Patent ID: 8980007
Filing Date: 2015-03-17
Classification: C23C,H05H

Abstract:
1. A thin film forming apparatus in which a thin film is formed on a surface of a continuously Conveyed substrate via plasma discharge processing at or near atmospheric pressure, wherein the thin film forming apparatus comprises: a pair of rotating roller electrodes which face each other beyond a specified gap, a plasma discharge device which applies voltage to the pair of roller electrodes to generate plasma discharge, a conveying device which conveys the substrate to the plasma discharge device, a processing gas blowing device having an apex pointed in a direction of the specific gap and two concave side walls, one of each of the concave side walls opposing respectively one of each of the pair of rotating roller electrodes, a processing gas blowing exit section in the apex through which a processing gas blows at or near atmospheric pressure in the direction of the specified gap, a complementary gas blowing exit section in each one of the two concave side walls and through which complementary gas containing an inert gas blows in a direction of the respective one of the pair of rotating roller electrodes, respectively, a gas exhaust device which exhausts the processing gas and the complementary gas which have passed the pair of rotating roller electrodes, and an angle θ measured from the direction of the specific gap to the direction of the respective one of the pair of rotating roller electrodes is no less than 10° and no more than 90°.