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18987307. OPTICAL CAMOUFLAGE FILTERS (3M INNOVATIVE PROPERTIES COMPANY)

From WikiPatents


OPTICAL CAMOUFLAGE FILTERS

Organization Name

3M INNOVATIVE PROPERTIES COMPANY

Inventor(s)

John A. Wheatley of Lake Elmo MN US

Guanglei Du of Woodbury MN US

David T. Yust of Woodbury MN US

Neeraj Sharma of Woodbury MN US

Gilles J. Benoit of Minneapolis MN US

Ellison G. Kawakami of St. Paul MN US

Anthony M. Renstrom of Forest Lake MN US

OPTICAL CAMOUFLAGE FILTERS

This abstract first appeared for US patent application 18987307 titled 'OPTICAL CAMOUFLAGE FILTERS

Original Abstract Submitted

An article includes an optical filter that comprises a wavelength selective reflective layer and at least one wavelength selective absorbing layer. The optical filter has visible transmittance between 400 nm-700 nm of less than about 30% and near infrared transmittance at 830 nm-900 nm greater than about 30%.

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