| 摘要 |
<P>PROBLEM TO BE SOLVED: To enhance protection performance and sealability of a liquid contact face of an adhesive, when bonding a plurality of members arranged highly densely with fine flow channel structure. Ž<P>SOLUTION: This bonding structure for a liquid flow channel formed with the fine flow channel structure by bonding a plurality of substrates includes a liquid-proof film applied part formed by applying a liquid-proof film agent having liquid-proofness against a liquid flowing in a flow channel formed by joining the substrates, to coat the adhesive exposed in a flow channel inside, in a junction part of the substrates, when bonding the plurality of substrates with the adhesive, and a liquid-repellent portion provided in a boundary portion between the liquid-proof film applied part, and a nonapplied part not applied with the liquid-proof film agent, in the flow channel inside, and having liquid repellency against the liquid-proof film agent, and the problem to be solved is solved by providing the bonding structure for the liquid flow channel. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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