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    • 9. 发明授权
    • Pipe-end-connecting joint
    • 管端连接接头
    • US06659510B1
    • 2003-12-09
    • US09383982
    • 1999-08-26
    • Hiroshi IkegamiYasuhiro KikumoriToshihiro NakanishiSusumu OkairiNobuo ShindoTatsuya Machino
    • Hiroshi IkegamiYasuhiro KikumoriToshihiro NakanishiSusumu OkairiNobuo ShindoTatsuya Machino
    • F16L3300
    • F16L33/23F16L21/005F16L25/0036Y10S285/903
    • A pipe-end-connecting joint comprisse a nipple 1 inserted in the pipe end, a holder 2 for tightening the outer circumference of the pipe end, and an elastic packing 3 divided into half parts and attached in the holder 2. The nipple 1 includes a tubular portion 11 provided in one longitudinal end side thereof so as to be inserted in the pipe end, a connection portion 12 provided in the other longitudinal end side thereof so as to be connected to another joint, and a flange portion 13 provided in a longitudinal intermediate portion thereof so as to protrude outward. The holder 2 is divided longitudinally into two split parts 2A and 2B so that each of the two split parts 2A and 2B has an semicircularly formed inner circumferential surface 21, and each of the two split parts 2A and 2B has one longitudinal end side in which one of the half parts of the elastic packing is mounted, and has the other longitudinal end side in which a ring-like groove 23 is formed so as to be fitted to the flange portion 13, and further has a longitudinally intermediate portion between the one and the other longitudinal end sides in which a spiral corrugated portion 22 is formed along the outer circumferential surface of the pipe P, the spiral corrugated portion 22 having a spiral protruding portion 24 an inner diameter of which is smaller than an outer diameter of a trough portion r of the pipe P, the two split parts 2A and 2B having holes for insertion of connection bolts.
    • 管端连接接头包括插入管端的接头1,用于紧固管端外周的保持器2和分成半部分并附接在保持器2中的弹性衬垫3。 一个管状部分11,其设置在一个纵向端侧以插入管端;连接部分12,设置在另一个纵向端侧,以便连接到另一个接头;以及凸缘部分13, 其纵向中间部分向外突出。 保持器2纵向分成两个分割部分2A和2B,使得两个分割部分2A和2B中的每一个具有半圆形的内圆周表面21,并且两个分割部分2A和2B中的每一个分别具有一个纵向端侧,其中, 安装弹性衬垫的一半部分,并且另一个纵向端侧形成有环形槽23,以便与凸缘部分13配合,并且还具有一个纵向中间部分 以及沿着管P的外周面形成有螺旋波纹部22的另一纵向端侧,螺旋形波纹状部22具有内径小于槽P的外径的螺旋形突出部24 管P的部分r,两个分割部分2A和2B具有用于插入连接螺栓的孔。
    • 10. 发明授权
    • Semiconductor device
    • 半导体器件
    • US06376894B1
    • 2002-04-23
    • US09525107
    • 2000-03-14
    • Hiroshi IkegamiKeiichi SasakiNobuo Hayasaka
    • Hiroshi IkegamiKeiichi SasakiNobuo Hayasaka
    • H01L2900
    • H01L23/5258H01L2924/0002H01L2924/00
    • There is provided a semiconductor device in which redundancy fuses formed in an upper layer wiring region can be cut without damaging an underlying Si substrate or adjacent regions. The semiconductor device comprises a lower layer wiring formed within an interlayer insulating film on the Si substrate, and an upper layer metal wiring made of Al, Cu or the like, formed above the lower layer wiring and connected thereto through a via metal, wherein the redundancy fuses are formed in the same wiring layer as the upper layer metal wiring. For cutting a fuse by irradiating with a laser having a wavelength in a range of 1,000 to 1,100 nm and a beam diameter D (&mgr;m), the fuse may be designed to have a film thickness T (&mgr;m) and a width W (&mgr;m) which satisfy T≦(−0.15 (D+2&sgr;)+0.46) exp (2W), where &sgr; (&mgr;m) is an alignment accuracy of the center of the laser beam to the center of the fuse, with the result that the fuse formed in the same wiring layer as the upper layer metal wiring can be cut without damaging the Si substrate, an adjacent fuse and the upper layer metal wiring.
    • 提供了一种半导体器件,其中可以切割形成在上层布线区域中的冗余熔丝而不损坏下面的Si衬底或相邻区域。 半导体器件包括形成在Si衬底上的层间绝缘膜内的下层布线和由Al,Cu等制成的上层金属布线,其形成在下层布线的上方并通过通孔金属连接, 冗余熔丝形成在与上层金属布线相同的布线层中。 为了通过用波长在1000至1100nm的波长和光束直径D(母体)的激光照射来切割熔丝,可以将熔丝设计成具有膜厚T(mum)和宽度W(mum) 其满足T <=( - 0.15(D + 2sigma)+0.46)exp(2W),其中σ(mum)是激光束的中心对熔丝的中心的对准精度,结果是熔丝 形成在与上层金属布线相同的布线层中,不会损坏Si基板,相邻的熔丝和上层金属布线。