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    • 1. 发明专利
    • Semiconductor device and its manufacturing method
    • 半导体器件及其制造方法
    • JP2008078248A
    • 2008-04-03
    • JP2006253569
    • 2006-09-19
    • Fujitsu LtdTokyo Institute Of Technology国立大学法人東京工業大学富士通株式会社
    • SUSIL KUMAR SINGHISHIHARA HIROSHIMARUYAMA KENJIKONDO MASAO
    • H01L21/8246C01G49/00H01L27/105
    • PROBLEM TO BE SOLVED: To provide a semiconductor device with which a high remaining polarization amount can be obtained while obtaining satisfactory electric characteristics, and to provide a manufacturing method thereof.
      SOLUTION: A ferroelectric capacitor 5 is formed on an insulating film 1 formed on or above a silicone substrate. A lower electrode 2 formed on the insulating film 1, a capacitance insulating film 3 formed on it and an upper electrode 4 formed on it are arranged on the ferroelectric capacitor 5. A BiFe
      1-X Cr
      X O
      3 film is formed as the capacitance insulating film 3. The BiFe
      1-X Cr
      X O
      3 film is mainly composed of BiFeO
      3 , and the content of Cr is 8 mol% or below, or it is preferably 3 to 8 mol%. Namely, Cr of 0.08 mol or below, or preferably 0.03 to 0.08 mol is contained in BiFe
      1-X Cr
      X O
      3 of 1 mol. In the ferroelectric capacitor of such a structure, leakage current I
      leak can be suppressed to be low while the high remaining polarization amount Pr is obtained.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够获得令人满意的电特性的同时可获得高剩余极化量的半导体器件,并提供其制造方法。 解决方案:在硅树脂基板上形成的绝缘膜1上形成铁电电容器5。 形成在绝缘膜1上的下电极2,形成在其上的电容绝缘膜3和形成在其上的上电极4被布置在铁电电容器5上.BiFe 1-X 形成作为电容绝缘膜3的“X”<! - SIPO - > SB 3 。 3 膜主要由BiFeO 3 SB组成,Cr的含量为8mol%以下,优选为3〜8mol%。 即,在1摩尔的BiFe 1-X X O 3 中含有0.08摩尔或更低的Cr,优选0.03至0.08摩尔的Cr 。 在这样一种结构的铁电电容器中,可以将高电流剩余极化量Pr得到的泄漏电流I 泄漏抑制得较低。 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Semiconductor device and its manufacturing method
    • 半导体器件及其制造方法
    • JP2008251907A
    • 2008-10-16
    • JP2007092413
    • 2007-03-30
    • Fujitsu LtdTokyo Institute Of Technology国立大学法人東京工業大学富士通株式会社
    • SUSIL KUMAR SINGHISHIHARA HIROSHIMARUYAMA KENJIKONDO MASAO
    • H01L21/8246H01L21/314H01L27/105
    • PROBLEM TO BE SOLVED: To provide a semiconductor device which can provide favorable electric characteristics and a high remnant polarization quantity, and its manufacturing method.
      SOLUTION: A ferroelectric capacitor 5 is formed on an insulating film 1 formed on or above a silicon substrate or the like. In the ferroelectric capacitor 5, a lower electrode 2 formed on the insulating film 1, a capacitance insulating film 3 formed thereon, and an upper electrode 4 formed thereon are provided. As the capacitance insulating film 3, a Bi
      1-Y La
      Y Fe
      1-X Ni
      X O
      3 film is formed. The Bi
      1-Y La
      Y Fe
      1-X Ni
      X O
      3 film is a film composed mainly of BiFeO
      3 , and has a La content of 4 mol% to 21 mol%, and a Ni content of >0 mol% and ≤15 mol%. The ferroelectric capacitor having such a structure can provide a high remnant polarization quantity Pr, and simultaneously suppress the leak current I
      leak low.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供可以提供有利的电特性和高残留极化量的半导体器件及其制造方法。 解决方案:在形成在硅衬底等上或上方的绝缘膜1上形成铁电电容器5。 在铁电电容器5中,设置形成在绝缘膜1上的下部电极2,形成在其上的电容绝缘膜3和形成在其上的上部电极4。 作为电容绝缘膜3,将Bi 1-Y Y Fe 1-X 形成SB> 3 膜。 Bi 1-Y&lt; SB&gt; Y&lt; SB&gt; 1&lt; SB 1-X&lt; SB&gt; 膜是主要由BiFeO 3 SB组成的膜,La含量为4mol%〜21mol%,Ni含量> 0mol%,≤15mol%。 具有这种结构的铁电电容器可以提供高残留极化量Pr,同时将泄漏电流I 泄漏低。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • 電子機器冷却システム
    • 电子设备冷却系统
    • JP2014203321A
    • 2014-10-27
    • JP2013080182
    • 2013-04-08
    • 富士通株式会社Fujitsu Ltd
    • OGAWA MASATOSHIENDO HIROSHIFUKUDA HIROYUKIKONDO MASAO
    • G06F1/20G06F1/32H05K7/20
    • Y02D10/16
    • 【課題】電子機器を適切に冷却しつつ、冷却設備で消費する電力をより一層削減できる電子機器冷却システムを提供する。【解決手段】電子機器冷却システムは、筐体13と、筐体13内に収納された複数の電子機器13aと、複数の冷却ファン12aを備え、筐体13から離隔して配置された冷却ファンユニット12と、筐体13と冷却ファンユニット12との間に配置され、上下方向に移動して筐体13と冷却ファンユニット12との間の空間を2つに分割する可動板16と、可動板16を駆動する可動板駆動部と、制御部とを有する。制御部は、冷却ファンユニット12の各冷却ファン12aを個別に制御可能であり、電子機器13aの稼働率に応じて可動板駆動部34を制御する。【選択図】図1
    • 要解决的问题:提供一种电子装置冷却系统,其能够适当地冷却电子设备时能够降低由冷却设备消耗的电力。解决方案:电子设备冷却系统包括:壳体13; 存储在壳体13中的多个电子装置13a; 冷却风扇单元12,其具有多个冷却风扇12a并且布置成与壳体13一段距离; 布置在壳体13和冷却风扇单元12之间的可移动板16,并且垂直移动以将壳体13和冷却风扇单元12之间的空间分成两部分; 可移动板驱动单元,其驱动可动板16; 和控制单元。 控制单元可以单独地控制冷却风扇单元12中的冷却风扇12a,并且根据电子设备13a的操作速率来控制可动板驱动单元34。
    • 9. 发明专利
    • Control device, control method and storage device
    • 控制装置,控制方法和存储装置
    • JP2008112515A
    • 2008-05-15
    • JP2006295375
    • 2006-10-31
    • Fujitsu Ltd富士通株式会社
    • MITSUNAGA NOBUYUKIKANEE MASAHIDETANAKA HIROYUKITOMITA ISAMUKONDO MASAO
    • G11B21/21G11B5/31
    • G11B19/041G11B5/6005G11B5/6064
    • PROBLEM TO BE SOLVED: To provide a control device for setting the optimal heater control value, which is corresponding to fluctuation caused by head, temperature and a radial position and is improved in characteristic deterioration caused by thermal expansion due to a writing current just after starting the writing, by a correction processing. SOLUTION: A clearance control part 48 performs pre-heating by using an addition control value (B+R) of a base heater control value B and a regulation heater control value R and performs writing by using only the base heater control value B when reaching a target sector upon recording. The clearance control part 48 performs pre-heating by using the addition control value (B+R) and performs reading keeping the addition control value (B+R) when reaching a target sector upon reproduction. A correction processing part 46 detects touchdown of the head on a medium surface while increasing the regulation heater control value R stepwise from a prescribed initial value Ro, sets a value obtained by subtracting a heater control value Sp into which the minimum clearance is converted and the initial value Ro from a touch heater control value Rtd as the base heater control value B and sets the initial value Ro as the regulation heater control value R. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种控制装置,用于设定对应于由头部,温度和径向位置引起的波动的最佳加热器控制值,并且由于写入电流引起的热膨胀引起的特性劣化得到改善 刚开始写作后,通过校正处理。 解决方案:间隙控制部分48通过使用基础加热器控制值B和调节加热器控制值R的相加控制值(B + R)来执行预热,并且仅使用基座加热器控制值进行写入 B在录制时到达目标扇区。 间隙控制部分48通过使用相加控制值(B + R)执行预热,并且在再现时到达目标扇区时执行保持加法控制值(B + R)的读取。 校正处理部分46在从规定的初始值Ro逐步增加调节加热器控制值R的同时,检测中间表面上的头部的触地,设定通过减去最小间隙被转换成的加热器控制值Sp而获得的值,以及 作为基准加热器控制值B的来自接触加热器控制值Rtd的初始值Ro设定初始值Ro作为调节加热器控制值R.版权所有:(C)2008,JPO&INPIT
    • 10. 发明专利
    • Magnetic spacing control method of magnetic head, read/write circuit and magnetic disk device using it
    • 磁头磁极间距控制方法,读/写电路和使用其的磁性磁盘装置
    • JP2007273024A
    • 2007-10-18
    • JP2006098953
    • 2006-03-31
    • Fujitsu Ltd富士通株式会社
    • KONDO MASAO
    • G11B21/21G11B5/31
    • G11B5/582G11B5/6005G11B5/6064
    • PROBLEM TO BE SOLVED: To prevent deterioration in an overwrite characteristic independently of environment conditions and variation in heads, in a magnetic disk device in which the magnetic head is projected by a write-current given to a write-element, while projection quantity is controlled by a heating element provided at the magnetic head.
      SOLUTION: During read-operation, electric power of sum of a first electric power value P2 and a second electric power value P1 is supplied to a heating element (36) of the magnetic head (3), during write-operation by a write-element (3-1) of the magnetic head (3), electric power of the first electric power value P2 is supplied to the heating element (36), also the write-element (3-1) is driven by write-electric-power. Control of variation in respective heads and projection in accordance with change in environment can be performed by the first electric power value, the overwrite characteristic is improved, while a read-characteristic can be improved.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了防止在磁头通过写入元件的写入电流投影磁头的磁盘装置中,独立于环境条件和磁头的变化而改变重写特性的劣化,同时投影 数量由设置在磁头处的加热元件控制。 解决方案:在读取操作期间,在写入操作期间,第一电力值P2和第二电力值P1之和的电力被提供给磁头(3)的加热元件(36) 磁头(3)的写入元件(3-1),第一电力值P2的电力被供给到加热元件(36),写入元件(3-1)也由写入 - 电动动力。 可以通过第一电力值来执行根据环境变化的各个磁头和投影的变化的控制,改进重写特性,同时可以提高读取特性。 版权所有(C)2008,JPO&INPIT