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公开(公告)号：EP4300590A1
公开(公告)日：2024-01-03
申请号：EP22198916.3
申请日：2022-09-30
Applicant: GlobalFoundries U.S. Inc.
Inventor： Jain, Vibhor , Raghunathan, Uppili S. , Liu, Qizhi , Ngu, Yves T. , Raman, Ajay , Krishnasamy, Rajendran , Joseph, Alvin J.
IPC: H01L29/732 , H01L21/331 , H01L29/08 , H01L29/06
Abstract: A structure comprising: a collector; a base over the collector; and an emitter over the base, the emitter comprising at least one stepped feature over the base.
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