应力是导致焊球失效的直接原因，进而致使器件失效。
The stress is the direct cause to lead to solder balls failure, which causes microelectronic devices damage.
本文介绍了用于高速光电组件的表面安装型焊球阵列（BGA）封装技术。
Surface mount BGA Packaging Technology for high-speed Optoelectronic modules is described in this paper.
介绍了芯片倒装焊的重要意义、发展趋势、基本的焊球类型、制作方法及焊球质量的检测技术。
This paper introduces the forward trends of flip chip bonding, the essential kinds of bumps, fabrication technology and testing technology about qualities.
激光植球的优势在于它的柔性，它适宜于中小批量BGA的生产与个别焊球的修复，不过目前还没有投入大规模的应用。
Laser bumping is advantageous for its flexibility especially when used for individual solder ball rework and small or medium production of BGA packages, yet it hasn't been vastly applied presently.
他刚刚演示完势能如何转换成动能，球飞越讲台，将他焊在墙上的镜子击破。
He has just demonstrated how potential energy turns into kinetic energy by sending the ball flying across the stage, shattering a pane of glass he had bolted to the wall.
若收球筒内泥沙、焊渣等杂物总体积不超过5升，清管合格。
If the ball within the cylinder sediment, and welding slags sundry total volume in not more than 5 litre, pigging qualified.
丝焊方法，半导体器件，丝焊的毛细管及球块形成方法。
Wire bonding method, semiconductor device, capillary for wire bonding and ball bump forming method.
统计分析了焊接缺陷主要是表现为锡球断路、焊锡过流、锡球分布不对称以及烧焦和锡溅，主要受锡球大小、焊盘相对位置以及有关加工参数的影响。
By statistical analysis, the defects are tin-ball short, overflowing, dissymmetry, splash and scorch, which are mainly affected by the tin-ball size, pad positions, and process parameters .
镍铁，强度高、塑性好。重要灰铸铁及球铁焊补用，如汽缸盖。
Iron nickel high strength and excellent ductility. Repair welding of important gray cast iron and nodular cast iron such as cylinder cap.
本衬垫适用于各种球扁钢对接接头CO2气保护单面焊用。
This backing is uesd for CO2 one-side welding of bulb steel.
镍铁，强度高、塑性好。重要灰铸铁及球铁焊补用，如汽缸盖。
Iron nickel, high strength and excellent ductility. Repair welding of important gray cast iron and nodular cast iron, such as cylinder cap.
密封面均喷焊硬质合金，具有防腐、耐磨、耐冲蚀等优点，使用寿命长、可通毛球清扫管线等特点；
Sealing surfaces are spray carbide, with corrosion, abrasion, erosion, etc. , long life, can pass the ball clean wool pipeline and other characteristics;
钢结构系列：钢结构用高强度大六角头螺栓，扭剪型螺栓连接副，钢网架球节点用高强度螺栓，焊钉，钻尾丝等。
Steel Series: steel with high strength large hexagon head bolts, torsion shear bolt connections made, the steel truss joints of high strength bolts, studs, drill the end of wire.
将焊有球头的管子与外螺纹接头中心相对，旋转螺母使其自动对中心后，敲击螺母使螺母旋紧。
Make the pipes with button head align with the joints of external thread, rotate the nut and make it align to the center, knock the nut and screw up the nut.
将焊有球头的管子与外螺纹接头中心相对，旋转螺母使其自动对中心后，敲击螺母使螺母旋紧。
Make the pipes with button head align with the joints of external thread, rotate the nut and make it align to the center, knock the nut and screw up the nut.
应用推荐