发明名称 |
In process tension mask CRT panel with peripheral bodies |
摘要 |
An annulus attached adjacent the edge planes of a CRT front panel provides screen area savings, and in the preferred embodiment, panel protection, strengthening, and anti-implosion properties. The annulus is preferably composed of a plurality of sections and incorporates a shadow mask support. The annulus is attached to the front panel before receiving the shadow mask becomes a part of the CRT envelope. In a preferred embodiment, the annulus is composed of ceramic and is x-ray shielded by an application of lead-based frit.
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申请公布号 |
US5248914(A) |
申请公布日期 |
1993.09.28 |
申请号 |
US19920851433 |
申请日期 |
1992.04.24 |
申请人 |
ZENITH ELECTRONICS CORPORATION |
发明人 |
CAPEK, RAYMOND G.;FENDLEY, JAMES R.;FONDRK, MARK T. |
分类号 |
B24B9/06;H01J9/14;H01J9/24;H01J29/07;H01J29/86 |
主分类号 |
B24B9/06 |
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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