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What is Calibre OPC and RET


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salem_eng1



Joined: 07 Dec 2006
Posts: 65
Helped: 5
Location: Egypt


Post23 Dec 2007 2:17   

calibre opc


Hi All

I want to know the function of this tools "Calibre OPC & RET ". I know the functions of DRC,LVS and PEX but I don't know what is OPC or RET. I need exactly to know what is OPT and RET and what is its uses.

Thanks
Regards
Ahmed Salem
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Post23 Dec 2007 2:17   

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safwatonline



Joined: 19 Nov 2005
Posts: 1418
Helped: 172
Location: EGYPT


Post23 Dec 2007 5:15   

calibre opc site:edaboard.com


OPC:optical proximity check
RET:resolution enhancement techniques
between making the mask and finishing the layout , some steps are made to increase the yield like adding some dummy extensions to some layout figure so that when the process steps are done the final outcome is like the drawn layout , this falls under what is called DFM "design for manufacturing", and as far as i know calibre provide some of these options to be done automatically
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