosslinkable elastomer composition, in which generation of HF under high temperature conditions is reduced, the decrease in weight to both NF3 plasma treatment and O3 treatment in the semiconductor manufacturing process is small and generation of foreign substances (particles) in these treatments is suppressed significantly. Specifically, the present invention relates to a crosslinkable elastomer composition comprising a crosslinkable elastomer and a filler having a specific surface area of at least 0.5 m2/g and containing a synthetic polymer having a thermally and chemically stable aromatic ring in the main chain, a crosslinkable elastomer composition comprising a crosslinkable elastomer and nonoxide ceramics and a crosslinkable elastomer composition wherein the decrease in weight by NF3 plasma irradiation is at most 0.20%.
摘要:
The present invention provides a crosslinkable elastomer composition, in which generation of HF under high temperature conditions is reduced, the decrease in weight to both NF3 plasma treatment and O3 treatment in the semiconductor manufacturing process is small and generation of foreign substances (particles) in these treatments is suppressed significantly. Specifically, the present invention relates to a crosslinkable elastomer composition comprising a crosslinkable elastomer and a filler having a specific surface area of at least 0.5 m2/g and containing a synthetic polymer having a thermally and chemically stable aromatic ring in the main chain, a crosslinkable elastomer composition comprising a crosslinkable elastomer and nonoxide ceramics and a crosslinkable elastomer composition wherein the decrease in weight by NF3 plasma irradiation is at most 0.20%.
摘要:
The present invention relates to a surface coated sealing material and provides a sealing material that enhances chemical resistance, plasma resistance, and non-sticking while keeping strength, hardness, and sealing property of a rubber substrate. It is a sealing material that comprises a coating film comprising one kind or more of metal or metallic compound selected from the group of metals, metal oxides, metal nitrides, metal carbides and compounds thereof on the whole or a part of the surface of the substrate which comprises a soft material of Shore D hardness of at most 75 and Shore A hardness of 40 to 100.
摘要:
There is provided a fluorine-containing elastomer molded article which is obtained by irradiating the fluorine-containing elastomer molded article with a plasma and has a center line average roughness of not less than 0.65 μm or a fluorine-containing elastomer molded article which is obtained by applying a resin coating layer on a fluorine-containing elastomer substrate, has a small peeling strength and a small etching rate at the irradiation of plasma and is excellent in detachability and whiteness. There is provided particularly a molded article suitable as various sealing materials for semiconductor production apparatuses.
摘要:
The present invention provides a crosslinkable elastomer composition, in which generation of HF under high temperature conditions is reduced, the decrease in weight to both NF3 plasma treatment and O3 treatment in the semiconductor manufacturing process is small and generation of foreign substances (particles) in these treatments is suppressed significantly. Specifically, the present invention relates to a crosslinkable elastomer composition comprising a crosslinkable elastomer and a filler having a specific surface area of at least 0.5 m2/g and containing a synthetic polymer having a thermally and chemically stable aromatic ring in the main chain, a crosslinkable elastomer composition comprising a crosslinkable elastomer and nonoxide ceramics and a crosslinkable elastomer composition wherein the decrease in weight by NF3 plasma irradiation is at most 0.20%.