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    • 14. 发明申请
    • POLYMERS BLENDS AND THEIR USE IN PHOTORESIST COMPOSITIONS FOR MICROLITHOGRAPHY
    • 聚合物混合物及其在光刻胶组合物中的应用
    • WO0244811A3
    • 2004-09-23
    • PCT/US0143398
    • 2001-11-21
    • DU PONTBERGER LARRY LSCHADT FRANK L III
    • BERGER LARRY LSCHADT FRANK L III
    • G03F7/004G03F7/038G03F7/039H01L21/027
    • G03F7/0382G03F7/0046G03F7/0392G03F7/0395Y10S430/106Y10S430/108Y10S430/111
    • A photoresist composition having (A) at least two polymers selected from the group consisting of: (a) a fluorine-containing copolymer comprising a repeat unit derived from at least one ethylenically unsaturated compound characterized in that at least one ethylenically unsaturated compound is polycyclic; (b) a branched polymer containing protected acid groups, said polymer comprising one or more branch segment(s) chemically linked along a linear backbone segment; (c) fluoropolymers having at least one fluoroalcohol group having the structure:-C(Rf)(Rf')OH wherein Rf and Rf' are the same or different fluoroalkyl groups of from 1 to about 10 carbon atoms or taken together are (CF2)n wherein n is 2 to 10;(d) amorphous vinyl homopolymers of perfluoro(2,2-dimethyl-1,3-dioxole) or CX2=CY2 where X = F or CF3 and Y = H or amorphous vinyl copolymers of perfluoro(2,2-dimethyl-1,3-dioxole) and CX2 = CY2; and (e) nitrile/fluoroalcohol-containing polymers prepared from substituted or unsubstituted vinyl ethers; and (B) at least one photoactive component.
    • 一种光致抗蚀剂组合物,其具有(A)至少两种选自以下的聚合物:(a)包含衍生自至少一种烯属不饱和化合物的重复单元的含氟共聚物,其特征在于至少一种烯属不饱和化合物是多环的; (b)含有保护的酸基团的支化聚合物,所述聚合物包含一个或多个沿着线性主链部分化学连接的支链段; (c)具有至少一个具有以下结构的氟代醇的含氟聚合物:其中R f和R f'为相同或不同的具有1至约10个碳原子的氟代烷基或它们一起为(CF 2) )n其中n为2至10;(d)全氟(2,2-二甲基-1,3-间二氧杂环戊烯)或CX2 = CY2的无定形乙烯基均聚物,其中X = F或CF 3和Y = H或全氟 (2,2-二甲基-1,3-二氧杂环戊烯)和CX2 = CY2; 和(e)由取代或未取代的乙烯基醚制备的含腈/氟代醇的聚合物; 和(B)至少一种光活性组分。