PRODUCTION OF OPTICAL TAPE

• Main Authors: MATSUURA KOTARO, YAMAMOTO SHIGEAKI
• Format: Patent
• Language: English
• Published: 13.05.1992
• Subjects: APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; PERFORMING OPERATIONS; PHYSICS; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; SPRAYING OR ATOMISING IN GENERAL; TRANSPORTING

PURPOSE:To form an org. dye layer, the surface characteristic of which withstands order of an optical type by transferring a tape-shaped substrate in a longitudinal direction while maintaining a specified distance from a nozzle aperture and supplying an org. dye soln. under a specified pressure from the nozzle aperture. CONSTITUTION:The nozzle 3 is formed with the nozzle aperture 4 having a specified width at its top end. A base film 2 is transferred longitudinally as a roller 1 revolves. The aperture 4 faces the film 2 at a specified spacing. While the film 2 is transferred at a constant speed, the org. dye soln. is supplied under the specified pressure from the aperture 4, by which the org. dye is applied at a specified film thickness on the film 2. Since the film 2 is not held in sliding contact with the nozzle, etc., at this time, the surface characteristic of the org. dye layer has the high accuracy.