IC chip coating material as well as intermediate and process for producing a vacuum fluorescent display device

IC chip coating material: first metal oxide particles are selected from iron oxide, chromium oxide and / or manganese; a metal alkoxide selected from aluminum alkoxide, silicon alkoxide and / or titanium alkoxide; an organic solvent, and second metal oxide particles are independently selected from iron oxide, chromium oxide and / or manganese oxide and / or mica, wherein the ratio of the average particle size of the first metal oxide and second metal oxide particles 1: 5 or less.