Patent ID: 8771612

Claim:
A photoresponsive gas-generating material in a micropump of a microfluid device having a fine channel formed in a substrate, comprising: at least one photo-sensitive base-generating agent (A) selected from the group consisting of cobalt amine complexes, o-nitrobenzyl carbamate, oxime esters, carbamoyloxy imino group-containing compounds capable of generating an amine in response to light irradiation and represented by formula (1): wherein R 1 represents an n-valent organic group; R 2 and R 3 individually represent a hydrogen, an aromatic group, or an aliphatic group, and may be the same as or different from each other; and n is an integer of 1 or more, and salts of carboxylic acids (al) represented by formula (2) and basic compounds (a2); and a base multiplier (B)