| 发明名称 |
Lens assembly apparatus and method |
| 摘要 |
A thermal barrier apparatus includes a lens cell with a vacuum chamber, the lens cell having opposing lenses, and a one-way gas valve coupled to the lens cell to allow venting of the vacuum chamber in response to thermal expansion of gas in the vacuum chamber.
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| 申请公布号 |
US2008062695(A1) |
申请公布日期 |
2008.03.13 |
| 申请号 |
US20060400451 |
申请日期 |
2006.04.06 |
| 申请人 |
PETERSON WADE A;LEWIS DOUGLAS P |
发明人 |
PETERSON WADE A.;LEWIS DOUGLAS P. |
| 分类号 |
F21V29/00;F21V5/00;G02B3/00 |
主分类号 |
F21V29/00 |
| 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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