介绍了微电子镀覆在半导体和IC封装、凸点制作、多芯片组件以及微电子机械系统中的应用。
This article describes the application of microelectronic plating in manufacture of semiconductor, IC packaging, micro-bumps, multichip modules and microelectronics mechanical systems.
实验通过选择性地对涂敷在CCL基板上的钎料进行激光加热并熔化,最后形成焊料凸点矩阵。
The experiment is conducted by selective laser heating and melting the thin solder layer and then preprinting it on CCL in order to form the matrix with solder pads.
详细阐述了CSP的几项主要的关键技术:即结构设计技术,凸点制作技术,包封技术和测试技术。
We particularly expatiated some key technology about CSP: structure designing technology, Solder Bumping making technology, envelopment technology, testing technology.
着重介绍了电镀金、金锡、锡铅、锡银和化学镀镍凸点的工艺过程,最后简单介绍了制备凸点的电镀设备。
Electroplating processes of Au, Au-Sn, Sn-Pb, Sn-Ag and chemical nickel-plated bumpings are described in particular. And finally, electroplating equipments for bumping formation are introduced.
介绍了激光重熔在面阵列封装钎料凸点成形中的研究进展,并且对PBGA共晶钎料球激光重熔进行了工艺研究。
Research status of laser reflow on solder bump forming of area array packages are introduced, and experimental analysis on laser reflow of PBGA solder ball is performed.
欧盟员说,大约100名高级工人米利诺·基特厂将行使自己的“凸点”的权利和接管阵地在轧机在东米利诺·基特。
Union officials say that approximately 100 senior workers at the Millinocket mill will exercise their "bumping" rights and take over positions at the mill in East Millinocket.
并对两种制备方法做了比较,在分析了制作的凸点的质量后,认为经过改进的蒸发结合光刻法可以制作高质量的阵列凸点。
The analysis of the quality of the bumps fabricated by using these two methods shows that the improved evaporation plus lithography method can be used to fabricate bumps with high quality.
本文主要论述了MCM工艺过程及多芯片组装技术中的C4技术。并对M CM种类、MCM关键工艺、M CM凸点的制作方法等做了简单介绍。
This paper described the C4 fabrication of Multi-chip-modules and the MCM process, and also described the key point of MCM technology, the variety of MCM, the bump fabrication methods.
泄漏发生后对黄石河造成污染的区域包括北美凸鲈、低音鲶鱼、鲱鱼和鲑鱼,而且在更远一点的下游,麦尔斯城的下方,还有当地特有的浅色鲟鱼。
The stretch of the Yellowstone where the spill occurred contains sauger, bass catfish, goldeye, trout and, farther downstream, below Miles City, native pallid sturgeon.
点,如果在点的一侧是凹的,而在的另一侧是凸的。
Of if is concave up on one side of and concave down on the other side.
具体地,对于平面上的任意一组点,请构造出对应的凸包,并在经过编码转换之后输出所有极点的信息。
Specifically, given a set of points in the plane, please construct the convex hull and output an encoded description of all the extreme points.
最后,在较弱的假设条件下,讨论了G -凸空间中的重合点组定理与极大极小组定理,从而推广了近期文献的相关结论。
At last, we establish systems of coincidence theorem and system of minimax theorems in G-convex under weaker assumptions. Our results generalize the corresponding results in recent literature.
本文对于2 -距离空间引入了凸结构的概念,并由此得到一类非扩张映象的不动点存在定理。
In this paper we present a convex structure for 2-metric Spaces, and from this we get a fixed point theorem for a kind of nonexpansive mappings.
在局部凸空间上利用严有效性的纯量化特征,研究严有效点的截口性质及稠密性质。
Using scalar characterization of a strictly efficient point in Locally convene Spaces, we study the section property and the density of strictly efficiency.
并提出对给定的凸而单调的型值点列判断这种保形插值存在性的算法。
An algorithm is presented which determines if there exists such a shape preserving interpolation for convex and increasing data points given.
因此,点态凸性的研究有重要的意义。
Therefore, the research of pointwise properties showed the great significance.
对如何测量角点凸性进行了详细介绍。
在局部凸线性拓扑空间中引入可凹点的概念,并讨论其性质。
This paper introduces the notion of denting points in locally convex spaces and discusses its properties.
我不想练出那种凸凸的肌肉,我只是想感觉舒服一点,出点汗,让心脏更加健康。
I don't want to have bulgy muscles, I just want to feel good, sweat a lil, get my heart healthy!
从极点出发的搜索方向是该点处所有下降棱方向的一种凸组合。
The direction of search starting from an extreme point is a convex combination of all descent directions along the edges at the point.
即证明了每一上半连续非空紧凸值集值映射至少存在一个该映射不动点集的极小连续本质集,以及该极小连续本质集是连通的。
It is proved that there exist at least one minimal continuously essential set of fixed points, and the minimal continuously essential set is connected.
提出了一种计算海量平面点集凸壳的快速近似算法——点集坐标旋转法(PSCR)。
The paper presents an efficient approximate algorithm for Convex Hull of very large planar point set. That is Point Set Coordinate Rotation Algorithm(PSCR).
给出了赋范共轭空间的点与(紧)凸集、紧凸集之间被原空间中的点分隔的定理。
It is shown that a point and a (compact) convex set are separated in this paper, and two compact convex sets are separated by a point of the original space in normed dual space.
本文给出了四点法的一个保凸算法。
In this paper, we give a convexity-preserving algorithm of the four - point scheme.
本文构造了一个新的求解非凸区域上不动点问题的内点同伦算法,并在弱法锥见定义2。
In this paper we construct a new interior-point homotopy method for solving fixed-point problem in nonconvex set, and prove the convergence under the weak normal cone condition see Definition 2.
第二个算法不断删去多边形的凹点及新产生的凹点,最后得到凸壳顶点序列。
The second algorithm is that polygonal concave points and newly created concave points are continuously removed, and a vertex sequence of the convex hull is finally obtained.
本文研究了凸域内两点间的平均距离公式,利用广义支持函数的方法分别求出了圆、矩形、椭圆域内两点间的平均距离,并给出了具体的求解过程。
By using the generalized support function, we reckon the mean distance of two points of circle, rectangle and ellipse, and deduct the idiographic process.
提出了一种基于有序简单多边形的平面点集凸包快速求取的改进算法,新的算法能够避免极值点重合的问题。
This paper improves the fast convex hull algorithm of planar point set based on sorted simple polygon.
本文给出2 -赋范空间一致凸、一致正规结构、正规结构概念,指出这类空间具有不动点性质。
This paper introduces the concepts of uniform convex, uniformly normal structure and normal structure for 2-normed Spaces. It is proved that for such Spaces, the fixed point property holds.
本文给出2 -赋范空间一致凸、一致正规结构、正规结构概念,指出这类空间具有不动点性质。
This paper introduces the concepts of uniform convex, uniformly normal structure and normal structure for 2-normed Spaces. It is proved that for such Spaces, the fixed point property holds.
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