CAMTECH PCB Exposure of PCB

Описание

Exposure of PCB

The purpose of the circuit board exposure: through ultraviolet light irradiation and phenanthrene block, the transparent place of the film and the dry film undergo optical polymerization reaction, that is, under ultraviolet light irradiation, the photoinitiator absorbs the light energy and decomposes into free radicals, and the free radicals initiate light again. The polymerized monomer undergoes polymerization and cross-linking reaction, and forms a macromolecular structure insoluble in dilute alkali solution after the reaction.

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