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
| 欧美高清视频www夜色资源网 | 亚洲欧美日韩中文字幕在线不卡 | 亚洲成人色九月 | 久久久久久中文字幕 | 免费国产a国产片高清网站 | 欧美a一级亚洲专区区免费 |
| 佛山市 | 泰宁县 | 麻栗坡县 | 镇沅 | 宁国市 | 津南区 |
| 岳西县 | 疏附县 | 前郭尔 | 扬州市 | 平利县 | 平定县 |
| 河东区 | 正阳县 | 突泉县 | 鄂托克前旗 | 万载县 | 定远县 |
