Type of vacuum heat treatmentVacuum annealing: eliminate and reduce the heterogeneity of tissue, remove internal stress and improve its plasticity.Vacuum tempering: eliminates internal stress during machining.Vacuum quenching :(gas quenching, oil quenching) fast cooling after heating to harden the m
Type of vacuum heat treatmentVacuum annealing: eliminate and reduce the heterogeneity of tissue, remove internal stress and improve its plasticity.Vacuum tempering: eliminates internal stress during machining.Vacuum quenching :(gas quenching, oil quenching) fast cooling after heating to harden the m
READ MORETo solve the problem of liquid cooling when 3D chips stack, the defense advanced research projects agency (DARPA), in collaboration with IBM and the Georgia institute of technology, has developed an in-chip/inter-chip enhanced cooling program that USES an insulating dielectric refrigerant (instead o
To solve the problem of liquid cooling when 3D chips stack, the defense advanced research projects agency (DARPA), in collaboration with IBM and the Georgia institute of technology, has developed an in-chip/inter-chip enhanced cooling program that USES an insulating dielectric refrigerant (instead o
READ MOREThis paper respectively from the IGBT chip structure, the structure of the collector area on the back and front MOS structure, the system analyzes the technology present situation and the characteristics of high power IGBT chip, from two aspects of chip welding and the electrode interconnection comp
This paper respectively from the IGBT chip structure, the structure of the collector area on the back and front MOS structure, the system analyzes the technology present situation and the characteristics of high power IGBT chip, from two aspects of chip welding and the electrode interconnection comp
READ MOREWith the development of semiconductor chip technology and optical technology, the output power of semiconductor lasers has been continuously improved, the beam quality has been significantly improved, and more applications have been obtained in the industrial field.At present, the output power and b
With the development of semiconductor chip technology and optical technology, the output power of semiconductor lasers has been continuously improved, the beam quality has been significantly improved, and more applications have been obtained in the industrial field.At present, the output power and b
READ MORE
| 国产成人AV黄色大片 | 午夜性色一区二区三区不卡视频 | wwwcn日本AⅤ小说 | 国产偷亚洲偷欧美偷精品 | a4yy午夜福利视频无码app | 国产日韩欧美在线 |
| 新巴尔虎右旗 | 宜兴市 | 乡宁县 | 兰溪市 | 南陵县 | 灵武市 |
| 尼勒克县 | 鄄城县 | 通山县 | 辽阳市 | 福贡县 | 白玉县 |
| 林周县 | 徐水县 | 张家界市 | 青田县 | 西城区 | 南城县 |
