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    RHEOMETER FOR RAPID MEASUREMENT OF SMALL QUANTITY OF SAMPLE
    1.
    发明专利
    RHEOMETER FOR RAPID MEASUREMENT OF SMALL QUANTITY OF SAMPLE 审中-公开

    公开(公告)号：JP2002082043A

    公开(公告)日：2002-03-22

    申请号：JP2001235427

    申请日：2001-08-02

    Applicant: SYMYX TECHNOLOGIES INC

    Inventor： HAJDUK DAMIAN ,  CARLSON ERIC ,  SRINIVASAN RAVI

    IPC: G01N19/00 ,  G01L1/16 ,  G01L1/24 ,  G01N3/02 ,  G01N3/24 ,  G01N11/14 ,  G01N11/16

    Abstract: PROBLEM TO BE SOLVED: To provide a small rheometer or the like capable of taking reliable measurements of a plurality of small quantities of samples in a short time. SOLUTION: The small rheometer includes a first substrate 100 and a second substrate 102 which form a pair of substrates each having a predetermined shape for retaining between the substrates a sample having a volume of not more than 200 μL, and an adjustment device for adjusting the interval between the substrates. The small rheometer causes shear strains within the sample by actuating the first substrate 100 and the second substrate 102 on a predetermined microscopic scale by means of a driving element 104 mechanically coupled to the first substrate 100. The small rheometer further includes a detection element outputting a position signal indicative of the displacement of at least one of the first and second substrates 100 and 102, and a feedback circuit which provides, based on the position signal, dynamic re-equilibrium about the force applied to the sample by the operation of the first and second substrates 100 and 102 on the microscopic scale.

    3.
    发明专利
    未知

    公开(公告)号：DE60105717T2

    公开(公告)日：2005-10-06

    申请号：DE60105717

    申请日：2001-07-24

    Applicant: SYMYX TECHNOLOGIES INC

    Inventor： SRINIVASAN RAVI ,  PINKAS DANIEL MERON ,  GUAN SHENHEN ,  MYSLOVATY MICHAEL ,  SPITKOVSKY MICHAEL ,  ENGSTROM JAMES R ,  BERGH H SAM

    IPC: B01J19/00 ,  G01N30/18 ,  G01N30/30 ,  G01N30/46 ,  G01N30/60 ,  G01N30/66 ,  G01N30/86 ,  G01N30/88

    Abstract: Gas chromatographs of the invention generally comprise four or more analysis channels. Specifically, four or more gas chromatography columns are configured for parallel analysis of four or more gaseous samples with detection being effected using a microdetector array comprising four or more microdetectors. In one embodiment, the four or more microdetectors 510 are microfabricated detectors, and are integrally formed with a substrate or with one or more microchip bodies mounted on a substrate. In a preferred embodiment, a microdetector array comprises four or more thermal conductivity detectors having one or more thin-film detection filaments. A preferred heated environment for highly parallel gas chromatographs is also disclosed.

    5.
    发明专利
    未知

    公开(公告)号：AT277348T

    公开(公告)日：2004-10-15

    申请号：AT01117934

    申请日：2001-07-24

    Applicant: SYMYX TECHNOLOGIES INC

    Inventor： SRINIVASAN RAVI ,  PINKAS DANIEL MERON ,  GUAN SHENHEN ,  MYSLOVATY MICHAEL ,  SPITKOVSKY MICHAEL ,  ENGSTROM JAMES R ,  BERGH H SAM

    IPC: B01J19/00 ,  G01N30/18 ,  G01N30/30 ,  G01N30/46 ,  G01N30/60 ,  G01N30/66 ,  G01N30/86 ,  G01N30/88

    Abstract: Gas chromatographs of the invention generally comprise four or more analysis channels. Specifically, four or more gas chromatography columns are configured for parallel analysis of four or more gaseous samples with detection being effected using a microdetector array comprising four or more microdetectors. In one embodiment, the four or more microdetectors 510 are microfabricated detectors, and are integrally formed with a substrate or with one or more microchip bodies mounted on a substrate. In a preferred embodiment, a microdetector array comprises four or more thermal conductivity detectors having one or more thin-film detection filaments. A preferred heated environment for highly parallel gas chromatographs is also disclosed.

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