日本新力公司继单枪显像管后,现正致力研究无荫罩(Shadow Mask)彩色显像管。该公司以30英寸显像管作对象,发现无荫罩彩色显像管不但耗电低,而且亮度高,显像各处,包括四角及边缘地方都无会聚不良的毛病。外加控制电路无论显像管大小都大同小 Following the single gun tube, Sony Corporation of Japan is now working on a Shadow Mask color picture tube. The company targeted 30-inch picture tubes and found that shadow-free color picture tubes were not only low in power consumption but also high in brightness. There was no problem of misconvergence in various places, including corners and edges. Plus control circuit regardless of picture size are the same size