Micropump, micropump unit including the micropump, sample...

Details Micropump, micropump unit including the micropump, sample... Micropump, micropump unit including the micropump, sample...

2003-12-15

2010-02-09

Siefke, Sam P (Department: 1797)

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

C422S091000, C422S105000, C422S105000

Reexamination Certificate

active

07658885

ABSTRACT:
The present invention relates to a device which is to be utilized at the time of observation of a mixed state or a chemically-combined state of a mixture attained by mixing together trace amounts of gases or trace amounts of liquids or mixing a trace amount of a gas with a trace amount of liquid. A micropump1comprises a pump structural material having a reaction chamber formed therein; a reaction agent4which is housed in a reaction chamber6and produces a gas of predetermined pressure; reaction initiation means5which is disposed beside the reaction agent and causes the reaction agent to produce a gas; and a channel7which is provided in the pump structural material and guides the gas of predetermined pressure produced by the reaction agent from the reaction chamber to an outlet port. The pump structural material and the reaction initiation means are stacked one on top of the other.

REFERENCES:
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patent: 0032972 (2000-06-01), None
European Search Report dated Feb. 21, 2005.
Patent Abstracts of Japan, vol. 1997, No. 3, Mar. 31, 1997.
S. Bohm, et al., “An Integrated Micromachined Electrochemical Pump and Dosing System,” Biomedical Microdevices, vol. 1, No. 2, XP002315583, pp. 121-130, 1999.

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