| 摘要 |
<p>The method reproduces the shadow maks which aperture is choked by impurities. The fault CRT found out at the test process is disassembled to the parts of the pannel, funnel neck, and the electron gun etc.. The dusts contaminating the CRT are removed by the vibration, ultrasonic, or blower method. The dust- removed parts are assembled and the assembled CRT is tested again. If the CRT is checked to be contaminated again, it is provided to the salvage process to dissemble entirely.</p> |
