| 摘要 |
Method of coating a substrate which is a belt, sheet, film, or tape, comprising applying an active coating material to the substrate to form an active coating layer, the active coating material comprising biologically active material. The active coating material is applied electrostatically as a powder and, after the active coating material is applied, the active coating material is fused to form an active film layer. The active coating material is removable from the substrate as a wafer comprising the active film layer. |
