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    • 1. 发明申请
    • ELECTRICALLY PROGRAMMABLE FUSE STRUCTURES WITH NARROWED WIDTH REGIONS CONFIGURED TO ENHANCE CURRENT CROWDING AND METHODS OF FABRICATING THEREOF
    • 电气可编程的保险丝结构,具有配置为提高电流消耗的窄幅区域及其制作方法
    • US20080050903A1
    • 2008-02-28
    • US11876942
    • 2007-10-23
    • Roger BOOTHJack MandelmanWilliam Tonti
    • Roger BOOTHJack MandelmanWilliam Tonti
    • H01L21/44
    • H01L23/5256H01L2924/0002H01L2924/00
    • Electrically programmable fuse structures and methods of fabrication thereof are presented, wherein a fuse includes first and second terminal portions interconnected by an elongate fuse element. The first terminal portion has a maximum width greater than a maximum width of the fuse element, and the fuse includes a narrowed width region where the first terminal portion and fuse element interface. The narrowed width region extends at least partially into and includes part of the first terminal portion. The width of the first terminal portion in the narrowed region is less than the maximum width of the first terminal portion to enhance current crowding therein. In another implementation, the fuse element includes a restricted width region wherein width of the fuse element is less than the maximum width thereof to enhance current crowding therein, and length of the restricted width region is less than a total length of the fuse element.
    • 提出了电可编程熔丝结构及其制造方法,其中熔丝包括通过细长的熔丝元件互连的第一和第二端部。 第一端子部分具有大于熔丝元件的最大宽度的最大宽度,并且熔丝包括第一端子部分和熔丝元件接合的变窄的宽度区域。 狭窄宽度区域至少部分地延伸并包括第一端子部分的一部分。 变窄区域中的第一端子部分的宽度小于第一端子部分的最大宽度,以增强其中的电流拥挤。 在另一实施方式中,熔丝元件包括限制宽度区域,其中熔丝元件的宽度小于其最大宽度以增强其中的电流拥挤,并且受限宽度区域的长度小于熔丝元件的总长度。