Micro fluidic device for controlling flow time of micro fluid

Details Micro fluidic device for controlling flow time of micro fluid Micro fluidic device for controlling flow time of micro fluid

2005-06-07

2005-06-07

Chambers, A. Michael (Department: 3753)

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Structure of body of device

C137S806000, C251S368000, C604S201000

Reexamination Certificate

active

06901963

ABSTRACT:
Provided is a micro fluidic device that can control a flow time of micro fluid by using a capillary phenomenon. The micro fluidic device includes: a flow channel for flowing fluid, the flow channel being formed between a top substrate and a bottom substrate or between a top substrate, a bottom substrate, and a middle substrate; a flow blocking surface for stopping a flow of the fluid in the flow channel temporarily; and a hump for delaying the flow formed in the line of continuity with the flow blocking surface. The micro fluidic device of the present research can control the flow time in a simple manner.

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patent: 4676274 (1987-06-01), Brown
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patent: 6296020 (2001-10-01), McNeely et al.
patent: 6676835 (2004-01-01), O'Connor et al.
Jr-Hung Tsai, et al., Active microfluidic mixer and gas bubble filter driven by thermal bubble micropump, Sensors and Actuators A 97-98, 2002, pp. 665-671.
J. Kohnle, et al., A Unique Solution for Preventing Clogging of Flow Channels by Gas Bubbles, IEEE, 2002 pp. 77-80.

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