Active solid-state devices (e.g. – transistors – solid-state diode – Including semiconductor material other than silicon or... – Group iii-v compound
Reexamination Certificate
2007-12-07
2009-06-23
Richards, N Drew (Department: 2895)
Active solid-state devices (e.g., transistors, solid-state diode
Including semiconductor material other than silicon or...
Group iii-v compound
C257S076000, C257SE29091
Reexamination Certificate
active
07550821
ABSTRACT:
A nitride semiconductor device includes: a substrate; a nitride semiconductor layer formed on a main surface of the substrate and having a channel region through which electrons drift in a direction parallel to the main surface; and a plurality of first electrodes and a plurality of second electrodes formed spaced apart from each other on an active region in the nitride semiconductor layer. An interlayer insulating film is formed on the nitride semiconductor layer. The interlayer insulating film has openings that respectively expose the first electrodes and has a planarized top surface. A first electrode pad is formed in a region over the active region in the interlayer insulating film and is electrically connected to the exposed first electrodes through the respective openings.
REFERENCES:
patent: 2003/0181017 (2003-09-01), Mikawa et al.
patent: 2006/0157804 (2006-07-01), Ueda
patent: 2007/0020799 (2007-01-01), Choi et al.
Saito et al. “High Breakdown Voltage AlGaN-GaN Power-HEMT Design and High Current Density Switching Behavior”, IEEE Transaction on Electron Devices, vol. 50, No. 12, pp. 2528-2531, Dec. 2003.
Hikita Masahiro
Nakazawa Kazushi
Shibata Daisuke
Tanaka Tsuyoshi
Ueda Tetsuzo
Diallo Mamadou
McDermott Will & Emery LLP
Panasonic Corporation
Richards N Drew
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