Coating die for intermittent application of medium on substrate, has channel subjected along direction of flow of medium behind blocking unit and before die gap to keep medium with closed blocking unit in die

摘要

The die has die bodies (11-13) including a channel (15) for a medium between a die gap (17) and a supplying unit (16), where the die gap for the medium is extended parallel to a substrate and transverse to transport direction. A blocking unit (18) is arranged in the channel for opening and closing the channel to cause an intermittent application in the transport direction. The channel is subjected along direction of flow of the medium behind the blocking unit and before the die gap to keep the medium with the closed blocking unit in the die.