Transistor with improved safe operating area

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode

Reexamination Certificate

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C257S335000, C257S341000

Reexamination Certificate

active

06878999

ABSTRACT:
Segmented transistor devices are provided, wherein contiguous individual transistor segments extend along corresponding segment axes, in which two or more of the segment axes are at a non-zero angle with respect to one another. The segmentation of the transistor provides a high overall device aspect ratio which may be easily fit into pre-existing circuit blocks or cells in a device layout, thereby facilitating device scaling.

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patent: 5736766 (1998-04-01), Efland et al.
patent: 6372586 (2002-04-01), Efland et al.
patent: 20020187612 (2002-12-01), Sleight et al.
patent: 20040056317 (2004-03-01), Chang et al.
“Experimental and Theoretical Analysis of Energy Capability of Resurf LDMOSFETs and Its Correlation with Static Electrical Safe Operating Area (SOA)”, Vishnu Khemka, Vijay Parthasarathy, Ronghua Zhu, Amitava Bose and Toss Roggenbauer, IEEE Transactions on Electron Devices, vol. 49, No. 6, Jun. 2002, pp. 1049-1058.

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