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Title:
METHOD AND SYSTEM FOR FLUID CONTROL IN MICROFLUIDICS DEVICE
Document Type and Number:
Japanese Patent JP2009019776
Kind Code:
A
Abstract:

To provide a valve which is used for a microfluidics system.

A valve 50 includes a substrate defining an upstream channel 52 and a downstream channel 54 jointed by a conduit defined by a first opposed wall 74 disposed at an angle to the central axis 60 of the upper channel 52. At least a portion of a thermally responsive substance 56 obstructs the conduit by abutment with the first opposed wall 74. A channel is opened by inclusion of a portion of the thermally responsive substance in a reservoir 55 adjacent to the channel.


Inventors:
Parunak, Gene
Application Number:
JP2008000223484
Publication Date:
January 29, 2009
Filing Date:
September 01, 2008
Export Citation:
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Assignee:
HANDYLAB INC
International Classes:
B81B5/00; F16K31/68; B01L3/00; F04B19/00; F04B19/24; F15C3/00; F15C5/00; F16K13/10; F16K17/38; F16K49/00; F16K99/00; G01N1/28; B01L7/00; B81B1/00
Domestic Patent References:
JP2001509437A2001-07-24
JPH01154460A1989-06-16
JPH07332219A1995-12-22
JP2001523341A2001-11-20
JP2000201681A2000-07-25
JP2003536058A2003-12-02
JP2000515630A2000-11-21
JP2003530566A2003-10-14
JPH08327597A1996-12-13
Foreign References:
US6102897A2000-08-15
WO1999012016A11999-03-11
US5863801A1999-01-26
US6001231A1999-12-14
US6274089B12001-08-14
US6084734A2000-07-04
US6057149A2000-05-02
US6130098A2000-10-10
Attorney, Agent or Firm:
社本 一夫
増井 忠弐
小林 泰
千葉 昭男
富田 博行
大塚 住江