| 摘要 |
PROBLEM TO BE SOLVED: To provide a leak testing method that can be applied to various sized vessels or various contained materials, when the contained component is a liquid, and to provide an apparatus. SOLUTION: In a method for manufacturing the vessel without leaks, a plurality of vessels are manufactured; at least one vessel is placed under the testing environment, and a signal is observed in response to a leak conditions of the vessel; at least one signal is generated based on the observed signal; it is determined whether the signal, based on the observed signal, lies within a dynamic signal range; it is confirmed whether the vessel has leaks based on an observation; and dynamic signal range is updated, by using the signal based on the observed signal, when the vessel does not have leaks. COPYRIGHT: (C)2008,JPO&INPIT
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