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| Number | Title | Issue Date |
| 7563685 | Bipolar-transistor and method for the production of a bipolar-transistor The invention relates to NPN and PNP bipolar transistors and to a method for the production thereof, said transistors being characterised by a particularly high collector-emitter and collector-base blocking voltage. The blocking voltage is increased by a particular ... | 07/21/2009 |
