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    • 2. 发明专利
    • Storage monitoring and evaluation method for non-condensable gas
    • 不可冷凝气体的储存监测和评估方法
    • JP2008122420A
    • 2008-05-29
    • JP2008034967
    • 2008-02-15
    • Toshiba Corp株式会社東芝
    • IWATA KIYOSHISHIDA AKIRAICHIKAWA NAGAYOSHISASAYAMA TAKAOHIRAYAMA HIROSHINAKADA KOTAROMURAKAMI KAZUO
    • G21C17/02G21C17/00
    • PROBLEM TO BE SOLVED: To surely prevent damage by quickly and efficiently monitoring the gas storage of non-condensable gas in a gas storage enabling portion to evaluate the risk.
      SOLUTION: According to this storage monitoring and evaluation method for non-condensable gas, an evaluation determination table for evaluating the gas storage possibility of non-condensable gas or an evaluation determination formula is previously created by theoretical analysis and experiments from the shape of a fluid pipe, the bore diameter ratio of a branch pipe and a master pipe, the ratio of the bore diameter of the branch pipe to the branch length, and the physical quantity of Re number, and the physical quantity of the fluid pipe of the gas storage possible portion 54 having the possibility of gas storage of non-condensable gas is measured to determine the possibility of gas storage of non-condensable gas and the non-condensable gas storage quantity in the gas storage possible portion 54.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过快速有效地监测气体存储使能部分中不可冷凝气体的气体储存来评估风险,确保防止损坏。

      解决方案:根据该不凝气体的存储监视和评估方法,通过理论分析和实验从形状预先产生用于评价不可冷凝气体的气体存储可能性的评价判定表或评价判定式 流体管的直径比,分支管和主管的孔径比,分支管的孔径与分支长度的比值以及Re数的物理量以及流体管的物理量 测量具有气体储存不可冷凝气体的可能性的气体存储可能部分54,以确定不可冷凝气体的气体储存和不可冷凝气体储存量在气体存储可能部分54中的可能性。 版权所有(C)2008,JPO&INPIT

    • 3. 发明专利
    • Semiconductor device
    • 半导体器件
    • JP2007067069A
    • 2007-03-15
    • JP2005249440
    • 2005-08-30
    • Toshiba Corp株式会社東芝
    • USUI TAKAMASASHIBATA HIDEKIMUROFUSHI TADASHIJINBO MASAKAZUHIRAYAMA HIROSHI
    • H01L21/3205H01L21/768H01L23/52H01L23/522
    • PROBLEM TO BE SOLVED: To provide a semiconductor device which has a reliable multilayer wiring structure using an interlayer insulating film with high void ratio. SOLUTION: The multilayer wiring structure comprises a lower wiring layer which has an interlayer film with 50% or more of void ratio, and an upper wiring layer with low void ratio. In the structure, the upper wiring layer with low void ratio having an interlayer film with much thickness is supported by stacked vias 70 which are formed via wiring layers so as to connect the wiring layers perpendicularly, and continuously to the substrate surface and by a perimeter ring 80 provided in a chip peripheral part. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种使用具有高空隙率的层间绝缘膜具有可靠的多层布线结构的半导体器件。 解决方案:多层布线结构包括具有50%以上空隙率的中间膜的下布线层和低空隙率的上布线层。 在该结构中,具有厚度较厚的中间膜的具有低空隙率的上布线层由堆叠的通孔70支撑,该通孔70经由布线层形成,以便将布线层垂直地连接到基板表面和周边 环80设置在芯片周边部分中。 版权所有(C)2007,JPO&INPIT
    • 4. 发明专利
    • LOOP TYPE FAST BREEDER REACTOR
    • JPH09329680A
    • 1997-12-22
    • JP14699896
    • 1996-06-10
    • TOSHIBA CORP
    • MARUYAMA SHIGEKIJINBO MASAKAZUKIMURA KIMITAKAOGURA KENJIHIRAYAMA HIROSHIABE HIROAKI
    • G21C1/02
    • PROBLEM TO BE SOLVED: To provide a loop type fast breeder reactor which reduces the mass of the structure members, shield, etc., reduces the cost and is superior in structural integrity and prevention of dragging-in of cover gas. SOLUTION: A cooling system vessel 25 containing a liquid metal coolant and cover gas inside and a cooling system vessel deck 26 to cover the upper surface of the cooling system vessel 25 are provided. An intermediate heat exchanger 11 having a multitude of heat conduction tubes and primary main circulation pump 15 are placed by penetrating the cooling system vessel deck 26 and inserting into the coolant in the cooling system vessel 25. Penetrating the cooling system vessel deck 25, a hot leg pipe 19 and a cold leg pipe 21 are placed. The hot leg pipe 19 is connected to the primary inlet of the intermediate heat exchanger 11 and the upper plenum of the reactor vessel 1 and the cold leg pipe 21 is connected to the lower plenum of the reactor vessel 1 and the suction side of the primary main circulation pump 15. In this manner, structure mass such as shield body and the like accompanying the placement of the hot leg pipe 19 and the cold leg pipe 21 for ensuring maintainability can be reduced.
    • 5. 发明专利
    • BASE ISOLATION DEVICE AND ARRANGING METHOD THEREFOR
    • JPH09144808A
    • 1997-06-03
    • JP30398895
    • 1995-11-22
    • TOSHIBA CORP
    • JINBO MASAKAZUHIRAYAMA HIROSHIFUJIMOTO SHIGERU
    • E04H9/02E04F15/18F16F15/04
    • PROBLEM TO BE SOLVED: To integrally and simultaneously perform horizontal base isolation and vertical base isolation without using a rocking preventing mechanism and provide higher rigidity against rocking vibration of a building. SOLUTION: A horizontal base isolation part 14 wherein a plurality of rubber plates 12 and steel plates 13 are alternately laminated is placed on a foundation plate 11. A thick steel plate 15 is arranged at the horizontal base isolation part 14 and an inner cylinder body 16 is mounted on the outer peripheral surface of the thick steel plate 15. A vertical base isolation part 19 wherein a plurality of annular rubber plates 17 and annular steel plates 18 are arranged is disposed outside the inner cylinder body 16. An outer thick cylinder body 20 is arranged outside the vertical base isolation part 19 and a load support plate 21 is mounted on the upper surface of the outer thick cylinder body 20. A closed space 21 is formed between the load support plate 21 and the thick steel plate 15, the closed space 22 is filled with compression gas and sealed to form a compression gas chamber to constitute the horizontal and vertical integral isolation device. A part or a whole of a vertical load applied on the load support plate 21 is supported by means of a gas pressure in the compression gas chamber.
    • 7. 发明专利
    • CONTROL ROD DEVICE FOR FAST BREEDER
    • JPH04215098A
    • 1992-08-05
    • JP40173690
    • 1990-12-12
    • TOSHIBA CORP
    • HIRAYAMA HIROSHI
    • G21C7/16
    • PURPOSE:To sharply simplify upper structure of a reactor by driving and controlling a control rod by means of a balance between buoyancy and a flow rate of a coolant flowing down through a control rod guide pipe. CONSTITUTION:Since lithium 23 wrapped with a control rod 15 has a specific weight smaller than that of a coolant, when a flow rate of a coolant flowing down through an inner pipe 16b is low, the control rod 15 is positioned at the upper end of the inner pipe 16b and brought into an inserted state. When a reactor is started, a coolant pressurized with the aid of a pump is guided from a high pressure plenum 18 through a feed reactor 19 to the upper end of the inner pipe 16b, flows down through the inner pipe 16b, and discharged through a drain flow passage 20 to a low pressure plenum 21. In which case, the control rod 15 is pressed downward and flows down through the inner pipe 16b and brought into a pull-off state. As noted above, insertion and pull-off of the control rod 15 in and from a core are controlled by means of a balance between buoyancy and a flow rate of a coolant flowing down through the inner pipe 16b.
    • 8. 发明专利
    • HEAT PROTECTING DEVICE
    • JPH01260397A
    • 1989-10-17
    • JP8807888
    • 1988-04-12
    • TOSHIBA CORP
    • HIRAYAMA HIROSHI
    • G12B17/06G21C11/08
    • PURPOSE:To protect member to be protected from the heat of sodium by sheathing a projecting end part of fixed fittings projecting toward the liquid contact surface side of a heat shielding plate with a sheathing member and setting the projecting end part so as not to directly bring it into contact with liquid sodium. CONSTITUTION:A heat shielding plate 13 is fixed on the liquid contact face 11a of a member 11 to be protected of a structure and the like by stud bolts 14 of a plurality of fixing fittings at fixed intervals 12 and the member 11 is sheathed. The periphery of the head part 14a of a stud bolt 14 projected in the side of flowing sodium 17 from the liquid contact face of the heat shielding plate 13 is coaxially sheathed with noncontact by a cap 18 which is a sheathing member. Thus heat follow-up of the stud bolt 14 for the flowing sodium 17 can be reduced, as the result heat stress of the member 11 can be lowered and the improvement of the heat protection effect in which the member 11 is protected from the heat of the flowing sodium 17 can be planned.