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    • 4. 发明授权
    • Photosensitive resin composition and circuit substrate employing the same
    • 感光树脂组合物和使用其的电路基板
    • US08026036B2
    • 2011-09-27
    • US11887420
    • 2006-03-24
    • Kiwamu TokuhisaKentaro HayashiHironobu Kawasato
    • Kiwamu TokuhisaKentaro HayashiHironobu Kawasato
    • G03F7/00G03F7/004
    • G03F7/037C08F283/12C08F290/14C08G73/1042C08G73/106C08G73/1075C08G73/1082C08K5/103C08L79/08C08L83/10G03F7/0387H05K3/0023H05K3/4676H05K2201/0154Y10S430/114Y10S430/12Y10S430/121Y10S430/146Y10T428/24802
    • The present invention relates to a photosensitive resin composition excellent in pliability, ultraviolet sensitivity for development, developability with an aqueous alkali solution, and storage stability at room temperature and a circuit substrate employing the same. The photosensitive resin composition includes a siloxane-containing polyamic acid resin having structural units respectively represented by the following formulae (1), (2), and (3) and a photopolymerization initiator incorporated therein. The circuit substrate is coated with the photosensitive resin composition. In the formulae, Ar represents a residue of an aromatic tetracarboxylic acid; R1 represents alkyl group having 1 to 6 carbon atoms or phenyl group; R2 represents alkylene group having 2 to 6 carbon atoms or phenylene group; l represents a number of 0 to 10; R3 represents a divalent group or a direct bond; R4 represents —CH2═CH—R6—, in which R6 represents a direct bond, alkylene group having 1 to 6 carbon atoms, or phenylene group; R5 represents a diamine residue; and m, n, and o, indicating the range of the abundant molar ratios of the respective structural units, are 0.3 to 0.95, 0.05 to 0.7, and 0 to 0.5, respectively.
    • 本发明涉及柔软性,紫外线敏感性,显色性,碱性水溶液的显影性和室温下的保存稳定性以及使用该感光性树脂组合物的电路基板。 感光性树脂组合物包含具有分别由下式(1),(2)和(3)表示的结构单元的含硅氧烷的聚酰胺酸树脂和其中引入的光聚合引发剂。 电路基板用感光性树脂组合物涂布。 式中,Ar表示芳香族四羧酸的残基, R1表示碳原子数为1〜6的烷基或苯基; R2表示碳原子数2〜6的亚烷基或亚苯基; l表示0〜10的数; R3表示二价基团或直接键; R 4表示-CH 2 = CH-R 6 - ,其中R 6表示直接键,具有1至6个碳原子的亚烷基或亚苯基; R5表示二胺残基; m,n,o表示各结构单元的摩尔比的范围分别为0.3〜0.95,0.05〜0.7,0〜0.5的范围。
    • 6. 发明申请
    • Photosensitive Resin Composition and Circuit Substrate Employing the Same
    • 光敏树脂组合物和使用它的电路基板
    • US20090202786A1
    • 2009-08-13
    • US11887420
    • 2006-03-24
    • Kiwamu TokuhisaKentaro HayashiHironobu Kawasato
    • Kiwamu TokuhisaKentaro HayashiHironobu Kawasato
    • B32B3/10G03F7/075
    • G03F7/037C08F283/12C08F290/14C08G73/1042C08G73/106C08G73/1075C08G73/1082C08K5/103C08L79/08C08L83/10G03F7/0387H05K3/0023H05K3/4676H05K2201/0154Y10S430/114Y10S430/12Y10S430/121Y10S430/146Y10T428/24802
    • The present invention relates to a photosensitive resin composition excellent in pliability, ultraviolet sensitivity for development, developability with an aqueous alkali solution, and storage stability at room temperature and a circuit substrate employing the same. The photosensitive resin composition includes a siloxane-containing polyamic acid resin having structural units respectively represented by the following formulae (1), (2), and (3) and a photopolymerization initiator incorporated therein. The circuit substrate is coated with the photosensitive resin composition. In the formulae, Ar represents a residue of an aromatic tetracarboxylic acid; R1 represents alkyl group having 1 to 6 carbon atoms or phenyl group; R2 represents alkylene group having 2 to 6 carbon atoms or phenylene group; l represents a number of 0 to 10; R3 represents a divalent group or a direct bond; R4 represents —CH2═CH—R6—, in which R6 represents a direct bond, alkylene group having 1 to 6 carbon atoms, or phenylene group; R5 represents a diamine residue; and m, n, and o, indicating the range of the abundant molar ratios of the respective structural units, are 0.3 to 0.95, 0.05 to 0.7, and 0 to 0.5, respectively.
    • 本发明涉及柔软性,紫外线敏感性,显色性,碱性水溶液的显影性和室温下的保存稳定性以及使用该感光性树脂组合物的电路基板。 感光性树脂组合物包含具有分别由下式(1),(2)和(3)表示的结构单元的含硅氧烷的聚酰胺酸树脂和其中引入的光聚合引发剂。 电路基板用感光性树脂组合物涂布。 式中,Ar表示芳香族四羧酸的残基, R1表示碳原子数为1〜6的烷基或苯基; R2表示碳原子数2〜6的亚烷基或亚苯基; l表示0〜10的数; R3表示二价基团或直接键; R 4表示-CH 2 -CH-R 6 - ,其中R 6表示直接键,具有1至6个碳原子的亚烷基或亚苯基; R5表示二胺残基; m,n,o表示各结构单元的摩尔比的范围分别为0.3〜0.95,0.05〜0.7,0〜0.5的范围。