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[Analysis Case] Analysis of Paper Coated with Dyes and Pigments

Visualization of molecular information derived from dyes and pigments is possible using TOF-SIMS.

Color printers use ink to print on the surface of paper. The ink contains dyes and pigments, which have characteristic molecular information based on their colors. By visualizing this molecular information, it becomes possible to obtain information about the distribution of ink components on the paper surface and how deeply the ink components penetrate into the paper cross-section. Below, I will summarize the "imaging results of the paper surface" visualized by TOF-SIMS. TOF-SIMS can perform image analysis of molecular information ranging from 10 μm to 3 cm square.