Verfahren zur Erhoehung der Haftfaehigkeit von lichtempfindlichen Schichten auf Glasplatten bei der Herstellung von als Fotomasken verwendbaren fotografischen Platten

摘要

1,076,410. Contact printing. BUCKBEEMEARS CO. June 28, 1965 [March 1, 1965], No.27221/65. Heading G2C. Photographic emulsions for master plates are coated on a roughened clear glass plate to prevent the emulsion being torn out on repetitive contact printing on to a metal web coated with a photographic emulsion. Roughening is to a depth of 20-40Á.