![Guard rings: Structures, design methodology, integration, experimental results, and analysis for RF CMOS and RF mixed signal BiCMOS silicon germanium technology - ScienceDirect Guard rings: Structures, design methodology, integration, experimental results, and analysis for RF CMOS and RF mixed signal BiCMOS silicon germanium technology - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0304388606000519-gr4.jpg)
Guard rings: Structures, design methodology, integration, experimental results, and analysis for RF CMOS and RF mixed signal BiCMOS silicon germanium technology - ScienceDirect
![Latch-up prevention in CMOS | Various techniques for latch-up prevention | Issues in Physical design - YouTube Latch-up prevention in CMOS | Various techniques for latch-up prevention | Issues in Physical design - YouTube](https://i.ytimg.com/vi/Fi2OqR3_0Ew/maxresdefault.jpg)
Latch-up prevention in CMOS | Various techniques for latch-up prevention | Issues in Physical design - YouTube
![Figure 5 from Optimization of Guard Ring Structures to Improve Latchup Immunity in an 18 V DDDMOS Process | Semantic Scholar Figure 5 from Optimization of Guard Ring Structures to Improve Latchup Immunity in an 18 V DDDMOS Process | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/1daa6672700f694258cc619ab88697e2c3682086/3-Figure5-1.png)
Figure 5 from Optimization of Guard Ring Structures to Improve Latchup Immunity in an 18 V DDDMOS Process | Semantic Scholar
![Single-event multiple transients in guard-ring hardened inverter chains of different layout designs - ScienceDirect Single-event multiple transients in guard-ring hardened inverter chains of different layout designs - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0026271418304104-gr2.jpg)
Single-event multiple transients in guard-ring hardened inverter chains of different layout designs - ScienceDirect
![Guard rings: Structures, design methodology, integration, experimental results, and analysis for RF CMOS and RF mixed signal BiCMOS silicon germanium technology - ScienceDirect Guard rings: Structures, design methodology, integration, experimental results, and analysis for RF CMOS and RF mixed signal BiCMOS silicon germanium technology - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0304388606000519-gr2.jpg)
Guard rings: Structures, design methodology, integration, experimental results, and analysis for RF CMOS and RF mixed signal BiCMOS silicon germanium technology - ScienceDirect
![Single-event multiple transients in guard-ring hardened inverter chains of different layout designs - ScienceDirect Single-event multiple transients in guard-ring hardened inverter chains of different layout designs - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0026271418304104-gr8.jpg)
Single-event multiple transients in guard-ring hardened inverter chains of different layout designs - ScienceDirect
![Figure 1 from Improved latch-up immunity in junction-isolated smart power ICs with unbiased guard ring | Semantic Scholar Figure 1 from Improved latch-up immunity in junction-isolated smart power ICs with unbiased guard ring | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/7eb2915aa345d17d814e56d93d42428f227b0708/1-Figure1-1.png)