发明名称 |
A glass bulb for a cathode-ray tube and a cathode-ray tube device |
摘要 |
<p>In a disclosed glass bulb for a cathode-ray tube (CRT), a funnel unit have a less depth than a conventional one. The glass bulb for the CRT includes a panel unit having a panel screen, a neck unit holding an electron gun, and a funnel unit having a funnel-like shape, and the panel unit and the neck unit are bridged by the funnel unit. In the glass bulb, the funnel unit is formed from a plurality of glass members and a maximum-to-minimum thickness ratio of each of the plurality of glass members is designed to be within a range suitable for producing the glass members using pressing.</p> |
申请公布号 |
EP1156508(A2) |
申请公布日期 |
2001.11.21 |
申请号 |
EP20010304324 |
申请日期 |
2001.05.15 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.;NIPPON ELECTRIC GLASS CO., LTD. |
发明人 |
SAKURAI, HIROSHI;WAKASONO, HIROMI;KYONO, MASSAYA;KUWAHARA, KOJI |
分类号 |
H01J9/24;C03B25/06;C03B27/06;C03C27/06;H01J29/86;(IPC1-7):H01J29/86;H01J29/87;C03B23/217 |
主分类号 |
H01J9/24 |
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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