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US 2017/0285071 A1Published application
Wafer inspection equipment having laser cleaning function
AssigneeImt Co., Ltd.
InventorsJong Myoung LEE, Kyu Pil LEE, Seong Ho JO
Life of this patent
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Abstract
A wafer test machine is disclosed. The wafer test machine comprises a main body having a chamber defined therein, wherein a probe card is disposed at an upper portion of the chamber; a chuck for fixing a wafer in the chamber; a moving unit for moving the chuck in the chamber, thus making a contact between the probe card and the wafer; and a laser cleaning apparatus for cleaning the probe card in the chamber using a laser beam, when the probe card does not contact the wafer.
Claims21
A wafer test machine comprising:
- a main body having a chamber defined therein, wherein a probe card is disposed at an upper portion of the chamber;
- a chuck for fixing a wafer in the chamber;
- a moving unit for moving the chuck in the chamber, thus making a contact between the probe card and the wafer;
- and
- a laser cleaning apparatus for cleaning the probe card in the chamber using a laser beam, when the probe card does not contact the wafer.
2 more elements
Dependencies are inferred from the claim text.