| 摘要 |
A base cap for a cathode ray tube (CRT) preventing insulation breakdown between a lead pin to which a high voltage is applied and a lead pin to which a comparatively low voltage is applied. Insulation breakdown due to poor application of a silicone composition between a stem of the CRT and a flange of the base cap is avoided. The base cap includes a cylindrical housing, a flange extending radially outward from the edge of the cylindrical housing and including holes into which lead pins fixed to the stem of an electron gun of the CRT are inserted; and at least one isolation element on the surface of the flange, facing the stem, for preventing breakdown of insulation between the lead pins.
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