Acetal group containing norbornene copolymer for photoresist, method for producing the same and photoresist composition containing the same

   
   

An acetal group containing norbornene-based copolymer useful for a photoresist composition, a method for producing the same, and a photoresist composition containing the same are disclosed. According to the present invention, a copolymer of the present invention has excellent transparency at a wavelength of not more than about 250 nm, excellent resolution, excellent sensitivity, dry etching resistance and excellent adhesion to the substrate.

Um grupo do acetal que contêm o copolymer norbornene-baseado útil para uma composição do photoresist, um método para produzir o mesmo, e uma composição do photoresist que contem o mesmo são divulgados. De acordo com a invenção atual, um copolymer da invenção atual tem a transparência excelente em um wavelength não mais do que de aproximadamente 250 nm, definição excelente, sensibilidade excelente, resistência seca gravura a água-forte e adesão excelente à carcaça.

 
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< Norbornene derivative and norbornene polymer obtained therefrom through ring opening polymerization

< Optical information medium and its fabrication process

> Maleimide-photoresist monomers containing halogen, polymers thereof and photoresist compositions comprising the same

> Epoxidized acetals and thioacetals, episulfidized acetals and thioacetals, and reworkable thermosetting resin compositions formulated therefrom

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