4. Optical: systems and elements
  5. Optical frequency converter

Hui Chun Liu

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Method and apparatus for repair of defects in materials with...

Electric heating – Metal heating – By arc
Reexamination Certificate

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Method for micro-fabricating a pixelless infrared imaging...

Semiconductor device manufacturing: process – Making device or circuit responsive to nonelectrical signal – Responsive to electromagnetic radiation
Reexamination Certificate

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Method for micro-fabricating a pixelless infrared imaging...

Semiconductor device manufacturing: process – Making device or circuit emissive of nonelectrical signal – Having diverse electrical device
Reexamination Certificate

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Multicolor voltage tunable quantum well intersubband infrared ph

Active solid-state devices (e.g. – transistors – solid-state diode – Thin active physical layer which is – Heterojunction
Patent

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Quantum dot infrared photodetectors (QDIP)

Active solid-state devices (e.g. – transistors – solid-state diode – Thin active physical layer which is – Heterojunction
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2909456

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