For the production of a printing stencil, a fine-mesh screen is provided with an unexposed photoemulsion layer and aligned in order to establish it in an essentially tubular or flat shape On the photoemulsion layer, those locations which are not to be exposed are covered with an opaque layer according...http://www.google.fr/patents/US6076459?utm_source=gb-gplus-shareBrevet US6076459 - Method and apparatus for the production of a printing stencil
Method and apparatus for the production of a printing stencil
