Silicon-on-Insulator Technology

5. 2. Distinction between thick- and thin-film devices ...109 5. 3. I-V Characteristics ...112 5. 3. 1. Threshold voltage ...11 2 5. 3 . 2. Body effecL ...1 1 8 5. 3. 3. Short-channel effects ...120 5. 3. 4. Output characteristics ...1 24 5. 4. Transconductance and mobility ...129 5. 4. 1 Transconductance ...129 5. 4. 2. Mobility ...130 5. 5. Subthreshold slope ...132 5. 6. Impact ionization and high-field effects ...13 9 5. 6. 1. Kink effecL ...1 39 5. 6. 2. Hot-electron degradation ...143 5. 7. Parasitic bipolar effects ...145 5. 7. 1. Anomalous subthreshold slope ...1 45 5. 7. 2. Reduced drain breakdown voltage ...14 7 5. 8. Accumulation-mode p-channel MOSFET ...14 9 CHAPTER 6 - Other SOl Devices ...1 5 9 6. 1. Non-conventional devices adapted from bulk ...159 6. 1. 1. COMFET ...160 6. 1. 2. High-voltage lateral MOSFET ...1 6 1 6. 1. 3. PIN photodiode ...162 6. 1. 4. JFET ...163 6. 2. Novel SOl devices ...164 6. 2. 1. Lubistor ...164 6. 2. 2. Bipolar-MOS device ...166 6. 2. 3. Double-gate MOSFET ...1 69 6. 2. 4. Bipolar transistors ...172 6. 2. 5. Optical modulator ...1 74 CHAPTER 7 - The sm MOSFET Operating in a Harsh Environment...1 77 7. 1. Radiation environment...1 7 7 7. 1. 1. SEU ...178 7. 1. 2. Total dose ...180 7. 1. 3. Dose-rate ...1 8 4 7. 2. High-temperature operation ...1 85 7. 2. 1. Leakage currents ...