发明名称 |
Hermetic cell and method for producing same |
摘要 |
A hermetic cell excellent in weld strength is provided. The hermetic cell includes an can having an opening and a seal for sealing the opening of the can. A portion of engagement of the seal with the opening of the can is welded with a high energy beam, thereby hermetically sealing the can. At least one portion of a melt mark resulting from the high energy beam welding has a top surface having a lowermost point lower in a direction of a bottom of the can than a lowermost point of a top surface of an adjacent portion of the melt mark. The at least one portion of the melt mark has a bottom surface having a lowermost point lower in the direction of the bottom of the can than an lowermost point of a bottom surface of the adjacent portion of the melt mark. |
申请公布号 |
US8304106(B2) |
申请公布日期 |
2012.11.06 |
申请号 |
US20070965056 |
申请日期 |
2007.12.27 |
申请人 |
YOSHIDA SATOSHI;YAMANAKA TOMOKAZU;SANYO ELECTRIC CO., LTD. |
发明人 |
YOSHIDA SATOSHI;YAMANAKA TOMOKAZU |
分类号 |
H01M2/02;H01M10/04 |
主分类号 |
H01M2/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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