| 摘要 |
The present invention includes a box comprising a housing having a height of about 2 millimeters. The housing comprises a bottom portion. The bottom portion defines a bottom surface, an internal lateral flank, and a top bottom surface. The top bottom surface is elevated from the bottom surface, extending from the internal lateral flank. The box also includes a thin film and at least one weld that seals the thin film to the housing. |
