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    • 1. 发明专利
    • 半導体基板の超臨界乾燥方法および基板処理装置
    • 半导体基板的超临界干燥方法和基板处理装置
    • JP2014241450A
    • 2014-12-25
    • JP2014189608
    • 2014-09-18
    • 株式会社東芝Toshiba Corp
    • SATO YOHEIOGUCHI HISASHITOMITA HIROSHIHAYASHI HIDEKAZUKITAJIMA YUKIKO
    • H01L21/304
    • 【課題】半導体基板上に生じるパーティクルを低減すると共に、乾燥処理に要する時間を短縮することができる半導体基板の超臨界乾燥方法を提供する。【解決手段】本実施形態によれば、微細パターンが形成された半導体基板の純水リンス後に、半導体基板の表面を水溶性有機溶媒に置換し、水溶性有機溶媒に濡れた状態でチャンバ内に導入する。そして、チャンバ内の温度を昇温して、水溶性有機溶媒を超臨界状態にする。その後、チャンバ内を純水が液化しない温度に保ちながら圧力を下げ、超臨界状態の水溶性有機溶媒を気体に変化させてチャンバから排出し、半導体基板を乾燥させる。【選択図】図3
    • 要解决的问题:提供半导体衬底的超临界干燥方法,能够减少在半导体衬底上产生的颗粒并减少干燥处理所需的时间。解决方案:半导体衬底的超临界干燥方法包括以下步骤:冲洗 通过使用纯水,形成有微细图案的半导体衬底; 然后用水溶性有机溶剂代替半导体衬底表面上的纯水; 然后将半导体衬底用水溶性有机溶剂引入腔室; 然后增加室内的温度,使水溶性有机溶剂达到超临界状态; 然后在室内的温度保持在纯水不液化的温度下降低室内的压力; 将超临界状态的水溶性有机溶剂变为气体,将气体排出室外; 并干燥半导体衬底。
    • 3. 发明专利
    • Deposit removing method
    • 沉积物去除方法
    • JP2012238711A
    • 2012-12-06
    • JP2011106464
    • 2011-05-11
    • Tokyo Electron Ltd東京エレクトロン株式会社Toshiba Corp株式会社東芝
    • TAWARA SHIGERUNISHIMURA EIICHITOMITA HIROSHIOIWA NORIHISAOGUCHI HISASHIOMURA MITSUHIRO
    • H01L21/3065H01L21/302H01L21/304
    • B05D3/145H01L21/02057H01L21/02063H01L21/31116
    • PROBLEM TO BE SOLVED: To provide a deposit removing method which can efficiently remove a deposit and inhibit damages to a silicon dioxide of a structure in a pattern regardless of a length of standing time after an etching treatment.SOLUTION: A deposit removing method of removing a deposit deposited on a surface of a pattern formed on a substrate by etching, comprises: an oxygen plasma processing step of exposing the substrate to an oxygen plasma while heating the substrate; and a cycle processing step of repeatedly performing, after the oxygen plasma processing step, a plurality of cycles of a first period of exposing the substrate to an atmosphere of a mixed gas of a hydrogen fluoride gas and an alcohol gas in a processing chamber and a partial pressure of the alcohol gas is set at a first partial pressure, and a second period of venting the processing chamber and the partial pressure of the alcohol gas is set at a second partial pressure lower than the first partial pressure.
    • 要解决的问题:提供一种沉积物去除方法,其可以有效地去除沉积物并且抑制对图案中的结构的二氧化硅的损伤,而不管蚀刻处理后的静置时间长短如何。 解决方案:通过蚀刻去除沉积在形成在衬底上的图案的表面上的沉积物的沉积物去除方法包括:氧等离子体处理步骤,在加热衬底的同时将衬底暴露于氧等离子体; 以及循环处理步骤,在氧等离子体处理步骤之后,在处理室中重复进行使基板暴露于氟化氢气体和醇气体的混合气体的第一周期的多个循环,以及 将醇气体的分压设定为第一分压,将处理室排气的第二时段和醇气体的分压设定为低于第一分压的第二分压。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Apparatus and method for processing surface of semiconductor substrate
    • 用于处理半导体衬底表面的装置和方法
    • JP2011124410A
    • 2011-06-23
    • JP2009281346
    • 2009-12-11
    • Toshiba Corp株式会社東芝
    • OGAWA YOSHIHIROKOIDE TATSUHIKOKIMURA SHINSUKETOMITA HIROSHIOGUCHI HISASHI
    • H01L21/304
    • H01L21/0206H01L21/02043H01L21/02211H01L21/31116H01L21/32135H01L21/67028
    • PROBLEM TO BE SOLVED: To provide an apparatus and a method for processing a surface of a semiconductor substrate capable of cleaning and drying the substrate as preventing occurrences of a pattern collapse and watermarks. SOLUTION: A method for processing the surface of a semiconductor substrate includes: approximately horizontally holding to rotate a semiconductor substrate W on which a plurality of convex shape patterns are formed on a substrate hold-rotating part 100; cleaning the surface of the semiconductor substrate W with the use of chemical solution; forming a water repellent protective film on the surface of the cleaned convex shape pattern with the use of a water repellent agent; giving the semiconductor substrate W a rinse with the use of acidic water or diluted alcohol after forming the water repellent protective film; and removing the water repellent protective film with leaving the convex shape pattern after drying the rinsed semiconductor substrate W. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于处理能够清洁和干燥衬底的半导体衬底的表面的装置和方法,以防止出现图案折叠和水印。 解决方案:一种用于处理半导体衬底的表面的方法包括:大致水平保持以在衬底保持转动部分100上旋转其上形成有多个凸形图案的半导体衬底W; 用化学溶液清洗半导体衬底W的表面; 通过使用防水剂在清洁的凸形图案的表面上形成防水保护膜; 在形成防水保护膜之后,使用酸性水或稀释的醇使半导体衬底W进行漂洗; 并在干燥漂洗后的半导体衬底W之后,留下凸形图案去除防水保护膜。版权所有(C)2011,JPO&INPIT
    • 8. 发明专利
    • Semiconductor manufacturing apparatus and method
    • 半导体制造设备和方法
    • JP2008305851A
    • 2008-12-18
    • JP2007149465
    • 2007-06-05
    • Toshiba Corp株式会社東芝
    • OGUCHI HISASHI
    • H01L21/306
    • H01L21/67086H01L21/67253H01L22/12H01L22/20Y10T29/41
    • PROBLEM TO BE SOLVED: To provide a semiconductor manufacturing apparatus and method capable of easily adjusting an H 3 PO 4 liquid which can provide a desired etching rate and a desired selection ratio to an oxide film. SOLUTION: The H 3 PO 4 processing apparatus 100 includes a processing tank 10 in which an H 3 PO 4 liquid for immersing a wafer is stored, a new liquid supply mechanism 15 for supplying a new H 3 PO 4 liquid to the processing tank 10, liquid discharging mechanisms 16 and 17 for discharging the H 3 PO 4 liquid from the processing tank 10, a data base 31 for storing a selection ratio to an oxide film and an etching rate to an accumulated SiN etching amount acquired previously, and a control unit 20 having a processing determination unit 34 for determining whether a desired etching rate and a desired selection ratio to the oxide film can be obtained when a wafer for the subsequent processing is processed with the present H 3 PO 4 liquid and a supply/discharge amount calculating unit 35 for calculating an H 3 PO 4 liquid discharge amount and a new H 3 PO 4 liquid supply amount when the determination of the processing determination unit 34 is "no" and an Si density in the present H 3 PO 4 liquid is required to be reduced. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供一种能够容易地调节可以提供期望的蚀刻速率和期望的蚀刻速率的H 3 SB 3 PO 4 SBS液体的半导体制造装置和方法, 与氧化膜的选择比。 解决方案:处理装置100包括处理槽10,其中H 3 SB <4> 储存用于浸渍晶片的液体/ SB>液体的新的液体供给机构15,用于向处理槽10供给新的H 3 SB 3 PO 3 SBS液体;液体排出机构16 和17,用于从处理槽10排出H 3 SB 3 PO 3 SBS液体;数据库31,用于存储与氧化膜的选择比和蚀刻速率到累积的 并且具有处理确定单元34的控制单元20,该处理确定单元34用于当用于后续处理的晶片被处理时,用于确定是否期望的蚀刻速率和期望的氧化膜选择比, SB> 3 4 液体,以及用于计算H 3 SB 3 PO 4 SB SB 4液体排出量的供给/排出量计算单元35 和新的H 3 PO 4 液体供应量 加工确定单元34的配位是“否”,并且需要减少本发明的H 3 SB 3 PO 4 SB 3液体中的Si密度。 版权所有(C)2009,JPO&INPIT