ID |
原文 |
译文 |
42546 |
具有系统结构简单、成本低、集成度高的优点。 |
It has the advantages ofsimple system structure, low cost and high integration. |
42547 |
研究了单面抛光中有蜡贴片工艺对抛光后 4 英寸 ( 1 英寸= 2. 54 cm) SiC 晶片总厚度变化 ( TTV) 和翘曲度的影响。 |
The influences of wax mounting process in single side polishing on the total thickness variation (TTV) and warpage of the 4-inch (1 inch = 2.54 cm) SiC wafer after polishing were studied. |
42548 |
分别选择固体蜡和液体蜡进行贴片实验,采用平面度测量仪检测加工前后晶片的 TTV 和翘曲度,采用数显千分表测量贴片及单面抛光后晶片表面 5 点厚度的变化。 |
The mounting experiments were carried out by using solid wax and liquid wax, respectively.TTV and warpageof the wafers before and after processing were measured by using a flatness measuring instrument, and the thickness variation of five points on wafers was measured by using a digital display dial gauge after mounting and single side polishing. |
42549 |
发现采用液体蜡贴片时,加工晶片的 TTV 较好,蜡层的均匀性是影响晶片 TTV 的主要原因, |
It is found that the TTV of the wafers is better when mounting by liquid waxand the uniformity of the wax layer is the chief factor affecting the TTV of wafers. |
42550 |
蜡层厚度均匀性差会使晶片 TTV 变差,同时也会使晶片发生不规则的形变。 |
Poor thickness uniformity of the wax layer may make the TTV of the wafers worse and also cause irregular deformation of the wafer. |
42551 |
并且分析了旋涂参数对液体蜡蜡层均匀性的影响。 |
The influence of spin parameters on the uniformity of the liquid wax layer was analyzed. |
42552 |
结果表明,在滴蜡时间为 2. 3 s、低速旋转速度为 700 r /min、低速旋转时间为 6 s、高速旋转速度为 3 000 r /min、高速旋转时间为 7 s 的条件下,贴片表面 5 个点的厚度偏差小于 2 μm,加工晶片的 TTV 小于 5 μm。 |
The results show that the thickness deviation of the five points on the wafer surface after mounting is less than 2 μmand the TTV of the processing wafer is less than 5 μm under the conditions of the dispensing time of2.3 s, low-speed rotation speed of 700 r /min, low-speed rotation time of 6 s, high-speed rotation speedof 3 000 r /min and high-speed rotation time of 7 s. |
42553 |
碳化硅 ( SiC) 雪崩光电二极管 ( APD) 固态紫外 ( UV) 探测器在很多领域具有重要的潜在应用价值。 |
Silicon carbide (SiC) avalanche photodiode (APD) -based solid-state ultraviolet (UV)detectors are of very importance in many potential applications. |
42554 |
针对 4H-SiC APD 阵列目前面临的像元良率较低和击穿电压一致性差等问题,基于吸收电荷倍增分离结构,设计制备了一款 4×4 的 4H-SiC APD 阵列芯片, |
To solve the problems of low pixel yieldand low uniformity of the breakdown voltage for 4H-SiC APD arrays, a 4×4 4H-SiC APD array chip wasdesigned and fabricated based on the separate absorption charge multiplication epi-structure. |
42555 |
并对其紫外探测性能和阵列像元的一致性进行了测试与分析。 |
In addition, the UV detection performance of the array chips and the uniformity of pixels in the array were tested andanalyzed. |