4. Optics: measuring and testing
  5. By light interference
  6. For dimensional measurement

Young-Gu Ju

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Folded cavity laser

Coherent light generators – Particular resonant cavity – Specified cavity component
Reexamination Certificate

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Interferometer using vertical-cavity surface-emitting lasers

Optics: measuring and testing – By light interference – For dimensional measurement
Reexamination Certificate

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Long wavelength surface-emitting semiconductor laser device...

Coherent light generators – Particular active media – Semiconductor
Reexamination Certificate

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Organic light emitting diode display and method for...

Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2207196

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