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
| 国产精品亚洲片精品88AV | 影音AV二色在线 | 色色色色大片午夜 | 亚洲色图影音先锋 | 欧美成人免费观看aⅤ | 麻豆国产原创最新在线视频 |
| 张北县 | 尼木县 | 万山特区 | 阿克苏市 | 肥东县 | 观塘区 |
| 陆川县 | 社会 | 昭苏县 | 苍梧县 | 邮箱 | 清水县 |
| 宣化县 | 佛冈县 | 大竹县 | 青神县 | 清镇市 | 沁阳市 |
