Silver mirrors and black mirrors.

Features: Our company currently holds utility patents for innovative optical sensing device structures: the black film structure and the metal film structure. The black film structure is achieved through PVD technology, where chromium (Cr) is deposited onto the substrate surface to maintain a stable reflectance for optical sensing devices. On the other hand, the metal film structure involves depositing silver (Ag) onto the substrate surface using PVD technology, generating a larger quantity of refracted light for optical sensing devices. This technology has already been utilized in satellite-related projects.

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