4. Etching a substrate: processes
  5. Forming or treating optical article

Yutaka Natsume

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Method for fabricating planar optical waveguide devices

Etching a substrate: processes – Forming or treating optical article
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Multichannel array waveguide diffraction grating...

Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate

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Optical waveguide circuit component and method of...

Optical waveguides – Planar optical waveguide – Thin film optical waveguide
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2623720

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