ID |
原文 |
译文 |
41706 |
因此通过能量变化来分析底部填充过程以避免平均毛细压的计算。 |
Therefore, the underfill process was analyzed through the energychanges to avoid the calculation of the average capillary pressure. |
41707 |
首先分析了底部填充过程中表面能的变化、动能的变化和流道壁面对流动的阻力损耗; |
Firstly, the changes of surface energyand kinetic energy, and the resistance loss of the flow channel wall to the flow during the underfillprocess were analyzed. |
41708 |
然后根据能量守恒定律得到了反映底部填充过程的新解析模型; |
Then, a new analytical model reflecting the underfill process was obtainedaccording to the law of energy conservation. |
41709 |
最后用计算流体力学( CFD) 软件对底部填充过程进行了三维数值模拟,以此验证了基于能量法的新解析模型。 |
Finally, the three-dimensional numerical simulation of theunderfill process was carried out using computational fluid dynamics (CFD) software to verify the newanalytical model based on the energy method. |
41710 |
能量法更具有通用性,可用于研究焊点形状和排列方式复杂的倒装芯片底部填充过程。 |
The energy method is more general and can be used tostudy the underfill process of flip-chip with complex solder bumps shapes and arrangements. |
41711 |
提出采用自隔离散热技术解决大功率倒装单片集成 LED 芯片散热与绝缘之间的矛盾问题。 |
The self-isolation heat dissipation technology was proposed to solve the contradiction between heat dissipation and insulation of high power flip-chip monolithically integrated LED chip. |
41712 |
基于自隔离散热技术原理,利用微纳加工技术,通过在 AlN 陶瓷基板上生长隔离金属岛制备自隔离散热基板。 |
Based onthe principle of self-isolation heat dissipation technology, the self-isolation heat dissipation substrate wasprepared by growing isolated metal islands on the AlN ceramic substrate using micro-nano fabricationtechnology. |
41713 |
采用多胞串并联网络结构设计大功率倒装单片集成 LED 芯片,芯片尺寸为1.5 mm×4. 5 mm。 |
The high power flip-chip monolithically integrated LED chips were designed using multi-cellseries and parallel structures, and the chip size was 1. 5 mm × 4. 5 mm. |
41714 |
在 200 mA 的驱动电流下,大功率倒装单片集成 LED 芯片的正向电压为8.3 V,反向漏电流小于 100 nA。 |
At the driving current of 200 mA, the forward voltage of the high power flip-chip monolithically integrated LED chip is 8. 3 V, and the reverse leakage current is less than 100 nA. |
41715 |
当输入电流为 2 A 时,大功率倒装单片集成 LED 芯片的输入功率为 20 W,其最大光输出功率为 8. 3 W,插墙效率为 42. 08%,峰值热阻约为1.23 K/W,平均热阻约为 1. 17 K/W。 |
When the input current is 2 A, the input power ofthe high power flip-chip monolithically integrated LED chip is 20 W, and the maximum optical outputpower of the chip is 8. 3 W, the wall-plug efficiency can reach 42. 08%, the maximum thermalresistance is about 1. 23 K/W and the average thermal resistance is about 1. 17 K/W. |