Product Documentation

Virtuoso Fluid Guard Ring Frequently Asked Questions
Product Version IC23.1, June 2023

Contents

Fluid Guard Ring Frequently Asked Questions

Which technology rules are used for installing FGRs?

Which technology rules are used for creating FGRs?

Which technology rules are used while editing FGRs?

How can geometry changes be avoided when existing FGRs are opened in a new Virtuoso release?

Why do contacts at the corners of an FGR instance disappear in releases above IC6.1.5 ISR14?

Why are the contacts inconsistently distributed in some areas when two or more FGRs are merged?

Can an FGR device hidden from the Install Guard Ring form be re-installed?

Can an FGR device hidden from the Create Guard Ring form be re-installed from the Install Guard Ring form?

Is it possible to install an FGR device with implant layer enclosure value less than technology default?

What should I do if a third party tool issues error and warning messages while using a customized FGR?

Can I make changes to the procedure for initializing customized FGR devices?

Is it acceptable to call the procedure for initializing customized FGR devices from a file other than libInit.il?

Do the fields displayed on the Create Guard Ring form have corresponding prompt names?

Advanced Node Features (Advanced Nodes Only)

Can a newly created FGR for a FinFET device snap to the fin grids?

⠀ X