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iontrapnet
iontrapnet.github.io
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梅全鑫 edited this page
Nov 22, 2017
·
2 revisions
Notes for Vacuum System
陶瓷水泥
表面液体起保护作用,切记使用完毕要关闭盖子
需要一个相对较小的针尖取用水泥,容易粘到其他地方,注意不要污染其他针尖以及补偿电极等
陶瓷水泥的最佳工作温度为93$^\circ C$,需要2小时,之后可以达到1000$^\circ C$以上
陶瓷水泥作用有限,一定需要螺丝辅助,而且容易起皮,可能需要在进入真空以前进行稍微处理
组装条件
全副武装,头套、口罩、手套
清洗
Holder可以用超声清洗,丙酮、无水乙醇,清洗完毕用锡纸包裹
刀片可以用超声清洗
4-rod trap
五孔柱要固定好在trap Holder上
先点焊needle到真空漆包线,用不锈钢片将漆包线包裹住再点焊,点焊的时候增加多几个焊点,电流控制在3.5A以下,注意控制时间,不要将不锈钢片焊穿,否则会极大的影响焊接质量
将4 rod绕成八爪鱼的形状,便于连接到feedthrough
Blade trap
金带压焊,先将金带焊在刀片上,然后将另一端悬挂在空中,注意控制长度
点焊不锈钢片需要面积比较小,而且金带能够承受的电流较小,控制在3A以内,为了防止金带直接点焊受损,用一个不锈钢片将其包裹住然后进行点焊,金带承受力比较小,要利用真空漆包线进行承力,过程中切忌触碰刀片的韧,以免刀片报废。
绕线的时候要将线一层层固定在下一个线的范围内,不要触碰
Notes for helical resonator
to be finished after mid-exam...
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Notes
Notes for Vacuum System
陶瓷水泥
组装条件
清洗
4-rod trap
Blade trap
Notes for helical resonator
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