Figure 12.1540-MeV 209Bi ion irradiation 1.7 × 10 11 ions/cm 2 TEM images of AlGaN/GaN HEMT devices: (a) Gate region cross-section; (b) The orbital image of the heterojunction region shown in Figure (a); (c) The image shown in Figure (a) has a depth of approximately 500 nm; (d) Traces formed at the drain; (e) As shown in Figure (d), the trajectory appears at a depth of ap- proximately 500 nm [48] 图 12.1540-MeV 209Bi 离子辐照 1.7 × 10 11 ions/cm 2 的 AlGaN/GaN HEMT 器件的 TEM 图像: (a) 栅极区域截面; (b) 图 (a) 所示异质结区域轨道图 像; (c) 图 (a) 所示深度约 500 nm 图像; (d) 在漏极形成的痕迹; (e) 如图 (d) 所示,轨迹出现在深度约 500 nm 处 [48]
SU 单元提供三种主要产品线:SU3.0、SU4.0 和 SU5.0。基本类型 3.0 包含所有主要保护功能:L(长延时保护)、S(短延时保护)、I(瞬时保护)。允许将此类型用作选择性系统中的上游断路器。高级类型 4.0 和 5.0 分别提供额外的 G(接地故障)和 E(接地漏电)保护。这两个功能均基于差动剩余电流的测量。SU4.0 中的 G 功能旨在记录接地故障,即通过 PE 导体的剩余电流,其水平与标称电流相似(为 I n 的 0.1 倍)。与此相反,SU5.0 还可以记录从 0.5 A 级别开始的漏电流,并且具有调整后的不灵敏时间。因此,它适合用作保护,以防止由绝缘不完善、高阻抗故障等引起的漏电流。
2 器件特性 ................................................................................................................................ 4 2.1 电气特性(辐照前) ...................................................................................................................... 4 2.2 源漏二极管额定值和特性(辐照前) ............................................................................................ 5 2.3 热特性 ...................................................................................................................................... 5 2.4 辐射特性 ...................................................................................................................................... 5 2.4.1 电气特性 — 总剂量辐照后 ...................................................................................................... 5 2.4.2 单粒子效应 — 安全工作区 ...................................................................................................... 6
2 器件特性 ................................................................................................................................ 4 2.1 电气特性(辐照前) ...................................................................................................................... 4 2.2 源漏二极管额定值和特性(辐照前) ............................................................................................ 5 2.3 热特性 ...................................................................................................................................... 5 2.4 辐射特性 ...................................................................................................................................... 5 2.4.1 电气特性 — 总剂量辐照后 ...................................................................................................... 5 2.4.2 单粒子效应 — 安全工作区 ...................................................................................................... 6
2 器件特性 ................................................................................................................................ 4 2.1 电气特性(辐照前) ...................................................................................................................... 4 2.2 源漏二极管额定值和特性(辐照前) ............................................................................................ 5 2.3 热特性 ...................................................................................................................................... 5 2.4 辐射特性 ...................................................................................................................................... 5 2.4.1 电气特性 — 总剂量辐照后 ...................................................................................................... 5 2.4.2 单粒子效应 — 安全工作区 ...................................................................................................... 6
2 器件特性 ................................................................................................................................ 4 2.1 电气特性(辐照前) ...................................................................................................................... 4 2.2 源漏二极管额定值和特性(辐照前) ............................................................................................ 5 2.3 热特性 ...................................................................................................................................... 5 2.4 辐射特性 ...................................................................................................................................... 5 2.4.1 电气特性 — 总剂量辐照后 ...................................................................................................... 5 2.4.2 单粒子效应 — 安全工作区 ...................................................................................................... 6
2 器件特性 ................................................................................................................................ 4 2.1 电气特性(辐照前) ...................................................................................................................... 4 2.2 源漏二极管额定值和特性(辐照前) ............................................................................................ 5 2.3 热特性 ...................................................................................................................................... 5 2.4 辐射特性 ...................................................................................................................................... 5 2.4.1 电气特性 — 总剂量辐照后 ...................................................................................................... 5 2.4.2 单粒子效应 — 安全工作区 ...................................................................................................... 6
2 器件特性 ................................................................................................................................ 4 2.1 电气特性(辐照前) ...................................................................................................................... 4 2.2 源漏二极管额定值和特性(辐照前) ............................................................................................ 5 2.3 热特性 ...................................................................................................................................... 5 2.4 辐射特性 ...................................................................................................................................... 5 2.4.1 电气特性 — 总剂量辐照后 ...................................................................................................... 5 2.4.2 单粒子效应 — 安全工作区 ...................................................................................................... 6
2 器件特性 ................................................................................................................................ 4 2.1 电气特性(辐照前) ...................................................................................................................... 4 2.2 源漏二极管额定值和特性(辐照前) ............................................................................................ 5 2.3 热特性 ...................................................................................................................................... 5 2.4 辐射特性 ...................................................................................................................................... 5 2.4.1 电气特性 — 总剂量辐照后 ...................................................................................................... 5 2.4.2 单粒子效应 — 安全工作区 ...................................................................................................... 6
2 器件特性 ................................................................................................................................ 4 2.1 电气特性(辐照前) ...................................................................................................................... 4 2.2 源漏二极管额定值和特性(辐照前) ............................................................................................ 5 2.3 热特性 ...................................................................................................................................... 5 2.4 辐射特性 ...................................................................................................................................... 5 2.4.1 电气特性 — 总剂量辐照后 ...................................................................................................... 5 2.4.2 单粒子效应 — 安全工作区 ...................................................................................................... 6