Modified polycyclic polymers

   
   

The present invention relates to cyclic polymers and their use in photolithographic applications. The cyclic polymers contain a pendant acid labile functional group and a functional group containing a protected hydroxyl moiety. The polymers are post modified by deprotecting the pendant hydroxyl moiety and reacting the deprotected hydroxyl containing moiety with a coreactant. The post-functionalized polymers find application in chemically amplified photoresist compositions.

A invenção atual relaciona-se aos polímeros cíclicos e ao seu uso em aplicações photolithographic. Os polímeros cíclicos contêm um grupo funcional labile ácido pendant e um grupo funcional que contêm um moiety protegido do hydroxyl. Os polímeros são borne modificado deprotecting o moiety pendant do hydroxyl e reagir deprotected o hydroxyl que contem o moiety com um coreactant. A aplicação do achado dos polímeros do borne-functionalized em composições quimicamente amplificadas do photoresist.

 
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