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    • 9. 发明申请
    • PHOTOSENSITIVE COPOLYMER, PHOTORESIST COMPRISING THE COPOLYMER, AND METHOD OF FORMING AN ELECTRONIC DEVICE
    • 包含共聚物的光敏共聚物,光电子体和形成电子器件的方法
    • US20140242521A1
    • 2014-08-28
    • US14186371
    • 2014-02-21
    • ROHM AND HAAS ELECTRONIC MATERIALS LLC
    • Owendi OngayiJames W. ThackerayJames F. Cameron
    • G03F7/038
    • C08F220/10C08F220/30C08F220/32C08F220/36G03F7/0045G03F7/0046G03F7/0392G03F7/0397
    • A copolymer includes the polymerized product of a comonomer and a monomer having the formula (I): wherein c is 0, 1, 2, 3, 4, or 5; Ra is H, F, —CN, C1-10 alkyl, or C1-10 fluoroalkyl; Rx and Ry are each independently an unsubstituted or substituted C1-10 linear or branched alkyl group, an unsubstituted or substituted C3-10 cycloalkyl group, an unsubstituted or substituted C3-10 alkenylalkyl group, or an unsubstituted or substituted C3-10 alkynylalkyl group; wherein Rx and Ry together optionally form a ring; and Rz is a C6-20 aryl group substituted with an acetal-containing group or a ketal-containing group, or a C3-C20 heteroaryl group substituted with an acetal-containing group or a ketal-containing group, wherein the C6-20 aryl group or the C3-C20 heteroaryl group can, optionally, be further substituted. Also described are a photoresist including the copolymer, a coated substrate having a layer of the photoresist, and a method of forming an electronic device utilizing the photoresist.
    • 共聚物包括共聚单体和具有式(I)的单体的聚合产物:其中c为0,1,2,3,4或5; R a是H,F,-CN,C 1-10烷基或C 1-10氟烷基; Rx和Ry各自独立地为未取代或取代的C 1-10直链或支链烷基,未取代或取代的C 3-10环烷基,未取代或取代的C 3-10链烯基烷基,或未取代或取代的C 3-10炔基烷基; 其中Rx和Ry一起可选地形成环; Rz是被含缩醛基团或含缩酮基团取代的C6-20芳基或被含缩醛基团或含缩酮基团取代的C3-C20杂芳基,其中C6-20芳基 基团或C 3 -C 20杂芳基可以任选地被进一步取代。 还描述了包括共聚物的光致抗蚀剂,具有光致抗蚀剂层的涂布基材,以及形成利用该光致抗蚀剂的电子器件的方法。