An infrared-sensitive photosensitive composition comprising (A) an alkali-soluble
resin containing a repeating unit having an alkylene oxide group, and (B) a light-to-heat
converting agent; and
- an infrared-sensitive photosensitive composition comprising (A)
a polyurethane resin having a specific diol as a constituent, (B) a light-to-heat
converting agent, and (C) a novolak resin.
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