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    • 1. 发明专利
    • Sample introducing microdevice
    • 示例介绍MICRODEVICE
    • JP2008304376A
    • 2008-12-18
    • JP2007152931
    • 2007-06-08
    • Fuji Electric Systems Co LtdTokyo Metropolitan Univ公立大学法人首都大学東京富士電機システムズ株式会社
    • UCHIYAMA KAZUMINAKAGAMA TATSUROKIYONO NOBUKOSHINODA MASANORI
    • G01N35/10B01F5/00B01J19/00B81B3/00G01N37/00
    • PROBLEM TO BE SOLVED: To provide a sample introducing microdevice that reduces the amount of the sample remaining internally during stop of introduction, but also introduces only a necessary amount of the sample in necessary timing. SOLUTION: A fine channel 12a is formed on the inlet side of a pressurizing chamber 1a, a nozzle-shaped channel 14a having a capillary effect is formed on the outlet side of the pressurizing chamber 1a through a fine channel 13a, the fine channel 18a meeting with the nozzle-shaped channel 14a is formed at a confluent point 19a and the channel 25a branched from the nozzle-shaped channel 14a is formed at a branch point 38a. A common channel section 29a having a channel between the fine channels 18a and 25a is provided between the fine channel 18a and 25a and the nozzle-shaped channel 14a, the excessive sample supplied from a supply port 40a is discharged from a discharge port 27a and a mixed sample of the liquids respectively supplied from supply ports 7a and 40a is discharged by necessary amount from a nozzle orifice 30a in necessary timing. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种导入微型装置的样品,其减少了在引入停止期间内部保留的样品量,但是在必要的时间仅引入必要量的样品。 解决方案:在加压室1a的入口侧形成有细通道12a,通过细通道13a在加压室1a的出口侧形成具有毛细作用的喷嘴状通道14a, 在汇合点19a处形成与喷嘴状通道14a相接合的通道18a,并且在分支点38a处形成从喷嘴状通道14a分支的通道25a。 在细通道18a和25a之间具有通道的公共通道部分29a设置在细通道18a和25a与喷嘴状通道14a之间,从供给口40a供给的过量样品从排出口27a和 从供给口7a,40a分别供给的液体的混合样品在必要的时刻从喷嘴孔30a排出必要量。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Atomic light emission detector having coaxial plasma torch
    • 具有同轴等离子体转子的原子发光检测器
    • JP2007316030A
    • 2007-12-06
    • JP2006148816
    • 2006-05-29
    • Shimadzu CorpTokyo Metropolitan Univ公立大学法人首都大学東京株式会社島津製作所
    • UCHIYAMA KAZUMINAKAGAMA TATSURONAKAMURA KAORI
    • G01N21/73G01N30/74G01N30/88
    • PROBLEM TO BE SOLVED: To obtain an atomic light emission detector of small size for gas chromatography capable of stable plasma emission.
      SOLUTION: The plasma torch 10 of the atomic light emission detector comprises: the protection tube 12; the cylindrical high voltage electrode 16 arranged in the protection tube, covered by the insulation tube 15, and connected to the high voltage electric power source of radio frequency; the cylindrical grounded electrode tube 14 arranged coaxially out side of the insulation tube which is covering the high voltage electrode tube, covered with quartz discharge tube 13, longer than the high voltage electrode tube extending into the protection tube; and the capillary column 17 inserted into the high voltage electrode tube from the base to the inside extending and projecting to the other end and connected with the separation column of the gas chromatography. The plasma is made to generate between the tip part of the high voltage electrode tube and the end of the grounded electrode tube, and is made to excite the eluted gas sent from the gas chromatography for making light emission.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:获得能够稳定等离子体发射的气相色谱法的小尺寸原子发射检测器。 解决方案:原子发射检测器的等离子体焰炬10包括:保护管12; 安装在保护管中的圆柱形高压电极16被绝缘管15覆盖,并连接到射频高压电源; 该绝缘管的同轴外侧的筒状接地电极管14覆盖着被石英放电管13覆盖的高压电极管,其长度比延伸入保护管的高压电极管长; 毛细管柱17从基体向内部插入到高压电极管内延伸并突出到另一端,并与气相色谱的分离柱连接。 使等离子体在高压电极管的前端部和接地电极管的端部之间产生,并且使得从用于发光的气相色谱发送的洗脱气体激发。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Sample inlet microdevice
    • 样品入口MICRODEVICE
    • JP2005326392A
    • 2005-11-24
    • JP2004373603
    • 2004-12-24
    • Fuji Electric Systems Co LtdTama Tlo Kkタマティーエルオー株式会社富士電機システムズ株式会社
    • UCHIYAMA KAZUMINAKAGAMA TATSUROKIYONO NOBUKOSHINODA MASANORI
    • G01N35/08B01F5/00B01J19/00B81B3/00G01N35/10G01N37/00
    • PROBLEM TO BE SOLVED: To prevent sample temperatures from rising, secure operational reliability, and achieve application to expensive reagents by reducing the consumption of liquid, while maintaining compactness required by a sample inlet microdevice. SOLUTION: A first liquid, supplied from a supply opening 7 by the propagation of vibrations of a piezoelectric element 10 to a compression chamber 1, flows through a shared channel section 21 via a microchannel 4, the compression chamber 1, and a microchannel 5. A second liquid, supplied from a supply opening 22 reaches a shared channel start point 19 via a microchannel 18. At this time, the microchannel 18, through which the first liquid flows has a cross section smaller than that of the microchannel 5 and is connected to the microchannel 5 at an angle such that the first liquid, flowing toward a flow outlet 23, does not flow in it, so that the second flow is pulled by the force of flow of the first liquid, flows into the shared channel section 21, and flows in a laminar flow state with the first liquid. Both liquids flow through the shared channel section 21, in a state of laminar flow and flow out of the flow outlet 23 which is one of the exits. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了防止样品温度升高,确保操作可靠性,并且通过减少液体的消耗来实现对昂贵的试剂的应用,同时保持样品入口微型装置所需的紧凑性。 解决方案:通过将压电元件10的振动传播到压缩室1,从供给开口7供给的第一液体经由微通道4,压缩室1和 微通道5.从供应开口22供应的第二液体经由微通道18到达共用通道起始点19.此时,第一液体流过的微通道18的横截面小于微通道5的横截面 并且以与流出口23流动的第一液体不流入其中的角度连接到微通道5,使得第二流动被第一液体的流动拉动,流入共享 通道部分21,并且与第一液体以层流状态流动。 两种液体在层流状态下流过共享通道部分21并从作为出口之一的流出口23流出。 版权所有(C)2006,JPO&NCIPI