4. Active solid-state devices (e.g., transistors, solid-state diode
  5. Bipolar transistor structure
  6. With base region having specified doping concentration...

Roger E. Welser

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Bipolar transistor

Active solid-state devices (e.g. – transistors – solid-state diode – Heterojunction device – Heterojunction formed between semiconductor materials which...
Reexamination Certificate

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Bipolar transistor with enhanced base transport

Active solid-state devices (e.g. – transistors – solid-state diode – Bipolar transistor structure – With base region having specified doping concentration...
Reexamination Certificate

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Bipolar transistor with graded base layer

Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate
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Bipolar transistor with graded base layer

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

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Bipolar transistor with lattice matched base layer

Semiconductor device manufacturing: process – Forming bipolar transistor by formation or alteration of... – Having heterojunction
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Profile ID: LFUS-PAI-P-2278925

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