摘要 |
<p>An apparatus (10) and method are provided for selectively applying an agentcontaining liquid coating to extremely tiny skin piercing microprojections (12) . The coating solution is applied to the skin piercing microprojections (12) using a coating technique which selectively coats only predetermined portions the skin piercing microprojections (12) . By the use of various photoresists and hydrophobic coatings, a defined and precise portion of the microprojections and/or the microprojection (12) . arrays can be coated with an agent formulation.</p> |