| 红外焦平面微型金属杜瓦高气密激光焊接的研究 |
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| 引用本文： | 王小坤,孙闻,曾智江.红外焦平面微型金属杜瓦高气密激光焊接的研究[J].激光与红外,2010,40(4):361-364. |
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| 作者姓名： | 王小坤 孙闻 曾智江 |
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| 作者单位： | 中国科学院上海技术物理研究所,上海,200083 |
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| 基金项目： | 中国科学院上海技术物理研究所三期创新项目(No.C-45)资助 |
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| 摘 要： | 高气密激光焊接是红外焦平面微型金属杜瓦的关键技术。针对微型杜瓦的结构和材料特点,通过实验对激光焊接设备可调参数电流和脉宽与焊接能量的关系、电流和脉宽对焊斑宽度、焊接斑深度的影响、离焦量和重叠对焊接质量影响的研究,得到不锈钢和柯伐、不锈钢与不锈钢和柯伐与柯伐的合理的焊接参数,并将这些工艺参数应用到某个工程项目用红外焦平面微型金属杜瓦的激光焊接中,其漏率均优于3×10-12Torr.L/s。
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| 关 键 词： | 微型金属杜瓦 激光焊接 气密性 |
Laser welding for the manufacture of the infrared focus plane micro-dewar |
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| WANG Xiao-kun,SUN Wen,ZENG Zhi-jiang.Laser welding for the manufacture of the infrared focus plane micro-dewar[J].Laser & Infrared,2010,40(4):361-364. |
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| Authors: | WANG Xiao-kun SUN Wen ZENG Zhi-jiang |
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| Institution: | Shanghai Institute of Technical Physics Chinese Academy of Sciences;Shanghai 200083;China |
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| Abstract: | The infrared focus plane micro-dewar must have vacuum high air-sealed properties in order to be able to stand up to the demanding of vacuum longevity.In the manufacture course of infrared focus micro-dewar,laser welding is among crucial processes for the sake of obtaining low integral leakage.This paper reports on laser welding process characteristics of the infrared focus micro-dewar. |
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| Keywords: | micro-dewar laser welding airtight |
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