| 摘要 |
PROBLEM TO BE SOLVED: To provide a tray which can be laminated on each other with a storage space therebetween, capable of preventing dust from invading into a storing part, and reducing the number of components thereof while the dust is prevented from invading into the storing part. SOLUTION: The tray 1 has a storing part 3 to store the components. An outer annular recessed part 15 and an inner annular recessed part 16 are formed on a frame part 2 of the tray 1. The outer annular recessed part 15 consists of an outer first recessed part 17 and an outer second recessed part 18 protruded to a back face side. The inner annular recessed part 16 consists of an inner first recessed part 19 protruded to the back face side and symmetric to the outer first recessed part 17 and an inner second recessed part 20 protruded to the back face side and symmetric to the outer second recessed part 18. When the tray 1 is turned by 180°, and overlap the other tray 1, protruded portions 25 and 26 of the first recessed parts 17 and 19 of the upper tray 1 are engaged with the second recessed parts 18 and 20 of the lower tray 1, respectively, and a sealed storage space S is formed between the trays 1. COPYRIGHT: (C)2006,JPO&NCIPI
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