Production of thin films

Details Production of thin films Production of thin films

B - Operations, Transporting

05

D

117/122

B05D 1/20 (2006.01)

Patent

CA 1337469

- 16 - Thin films which contain a defined concentration of dye per unit area and are use- ful as layer elements, eg. for optical filters, are prepared by spreading an oleophilic dye which is soluble in an organic water-immiscible solvent and an organic polymer dissolved in an organic solvent as a thin film at the water/air interface and, after the solvent has evaporated, transferring said film by the Langmuir-Blodgett technique to a solid base material

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