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Silicon on Insulator deep trench Isolation (Read 75 times)
aaron_do
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Silicon on Insulator deep trench Isolation
May 10th, 2012, 6:36pm
 
Hi all,


just wondering, for Silicon-on-Insulator technology, does a deep trench in combination with the buried oxide give perfect DC isolation? In other words, does the deep trench extend all the way to the buried oxide and prevent any leakage current?


thanks,
Aaron
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loose-electron
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Re: Silicon on Insulator deep trench Isolation
Reply #1 - May 12th, 2012, 8:40am
 
go get some specifics on the foundry process -

The SOI variants do a lot better than the DT isolation of bulk silicon, but you need the specifics of the foundry process.
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