4. Coherent light generators
  5. Particular active media
  6. Semiconductor

Yasuhito Kumabuchi

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FET having a Si/SiGeC heterojunction channel

Active solid-state devices (e.g. – transistors – solid-state diode – Heterojunction device – Field effect transistor
Reexamination Certificate

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Method for etching a compound semiconductor, a semi-conductor la

Semiconductor device manufacturing: process – Chemical etching – Having liquid and vapor etching steps
Patent

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Method for etching a compound semiconductor, a semiconductor las

Semiconductor device manufacturing: process – Making device or circuit emissive of nonelectrical signal – Compound semiconductor
Patent

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Method for forming an ohmic electrode

Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material
Patent

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Method for forming ohmic electrode, and semiconductor device

Active solid-state devices (e.g. – transistors – solid-state diode – Specified wide band gap semiconductor material other than... – Diamond or silicon carbide
Reexamination Certificate

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