| 摘要 |
PROBLEM TO BE SOLVED: To provide a fine passage structure having a large adjustment width of the ratio of the amount between two different samples for mixing the structure itself. SOLUTION: This fine passage structure is equipped with a main passage substrate 20 having a main passage 21 having the width of several-tenμm to several mm, a sealing substrate 22 for sealing the main passage 21 by covering an upper part of the main passage 21, and a sub-passage structure 10 equipped with a sub-passage 11 inside. When the sub-passage structure 10 provided on the main passage substrate 20 and the sealing substrate 22, for example, which can be reciprocated in the direction crossing the main passage 21 in a cylindrical through hole and stopped at an optional position, is stopped on a position shown by figure 2(a), the second sample 101 flows out into the first sample 100 flowing in the main passage 21. When the position where the sub-passage structure 10 is stopped is changed, the flow of the first sample 100 is interrupted partially or wholly. COPYRIGHT: (C)2006,JPO&NCIPI
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