4. Optical: systems and elements
  5. Diffraction
  6. From grating

Toyokazu Takahashi

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Objective lens unit for optical pickup, optical pickup and...

Optical: systems and elements – Diffraction – From grating
Reexamination Certificate

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Optical pickup device and optical disk apparatus using the same

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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Optical pickup-use object lens, optical pickup and optical...

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-2785826

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