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    • 6. 发明授权
    • Resin composition for sealing optical device, cured product thereof, and method of sealing semiconductor element
    • 用于密封光学元件的树脂组合物,其固化产物,以及密封半导体元件的方法
    • US07550204B2
    • 2009-06-23
    • US11586564
    • 2006-10-26
    • Hisashi ShimizuToshio ShiobaraTsutomu Kashiwagi
    • Hisashi ShimizuToshio ShiobaraTsutomu Kashiwagi
    • B32B9/04C08G77/18
    • C08L83/04C08G77/14C08G77/18C08G77/20C08G77/70C08J7/047C08J2483/00C08K5/0091H01L23/296H01L2924/0002Y10T428/31663H01L2924/00
    • The present invention provides a composition for sealing an optical device comprising (i) a silylated organopolysiloxane with a polystyrene equivalent weight average molecular weight of 5×104 or greater, represented by an average composition formula: R1a(OX)bSiO(4−a−b)/2 (wherein, R1 represents an alkyl group, alkenyl group, or aryl group; X represents a combination of a group represented by a formula —SiR2R3R4 (wherein, RE to R4 are monovalent hydrocarbon groups), and an alkyl group, alkenyl group, alkoxyalkyl group or acyl group; a represents a number within a range from 1.00 to 1.5; b represents a number that satisfies 0 b 2, and a+b satisfies 1.00 a+b 2), and (ii) a condensation catalyst, as well as a transparent cured product obtained by curing the composition, and a method of sealing a semiconductor element that comprises a step of applying the composition to a semiconductor element, and a step of curing the composition that has been applied to the semiconductor element. The composition can form a coating film that exhibits excellent levels of heat resistance, ultraviolet light resistance, optical transparency, toughness and adhesion.
    • 本发明提供了一种用于密封光学装置的组合物,其包含(i)聚苯乙烯换算的重均分子量为5×10 4或更大的甲硅烷基化有机聚硅氧烷,其平均组成式为:<?in-line-formula description =“In- 线形式“end =”lead“→> R1a(OX)bSiO(4-ab)/ 2 <?in-line-formula description =”In-line Formulas“end =”tail“?>(其中,R1表示 烷基,烯基或芳基; X表示由式-SiR 2 R 3 R 4表示的基团(其中,RE至R 4为一价烃基)和烷基,烯基,烷氧基烷基或酰基的组合; 表示在1.00〜1.5的范围内的数字; b表示满足0 b 2的数,a + b满足1.00 a + b 2),(ii)缩合催化剂,以及由 固化组合物,以及密封半导体元件的方法,其包括施加组合物的步骤 涉及半导体元件,以及固化已经施加到半导体元件上的组合物的步骤。 该组合物可以形成表现出优异的耐热性,耐紫外线性,光学透明性,韧性和粘附性的涂膜。