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    • 7. 发明授权
    • Vinyl 4-t-butoxycarbonyloxybenzal-vinyl 4-hydroxybenzal-vinyl alcohol-vinyl acetate copolymer
    • 乙烯基4-叔丁氧基羰氧基苯甲醛 - 乙烯基4-羟基苯甲醛 - 乙烯醇 - 乙酸乙烯酯共聚物
    • US06559228B2
    • 2003-05-06
    • US09813307
    • 2001-03-21
    • Jin Baek KimHyun Woo Kim
    • Jin Baek KimHyun Woo Kim
    • C08F11606
    • C08F8/28C08F8/48C08F16/06
    • There is a vinyl 4-hydroxybenzal-vinylalcohol-vinyl acetate copolymer, a 4-t-butoxycarbonyloxybenzal-vinyl alcohol-vinyl acetate copolymer and a vinyl 4-t-butoxycarbonyloxybenzal-vinyl 4-hydroxybenzal-vinyl alcohol-vinyl acetate copolymer suitable for photoresist and methods for preparing the same. The latter two polymers contain 4-hydroxybenzal groups all or parts of which are protected with t-butoxycarbonyl group. Superior in transparency, thermal stability, mechanical strength, and adhesiveness to silicon wafer, the photoresists prepared from the protected copolymers can enhance the resolution of fine circuit by virtue of low weight loss upon the thermal treatment after exposure.
    • 有4-羟基苯甲醛 - 乙烯醇 - 醋酸乙烯酯的共聚物,4-叔丁氧羰基氧基苯甲醛 - 乙烯醇 - 乙酸乙烯酯共聚物和适用于光刻胶的4-叔丁氧羰基氧基苯甲醛 - 乙烯基4-羟基苯甲醛 - 乙烯醇 - 及其制备方法。 后两种聚合物含有全部或部分被叔丁氧基羰基保护的4-羟基苯甲酰基。 透明度,热稳定性,机械强度和与硅片的粘合性优异,由保护的共聚物制备的光致抗蚀剂可以通过曝光后的热处理的低重量损失增强精细回路的分辨率。
    • 8. 发明授权
    • Vinyl 4-t-butoxycarbonyloxbenzal-vinyl alcohol-vinylacetate copolymer and preparation method thereof
    • 乙烯基4-叔丁氧羰基氧基苯乙烯 - 乙烯醇 - 乙酸乙烯酯共聚物及其制备方法
    • US06235836B1
    • 2001-05-22
    • US08757262
    • 1996-11-27
    • Jin Baek KimHyun Woo Kim
    • Jin Baek KimHyun Woo Kim
    • C08F21606
    • C08F8/28C08F8/48C08F16/06
    • There is a vinyl 4-hydroxybenzal-vinylalcohol-vinyl acetate copolymer, a 4-t-butoxycarbonyloxybenzal-vinyl alcohol-vinyl acetate copolymer and a vinyl 4-t-butoxycarbonyloxybenzal-vinyl 4-hydroxybenzal-vinyl alcohol-vinyl acetate copolymer suitable for photoresist and methods for preparing the same. The latter two polymers contain 4-hydroxybenzal groups all or parts of which are protected with t-butoxycarbonyl group. Superior in transparency, thermal stability, mechanical strength, and adhesiveness to silicon wafer, the photoresists prepared from the protected copolymers can enhance the resolution of fine circuit by virtue of low weight loss upon the thermal treatment after exposure.
    • 有4-羟基苯甲醛 - 乙烯醇 - 醋酸乙烯酯的共聚物,4-叔丁氧羰基氧基苯甲醛 - 乙烯醇 - 乙酸乙烯酯共聚物和适用于光刻胶的4-叔丁氧羰基氧基苯甲醛 - 乙烯基4-羟基苯甲醛 - 乙烯醇 - 及其制备方法。 后两种聚合物含有全部或部分被叔丁氧基羰基保护的4-羟基苯甲酰基。 透明度,热稳定性,机械强度和与硅片的粘合性优异,由保护的共聚物制备的光致抗蚀剂可以通过曝光后的热处理的低重量损失增强精细回路的分辨率。
    • 10. 发明授权
    • Fan guard and outdoor unit for air conditioner having the same
    • 具有相同空调的风扇护罩和室外机
    • US08137059B2
    • 2012-03-20
    • US12222452
    • 2008-08-08
    • Jin Baek KimHyun Seok JungJun Young LeeJung Hyeon KimHyun Ho Park
    • Jin Baek KimHyun Seok JungJun Young LeeJung Hyeon KimHyun Ho Park
    • F03B11/08F03B1/00F01D5/00F04D29/70B63H7/00
    • F24F1/38F04D29/703F24F1/40F24F1/48F24F1/50
    • An outdoor unit for an air conditioner is disclosed. The outdoor unit according to the present invention comprises a housing which has an air inlet and an air outlet, a ventilation fan rotatably mounted in the housing, and a fan guard connected to the housing to cover the air outlet. Here, the fan guard comprises a plurality of closed ribs arranged sequentially and concentrically between a center and an outline thereof, and a plurality of radial ribs arranged in radial directions to interconnect the plurality of closed ribs, in such a manner that some of the closed ribs, which are disposed at intermediate positions near tips of the ventilation fan, are at a further distance from the ventilation fan than the other closed ribs, which are disposed near the center and the outline. Accordingly, since the fan guard is convexly raised at a position corresponding to the tips of the ventilation fan, thereby guaranteeing a predetermined space between the fan guard and the tips where the airflow is fastest, the flow resistance and the flow-induced noise can be reduced.
    • 公开了一种用于空调的室外机。 根据本发明的室外机包括具有空气入口和空气出口的壳体,可旋转地安装在壳体中的通风扇和连接到壳体以覆盖空气出口的风扇防护罩。 这里,风扇防护罩包括顺序并同心地布置在其中心和轮廓之间的多个封闭肋,以及沿径向布置的多个径向肋,以使多个封闭肋互相连接,使得一些闭合 设置在通风扇的顶端附近的中间位置处的肋与设置在中心和轮廓附近的其它封闭肋相比距离通风扇更远。 因此,由于风扇护罩在与通气风扇的前端相对应的位置处凸起地升高,所以能够确保风扇防护件与气流最快的端部之间的预定空间,所以流动阻力和流动感应噪声可以是 减少