The CTP plates currently used generally come in two forms: photosensitive and thermal. Among them, the photosensitive type can be divided into silver salt plate (including composite type and diffusion type) and non-silver salt plate (including photopolymerization type and photodecomposition type); the heat sensitive type can be divided into thermal dissolution type, thermal crosslinking type, thermal Ablation type (removal type) and phase change type.
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