H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 29/07 (2006.01) H01J 9/14 (2006.01)
Patent
CA 2108377
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 and 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.
Capek Raymond G.
Fendley James R.
Fondrk Mark T.
Marks & Clerk
Zenith Electronics Corporation
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