发明名称 |
Method for effectively contacting manganese-activated zinc silicate phosphor with antimony oxide during phosphor coating, and resulting lamp |
摘要 |
For fluorescent lamps which use a double layer of phosphor with manganese-activated zinc silicate phosphor in the overlying layer, a small predetermined amount of finely-divided antimony oxide is added to the first phosphor layer coating paint which, after application, is lehred at a temperature which is sufficient to volatilize the organic binder but which is insufficient to volatilize more than a minor proportion of the antimony oxide. Thereafter, the second phosphor layer coating paint which includes the zinc silicate is applied over the first-applied layer and the applied second layer coating paint is then lehred at a temperature which is sufficient to volatilize an appreciable portion of the residual antimony oxide in the first-applied layer to cause the volatilized antimony oxide to contact the zinc silicate.
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申请公布号 |
US4393330(A) |
申请公布日期 |
1983.07.12 |
申请号 |
US19800198494 |
申请日期 |
1980.10.20 |
申请人 |
NORTH AMERICAN PHILIPS ELECTRIC CORP. |
发明人 |
SKWIRUT, HENRY;YOUNG, ROBERT G. |
分类号 |
H01J9/22;H01J61/48;(IPC1-7):H01J61/48;B05D1/38;B05D7/22 |
主分类号 |
H01J9/22 |
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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