查询词典 warpage

At present the researches on warpage mainly concentrate on warpage theory and adjusting of injection process parameters.

目前对于翘曲变形的研究主要集中在对翘曲变形的形成理论研究和对注塑工艺参数的优化控制上。

As seen in Table 3, warpage values vary on the lamp base.

依照被看见在表3， warpage 价值变化在灯基地。

Therefore, maximum warpage value of all reference points is adopted as the warpage value ofthewhole model in this study.

所以， 所有参考点的最大warpage 价值被采取作为warpage 价值ofthewhole 模型在这项研究中。

Stages of the warpage optimization are explained in detail in the following sections.

warpage最佳化的阶段在下列各项区段中被详细地解释。

However, in production process, if warpage occurs, it is difficult to eliminate warpage only by adjusting injection process parameters.

而在实际生产过程中，如果制品出现了严重的翘曲变形，仅仅通过调整注塑工艺参数往往是不能取得良好的效果的。

Study the warpage of the product and put compensate on mould to defeat the warpage.

学习研究陶瓷件的变形，并把预变形的补偿计算到模具里面。

A predictive model for warpage is then created using feed forward artificial neural network exploiting FE analysis results.

一个预言性的模型为warpage然后被产生使用饲养向前的人造神经的网络开发 FE 分析结果。

This embodiment will illustrate that the present invention of the (poly trimethylene terephthalate) PTT laminated film performs better than its PET counterpart in terms of vapor impermeability, flexibility and warpage; its vapor impermeability is about equal to a TPT back sheet, while flexibility and warpage are better than TPT back sheet.

本实施例说明本发明聚对苯二甲酸丙二醇酯薄膜复合成的叠层膜的抗水汽渗透性、挠性和翘曲度优于多层聚对苯二甲酸乙二醇酯薄膜复合形成的叠层膜，抗水汽渗透性与TPT背板基本相当，挠性和翘曲度优于TPT背板。

For wire bonding,we got methods to avoid low-k material layer crack and IMC crack by gold wire selection,capillary design optimization,and wire bonding process window study;Wire sweep issue was declined,after use reverse wire bonding technology to get low wire loop,define high wire loop and low wire loop between neighbour wires to reduce wire cross and split transfer course into several segments by different transfer speed to control mold flow;For molding and to different packages,as a physical method,add suitable presser during different cure process,it can reduce warpage value;As chemical methods,optimized component of molding compound or added flexiblier,it can decline thermal stress and warpage.

在引线键合方面，通过对不同纯度金线的选择、劈刀设计的优化、以及对引线压焊工艺窗口的研究，找到了可降低焊盘碎裂，金铝间化合物分层等问题的方法；通过使用反向压焊来控制线线弧高度和在邻近线间使用高(来源：A7aB4848C论文网www.abclunwen.com)低线弧来控制线弧以及模塑注塑速度细分化的方法，有效降低了冲线值；在模塑方面，针对不同封装形式，通过封装模块在烘烤过程中优化外加压力的时机，利用物理方法有效减低了翘曲；此外从化学角度出发，通过对模塑材料配方的优化以及添加应力释放剂，有效降低了封装内的热应力，减小了封装模块的翘曲。

In order to control the warpage of Fresnel lens in micro-injection molding process, the model of non-linear relationship between the injection process parameters and the maximal warpage of Fresnel lens was established through the support vector machine.

为了控制菲涅尔透镜在注塑过程中的翘曲变形量，采用支持向量机算法建立了菲涅尔透镜的翘曲预测模型，并对该模型的预测精度进行了研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。