4. Optical: systems and elements
  5. Diffraction
  6. From zone plate

Joseph Kedmi

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Diffractive multi-focal lens

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent

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Diffractive optical element

Optical: systems and elements – Diffraction – From zone plate
Patent

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Diffractive optical element

Optical: systems and elements – Diffraction – From zone plate
Patent

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Method and apparatus for reading multiple tracks and writing...

Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate

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Methods and apparatus for cross-talk and jitter reduction in...

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1031489

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