To initiate polymerization, active species produced by decomposition of an initiator by heat or photo irradiation are required. FUJIFILM Wako have been developing azo polymerization initiators for many years, and deal with azo polymerization initiators that are classified by types of reactions and reaction temperatures.
Our company's WPAG series of products, which generate acid when exposed to light, have demonstrated high performances in resist manufacturing. The WPBG series, which generate strong bases when exposed to light, are also suitable for the purpose of avoiding metal corrosion. Photoinitiators works well under a specific wavelength of light. For more information on the characteristics, please contact us.
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