Invention Application
WO2005040011A1 PHOTOCHROMIC SUBSTRATE CONTAINER 审中-公开
光致变色基板容器

PHOTOCHROMIC SUBSTRATE CONTAINER
Abstract:
A semiconductor wafer, substrate, or reticle storage or shipping container (10, 24) that includes a photochromic indicator of exposure to undesired electromagnetic radiation. A photochromic material is incorporated into the plastic used to fabricate at least a portion of the container. The photochromic material may change color or darkness in response to exposure to a selected range of wavelengths of light.
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