| 发明名称 |
ELECTRICAL TRANSLATING DEVICE CONTAINING SPHEROIDAL PHOSPHORS |
| 摘要 |
A fluorescent lamp with an inorganic phosphor coating on the lamp envelope. The phosphor particles have the shape of foraminous spheres with a diameter between about 3 and 20 mu . In the preferred embodiment, these spheres are hollow so that there is a maximum of emitting surface for a minimum weight of powder.
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| 申请公布号 |
US3668455(A) |
申请公布日期 |
1972.06.06 |
| 申请号 |
USD3668455 |
申请日期 |
1968.07.01 |
| 申请人 |
SYLVANIA ELECTRIC PRODUCTS INC. |
发明人 |
ERNEST A. DALE;MARTHA J.B. THOMAS |
| 分类号 |
C09K11/08;H01J29/18;H01J29/20;H01J61/42;H01J61/44;(IPC1-7):H01J1/63;H01J63/04 |
主分类号 |
C09K11/08 |
| 代理机构 |
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代理人 |
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