Resources Contact Us Home
Gradient-index lens, and method for producing the same

Image Number 10 for United States Patent #6903877.

A micro prismatic structure is formed inside the light transmission face of a gradient-index lens, in which the projections have a height of at least 0.25 .lambda. and the distance between the neighboring projections is at most .lambda., based on the applied wavelength .lambda.. Preferably, the micro prismatic structure has conical projection units that are aligned in the light transmission face of the lens in a mode of hexagonal, tetragonal or orthorhombic arrangement. The conical projections may be in any form of circular cones, polygonal cones, flat-headed circular cones (circular cones of which the apex has been cut horizontally) or flat-headed polygonal cones .

  Recently Added Patents
Taxi cab key chain
Erasing a non-volatile memory (NVM) system having error correction code (ECC)
Nanoparticles in a flash memory using chaperonin proteins
Repeating frame battery with joining of cell tabs via welded-on male and female slip-fit connectors
Processor micro-architecture for compute, save or restore multiple registers, devices, systems, methods and processes of manufacture
Reverse mapping method and apparatus for form filling
Nitrogen-doped carbon-supported cobalt-iron oxygen reduction catalyst
  Randomly Featured Patents
Funnels for use with large drums
Baseball pitcher's target
CMOS imaging sensor having a third FET device with a gate terminal coupled to a second diffusion region of a first FET device and a first terminal coupled to a row select signal
Traction control system
Wireless terminal adapted for detachably connecting with a radio
Slalom ski with vibration damper
Method and apparatus for expanding the address space of computers
Used capsule collector for beverage devices
Operating a multi-gripper accessor in an automated storage system
Process for treating methyl bromide materials