ID |
原文 |
译文 |
41086 |
优选出兼顾加工质量与效率的工艺参数区间,即能量密度10~14J/cm~2,扫描速度20~30mm/s。 |
Considering the processing quality and efficiency, the optimized parameters of energy density of 10~14 J/cm2 and scanning speed of 20~30 mm/s were selected. |
41087 |
基于此,以螺旋扫描轨迹于AlN陶瓷上进行制孔应用,成功实现了无崩边及微裂纹等缺陷的圆孔、方孔及跑道孔加工。 |
Based on this, the spiral scanning track was applied to drill holes on AlN ceramic. The round, square and runway holes without micro-crack and edge chipping were successfully realized. |
41088 |
该研究验证了飞秒激光加工高质量多孔型的可行性, |
This study verifies the possibility of femtosecond laser processing high-quality holes with multi-shapes. |
41089 |
推动了硬脆材料激光制孔技术在半导体功率器件领域的应用。 |
It promotes the application of laser drilling technology for hard and brittle materials in the field of semiconductor power devices. |
41090 |
针对基于物理气相输运法的碳化硅(SiC)单晶生长系统,考虑对流换热的影响建立了传热与传质数学模型, |
Considering the influence of convective heat transfer, a mathematical model of heat and mass transfer was established for the growth system of large-size SiC single crystal based on physical vapor transport method. |
41091 |
并采用数值模拟的方法研究了其生长系统内的温度场与气相流场。 |
The distribution of temperature field and gas phase flow field in the growth system was studied by numerical simulation. |
41092 |
研究表明:坩埚内温度、温度梯度以及加热效率随线圈匝间距与线圈直径的增加而逐渐降低。 |
The results show that the temperature, temperature gradient and heating efficiency in the crucible will gradually decrease with the increase of coil turn spacing and coil diameter. |
41093 |
旋转坩埚可有效解决因线圈螺旋形状而导致的温度场不均匀性。 |
The rotating crucible can effectively solve the non-uniformity of temperature field caused by the coil spiral shape. |
41094 |
通过不断调整线圈与坩埚之间的相对高度,可保证高品质晶体生长所需的最优温度场环境。 |
By continuously adjusting the relative position between the coil and the crucible, the optimal temperature field environment for high quality crystal growth can be ensured. |
41095 |
此外,坩埚内径尺寸的增加,会加剧其内部自然对流效应。 |
In addition, the increase of the inner diameter of the crucible will aggravate the natural convection effect. |