申请人:Hirade Tomohiro
公开号:US10544321B2
公开(公告)日:2020-01-28
An ink includes a volatile solvent, an inorganic hollow particle, and a calcium ion, wherein the calcium ion has a proportion of from 0.5 to 250 ppm in the ink and the inorganic hollow particle has a 50 percent cumulative particle diameter of from 50 to 350 nm.
一种油墨包括挥发性溶剂、无机空心颗粒和钙离子,其中钙离子在油墨中的比例为 0.5 至 250 ppm,无机空心颗粒 50% 的累积颗粒直径为 50 至 350 nm。