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| Number | Title | Issue Date |
| 5223446 | Semiconductor device with a photodetector switching device grown on a recrystallized monocrystal silicon film A semiconductor device is disclosed which comprises a normally-off first MOSFET, a normally-off second MOSFET connected between the gate and source of the first MOSFET, a diode connected between the gate and source of the second MOSFET, a resistor and an ... | 06/29/1993 |
| 5105090 | Semiconductor device with a photodetector switching device A semiconductor device is disclosed which comprises a normally-off first MOSFET, a normally-off second MOSFET connected between the gate and source of the first MOSFET, a diode connected between the gate and source of the second MOSFET, a resistor and an ... | 04/14/1992 |