Resources Contact Us Home
Meta-materials based upon surface coupling phenomena to achieve one-way mirror for various electro-magnetic signals

Image Number 3 for United States Patent #7301493.

A one-way reflective sensor shield with an increased bandwidth meta-materials coating is provided which substantially reduces or eliminates deleterious electronic signatures and backscattering. The one-way reflective sensor shield with meta-materials coating operates according to surface plasmonic coupling phenomena and achieves a mirror-like one-way reflection of electromagnetic signals. In this arrangement, the meta-materials coating is composed of a dielectric material, and the corrugated metal strips are composed of a metallic conductive material with a negative dielectric constant, to allow surface plasmonic coupling between the plasma in the metal and the incident electromagnetic field. Surface plasmons occur at the interface of a material with a positive dielectric constant, such as dielectric surface, with that of a negative dielectric constant, usually a metal or doped dielectric, such as the metal strips. Sensor devices and sensor shielding systems are also provided.

  Recently Added Patents
Image sensor with improved color crosstalk
Imaging lens with three lens elements, and electronic apparatus having the same
Power-saving receiver
Debugging using code analysis
Catalysts for polyurethane coating compounds
Device for producing a connection grid with an integrated fuse
Magnetic levitation motor used in lens module
  Randomly Featured Patents
Bolt-type seal lock having separate housing, connected to locking body, with electronics for detecting and wireless communicating cutting of bolt
Sheet feeding apparatus and image forming apparatus
Image reading apparatus having a rearranging section providing addresses for accessing to a storage section
Switch arranged for being mounted on a circuit board
Pattern recognition system using posterior probabilities
Extraction and winterization of lipids from oilseed and microbial sources
Apparatus and method of heating a cup in a microwave oven
Multiple read photodiode
Semiconductor devices and manufacturing methods thereof
Process of purifying gases