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EP0416166A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Methods of making a heterojunction bipolar transistor having a separate collector contact

Assignee: Siemens AG
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Filing: 1989-09-08
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Granted: —
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Expires: 2009-09-08
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Abstract

Abstract Planar heterojunction bipolar transistor in which the base/emitter region is separated by a collector separation trench (18) from the collector terminal, and method of producing same. <IMAGE>

Inventors

  • 👤 Peter Dr. Zwicknagl
  • 👤 Joachim Dipl.-Ing. Hoepfner
  • 👤 Lothar Dipl.-Phys. Schleicher

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-01 13:26
CPC Classifications
H; H10; H10D; H10D10/00; H10D10/01; H10D10/021; H10D10/80; H10D10/821; H10D64/00; H10D64/01; H10D64/011; H10D62/00; H10D62/80; H10D62/82; H10D62/824

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE3512841A1 Cited
EP0297886A2 Cited

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