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    • 4. 发明申请
    • Electrostatic discharge (ESD) protection circuit
    • 静电放电(ESD)保护电路
    • US20060097322A1
    • 2006-05-11
    • US11272570
    • 2005-11-09
    • Kook-Whee KwakSang-Yong Kim
    • Kook-Whee KwakSang-Yong Kim
    • H01L23/62
    • H01L29/7436H01L27/0262H01L29/87
    • An electrostatic discharge (ESD) protection circuit is provided. The ESD protection circuit includes: a first conductivity type substrate; a second conductivity type well region formed in a predetermined portion of the substrate; a gate structure including a gate insulation layer and a gate electrode stacked on a selected surface portion of the substrate and separated from the well region with a predetermined distance; a first conductivity type first diffusion region formed in the well region; a second conductivity type second diffusion region formed beneath another selected surface portion of the substrate contacting one side edge of the gate structure; and a second conductivity type third diffusion region, extending from the other side edge of the gate structure into the well region, and electrically connected to the first diffusion region through a resistor.
    • 提供静电放电(ESD)保护电路。 ESD保护电路包括:第一导电型基板; 形成在基板的预定部分中的第二导电类型阱区; 栅极结构,其包括层叠在所述基板的所选择的表面部分上并以预定距离与所述阱区分离的栅极绝缘层和栅极电极; 形成在所述阱区中的第一导电型第一扩散区; 第二导电类型的第二扩散区,形成在接触栅极结构的一个侧边缘的衬底的另一个选择的表面部分之下; 以及第二导电类型的第三扩散区域,从栅极结构的另一侧边缘延伸到阱区域中,并通过电阻器电连接到第一扩散区域。
    • 7. 发明授权
    • Method for preparing 5-chloromethyl-2-furfural using galactan derived from seaweed in two component phase
    • 使用来自海藻的半乳聚糖在两相组分相中制备5-氯甲基-2-糠醛的方法
    • US08871958B2
    • 2014-10-28
    • US13985019
    • 2012-02-16
    • Jin-Ku ChoSang-Yong KimDo-Hoon LeeBo Ra KimJae-Won Jung
    • Jin-Ku ChoSang-Yong KimDo-Hoon LeeBo Ra KimJae-Won Jung
    • C07D307/46B01J31/02
    • C07D307/46B01J31/0231
    • The present disclosure relates to an acid catalyst composition for producing 5-chloromethyl-2-furfural from galactan derived from seaweed and a method for producing 5-chloromethyl-2-furfural from galactan derived from seaweed on a two component phase using the acid catalyst, the acid catalyst composition for producing 5-chloromethyl-2-furfural from galactan derived from seaweed including organic solvent and dilute hydrochloric acid, a concentration of the dilute hydrochloric acid being 4N to 8N (normal).According to the present disclosure, there is an advantage of converting 5-chloromethyl-2-furfural from galactan derived from seaweed by means of a single process by mixing dilute hydrochloric acid and organic solvent by an optimal ratio, unlike conventional methods for producing 5-chloromethyl-2-furfural that had to go through a multi-phase process of preconditioning and saccharification.
    • 本公开内容涉及用于从海藻衍生的半乳聚糖制备5-氯甲基-2-糠醛的酸催化剂组合物,以及使用酸催化剂在双组分相上从海藻衍生的半乳聚糖制备5-氯甲基-2-糠醛的方法, 由衍生自海藻的半乳聚糖(包括有机溶剂和稀盐酸)生产5-氯甲基-2-糠醛的酸催化剂组合物,稀盐酸的浓度为4N至8N(正常)。 根据本公开内容,与常规的制备5-氯甲基-2-糠醛的方法相比,通过以单一方法通过混合稀盐酸和有机溶剂以最佳比例将来自海藻的半乳聚糖转化为5-氯甲基-2-糠醛的优点, 氯甲基-2-糠醛,必须经过预处理和糖化的多相过程。