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    • 4. 发明专利
    • METHOD AND DEVICE FOR PRODUCING PURE WATER
    • JPH10180254A
    • 1998-07-07
    • JP34375496
    • 1996-12-24
    • NOMURA MICRO SCIENCE KKNIPPON OXYGEN CO LTD
    • SUGIYAMA ISAMUISHIHARA YOSHIOYONEKAWA NAOMICHIAIKAWA REIKOKOJIMA SENRI
    • C02F1/44C02F1/32C02F1/42
    • PROBLEM TO BE SOLVED: To suppress variation of a transmitted water quantity due to variation of water temp. by measuring a flow rate of water to be treated and controlling pressure pressurized to the water to be treated to increase or decrease the flow rate of the water to be treated, in a filtering operation performed by feeding the water to be treated to a reverse osmotic membrane device or an ultrafiltration membrane device under pressure. SOLUTION: Raw water stored in a first storage tank 1 is pressurized with a first alternate current pump 2, produced pure water via the reverse osmotic membrane device 3, a vacuum deaeration tower 6, an U.V. irradiation device 7, and an ion- exchange device 8, and then is stored in a second storage tank 9. Next, the pure water is fed to a use point 18 by second alternate current pump 3 via an U.V. irradiation device 15, an ion-exchange device 16, and an ultrafiltration device 17. At this time, a flow rate signal of a first flow rate meter 4 is fed to a first inverter control device 5 and a revolution number of the alternate current pump 2 is controlled to become a flow rate in accordance with a necessary quantity, and to become a flow rate in accordance with a use quantity at a use point 18 by a water level meter 11 at the water storage tank 9 while a revolution number of the second pump 13 is made constant.
    • 5. 发明专利
    • SAMPLE CASE FOR ANALYSIS
    • JP2000039410A
    • 2000-02-08
    • JP25334698
    • 1998-07-17
    • PYUAREKKUSU KKNOMURA MICRO SCIENCE KK
    • MURAOKA HISASHINOZAKI TADASHIIIDA MITSUOOTA YOSHIHARUSUGIYAMA ISAMU
    • G01N23/221H01J37/20H01L21/673H01L21/68
    • PROBLEM TO BE SOLVED: To securely eliminate the degree of risk of organic contamination from environment from an analysis sample by allowing the top flat surface of a dish-shaped body for accepting the analysis sample and aluminum foil for covering a cover chip to adhere to the outer surface of the dish-shaped body. SOLUTION: A recess 13 surrounded by a side wall 12 of a dish-shaped body 10 is at a depth where the upper surface is nearly as high as an upper surface 14 of the side wall top part of the dish-shaped body 10 when two overlapped chips are loaded. The sample case consists of the dish-shaped body 10, aluminum foil 21 for covering the upper surface 14 and the side surface, and a rubber ring 22 for clamping it to the side surface of the dish-shaped body 10. In this case, a sample chip 19 is placed in the recess 13 while a surface to be analyzed of the sample chip 19 faces upward and a cover chip 20 is overlapped. Further, the circular aluminum foil 21 is overlapped onto the dish-shaped body 10 while both centers nearly match. Then, a rubber ring 22 is fixed to a groove 15 at the outer periphery of the dish-shaped body 10, the aluminum foil 21 is clamped to the outer periphery of the dish-shaped body 10, and the overlapping chips 19 and 20 are accommodated airtightly between the aluminum foil 21 and the dish-shaped body 10.
    • 8. 发明专利
    • TREATMENT APPARATUS
    • JPH11191548A
    • 1999-07-13
    • JP35966197
    • 1997-12-26
    • NOMURA MICRO SCIENCE KKNISSO ENGINEERING KK
    • OTA YOSHIHARUSUGIYAMA ISAMUYONETANI AKIRA
    • B08B15/02B08B3/08H01L21/304
    • PROBLEM TO BE SOLVED: To obtain a treatment apparatus which prevents an atmosphere inside a clean draft from being contaminated with various generated gases, by a method wherein a substrate which is immersed in an immersion tank is housed so as to be exposed through a second opening which can be brought into close contact with a first opening, and an enclosure which is provided with a circulation pipe into which a gas is made to flow is arranged and installed in a region in which the substrate is housed. SOLUTION: An air which is highly purified is introduced from a ventilation pipe 19, and it is always sucked from a ventilation pipe 20. When an enclosure 13 and an enclosure 15 are united, a cleaning solution (an aqueous cleaning solution composed of ammonium hydroxide and of hydrogen peroxide) is introduced into an immersion tank 11. After a silicon wafer 9 is cleaned, the cleaning solution is discharged from the same conveyance system. As a result, an atmosphere in an environment in which a treatment apparatus is arranged and installed is not contaminated with ammonia when the silicon wafer 9 is cleaned. In this execution state, a shielding plate 36 and a shielding plate 37 which can be opened and shut are installed at an opening 16 of the enclosure 13 and at an opening 17 of the enclosure 15. As a result, the productivity and the economy of the silicon wafer 9 can be enhanced.