| 摘要 |
<p>The invention is an apparatus for dispensing particles onto a surface (12). The apparatus includes a hopper (50) for receiving particles. The hopper includes a hopper opening (55). The screen (56) is disposed over the hopper opening (55) so as to cover the opening. A brush (58) is disposed approximate to the screen (56) such that bristles on the brush contact the screen.</p> |
