Patent ID: 11916199
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Measurement (Instruments)
Classification: CPC H  G  Y | IPC G  H

Claim 14:
15. A method of inspecting a battery cell leak using an inspection apparatus including a vacuum chamber and a vacuum pipe valve for controlling a pressure of an inside of the vacuum chamber, the vacuum chamber including an upper chamber and a lower chamber, the method comprising:
placing a battery cell to an inspection position such that an inspection stage is provided, in which the upper chamber and the lower chamber are arranged to face each other with a receiving space for the battery cell therebetween;
sealing the receiving space by lowering the upper chamber toward the lower chamber;
maintaining the vacuum pipe valve in an off-state to maintain the receiving space of the battery cell at a first pressure which is the same pressure as before the sealing of the vacuum chamber and measuring a before-vacuum thickness of the battery cell under the first pressure;
switching the vacuum pipe valve to an on-state to set the receiving space of the battery cell to a second pressure lower than the first pressure;
measuring an after-vacuum thickness of the battery cell under the second pressure; and
switching a destroy pipe valve fluidly connected to the receiving space for the battery cell to an on-state to set the receiving space to a third pressure higher than the second pressure.