| 摘要 |
<p>A transmission window (14) for a particle accelerator (10) is formed of a thin foil (14) having a predetermined thickness and having a predetermined length, and when laid flat as a sheet having a transverse dimension. The window is formed to have a locus of a curve in cross-section along the transverse dimension such that a radius of curvature of at least a portion of the curve in cross-section is less than the length of the transverse dimension. Longitudinal channel and tubular shapes are preferred. Window cooling by gaseous and liquid fluid flows is also described. A transmission window assembly and a particle beam accelerator are also described. As one example, a liquid material processor and processing method employs either the curved window or a conventional window and advantageously directs liquid material onto the window to cool it, while a particle beam passing through the window enters the liquid material and changes it chemically in a predetermined manner. A mobile transporter enabling relocation of the liquid material processor between process sites is also described.</p> |
