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

Yong Woo Park

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Apparatus for and method of measuring thickness of materials...

Optics: measuring and testing – Dimension – Thickness
Reexamination Certificate

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Method of fabricating stamper and focusing grating coupler...

Etching a substrate: processes – Forming or treating optical article
Reexamination Certificate

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Method of fabricating stamper and focusing grating coupler...

Etching a substrate: processes – Forming or treating optical article
Reexamination Certificate

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Mode-filtering and mode-selecting method in multi-mode...

Optical waveguides – Optical fiber waveguide with cladding – With graded index core or cladding
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Optical head having a beam input/output coupler on a planar...

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
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Profile ID: LFUS-PAI-P-2352773

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