| 摘要 |
<p>The invention relates to improvements in security features in paper and in particular to a method of making paper and transparentising selected areas of paper to provide enhanced security features. The invention thus provides a method of making paper comprising the steps of depositing fibres (12) onto a support surface (13) to form a porous absorbent sheet (14), applying a transparentising resin to at least a portion of said porous sheet and subsequently impregnating the porous sheet with a sizing resin.</p> |
