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    • 2. 发明授权
    • Cleaning composition, cleaning process, and process for producing semiconductor device
    • 清洁组合物,清洁工艺和半导体器件的制造工艺
    • US08669217B2
    • 2014-03-11
    • US13050666
    • 2011-03-17
    • Atsushi MizutaniHideo FushimiTomonori TakahashiKazutaka Takahashi
    • Atsushi MizutaniHideo FushimiTomonori TakahashiKazutaka Takahashi
    • C11D7/50C11D11/00
    • H01L21/02076C11D7/261C11D7/265C11D7/3209C11D11/0047H01L21/02063H01L21/02071
    • A cleaning method is provided that includes a step of preparing a cleaning composition containing 57 to 95 wt % of (component a) water, 1 to 40 wt % of (component b) a secondary hydroxy group- and/or tertiary hydroxy group-containing hydroxy compound, (component c) an organic acid, and (component d) a quaternary ammonium compound, the composition having a pH of 5 to 10, and a step of removing plasma etching residue formed above a semiconductor substrate by means of the cleaning composition. There are also provided a process for producing a semiconductor device that includes a step of cleaning plasma etching residue formed above a semiconductor substrate using the cleaning method, and a cleaning composition for removing plasma etching residue formed above a semiconductor substrate that contains 57 to 95 wt % of (component a) water, 1 to 40 wt % of (component b) a secondary hydroxy group- and/or tertiary hydroxy group-containing hydroxy compound, (component c) an organic acid, and (component d) a quaternary ammonium compound, the composition having a pH of 5 to 10.
    • 提供一种清洗方法,其包括制备含有57〜95重量%的(a成分)水,1〜40重量%的(成分b)含羟基和/或叔羟基的 羟基化合物,(组分c)有机酸和(组分d)季铵化合物,该组合物的pH为5〜10,以及通过清洗组合物除去在半导体衬底上形成的等离子体蚀刻残渣的步骤 。 还提供了一种半导体器件的制造方法,该半导体器件包括使用该清洁方法清洗形成在半导体衬底上的等离子体蚀刻残渣的步骤,以及用于除去形成在半导体衬底上的等离子体蚀刻残渣的清洗组合物, (成分a)的水,1〜40重量%的(成分b)含羟基和/或叔羟基的羟基化合物,(成分c)有机酸和(成分d)季铵 化合物,该组合物的pH为5〜10。
    • 3. 发明申请
    • CLEANING COMPOSITION, CLEANING PROCESS, AND PROCESS FOR PRODUCING SEMICONDUCTOR DEVICE
    • 清洁组合物,清洁工艺和生产半导体器件的方法
    • US20110237480A1
    • 2011-09-29
    • US13050666
    • 2011-03-17
    • Atsushi MIZUTANIHideo FushimiTomonori TakahashiKazutaka Takahashi
    • Atsushi MIZUTANIHideo FushimiTomonori TakahashiKazutaka Takahashi
    • C11D7/60
    • H01L21/02076C11D7/261C11D7/265C11D7/3209C11D11/0047H01L21/02063H01L21/02071
    • A cleaning method is provided that includes a step of preparing a cleaning composition containing 57 to 95 wt % of (component a) water, 1 to 40 wt % of (component b) a secondary hydroxy group- and/or tertiary hydroxy group-containing hydroxy compound, (component c) an organic acid, and (component d) a quaternary ammonium compound, the composition having a pH of 5 to 10, and a step of removing plasma etching residue formed above a semiconductor substrate by means of the cleaning composition. There are also provided a process for producing a semiconductor device that includes a step of cleaning plasma etching residue formed above a semiconductor substrate using the cleaning method, and a cleaning composition for removing plasma etching residue formed above a semiconductor substrate that contains 57 to 95 wt % of (component a) water, 1 to 40 wt % of (component b) a secondary hydroxy group- and/or tertiary hydroxy group-containing hydroxy compound, (component c) an organic acid, and (component d) a quaternary ammonium compound, the composition having a pH of 5 to 10.
    • 提供一种清洗方法,其包括制备含有57〜95重量%的(a成分)水,1〜40重量%的(成分b)含羟基和/或叔羟基的 羟基化合物,(组分c)有机酸和(组分d)季铵化合物,该组合物的pH为5〜10,以及通过清洗组合物除去在半导体衬底上形成的等离子体蚀刻残渣的步骤 。 还提供了一种半导体器件的制造方法,该半导体器件包括使用该清洁方法清洗形成在半导体衬底上的等离子体蚀刻残渣的步骤,以及用于除去形成在半导体衬底上的等离子体蚀刻残渣的清洁组合物,该清洁组合物含有57〜95重量% (成分a)的水,1〜40重量%的(成分b)含羟基和/或叔羟基的羟基化合物,(成分c)有机酸和(成分d)季铵 化合物,该组合物的pH为5〜10。
    • 8. 发明授权
    • Method for separation of p-xylene
    • 对二甲苯分离方法
    • US06646177B2
    • 2003-11-11
    • US09929385
    • 2001-08-14
    • Tomonori TakahashiHitoshi SakaiNaoyuki Ogawa
    • Tomonori TakahashiHitoshi SakaiNaoyuki Ogawa
    • C07C7144
    • C07C7/144C07C15/08
    • A method for separating p-xylene by separating and recovering only p-xylene from a p-xylene-containing raw material mixture under high-temperature and high-pressure conditions using a zeolite membrane as a separating membrane is provided. The p-xylene partial pressure at the raw material side of the separating membrane is kept at a sufficiently high pressure and the p-xylene partial pressure at the recovery side of the separating membrane is controlled at a pressure which is not higher than the inflection point of p-xylene adsorption curve. This method for separating p-xylene using a zeolite membrane as a separating membrane can secure a sufficient p-xylene permeation amount and has industrial applicability.
    • 提供了一种通过使用沸石膜作为分离膜在高温和高压条件下从含对二甲苯的原料混合物中仅分离和回收对二甲苯来分离对二甲苯的方法。 将分离膜的原料侧的对二甲苯分压保持在足够高的压力下,将分离膜的回收侧的对二甲苯分压控制在不高于拐点的压力 的对二甲苯吸附曲线。 使用沸石膜作为分离膜分离对二甲苯的方法可以确保足够的对二甲苯渗透量并具有工业实用性。