hacksgen
Member level 3
shielding of capacitance
Hi everyone,
Can anyone explain me what is the purpose of shielding or point me to where i can find more about it. If you have mimcap say between metal 3 and metal 4 layers and u use metal 2 as a shield for example. what purpose does it serve. will the mim cap be unaffected by the substrate parasitics . what about the parasitics capacitance from mim cap to substrate. will it go down.
Thanks.
Hi everyone,
Can anyone explain me what is the purpose of shielding or point me to where i can find more about it. If you have mimcap say between metal 3 and metal 4 layers and u use metal 2 as a shield for example. what purpose does it serve. will the mim cap be unaffected by the substrate parasitics . what about the parasitics capacitance from mim cap to substrate. will it go down.
Thanks.