第1步，石英管縮頸

抽真空后開始燒結縮頸，縮頸部位燒至凹陷即可

Step 1: Silica tube necking

Frit the necking after the vacuumizing until the necking part gets sunken

第2步，裝樣裝石英柱

將樣品裝入石英管，將石英柱下滑至縮頸處卡住

Step 2: Silica column sample loading

Put the sample into silica tubes and slide the silica column to the necking

for locking

第3步，燒結封管

抽真空充氣氛后，燒結石英柱的位置進行真空封管

Step 3: Fritting and sealing

Frit the silica column and conduct tube sealing after the vacuumizing and gas atmosphere filling

封管成品

封管完成后可以貼上樣品標簽以便于區分樣品

Sealing and completion

Paste the sample label to identify samples after the completion of tube sealing