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| US3936302 | 7 févr. 1973 | 3 févr. 1976 | Hitachi, Ltd. | Method for manufacturing fluorescent screens for use in colour picture tubes |
| US3948660 | 2 août 1973 | 6 avr. 1976 | AGFA-Gevaert, A.G. | Method for the manufacture of fresnel lenses using light-sensitive materials |
| US3949411 | 4 févr. 1974 | 6 avr. 1976 | Hitachi, Ltd. | Exposure apparatus |
| US3971043 | 5 mai 1975 | 20 juil. 1976 | Tokyo Shibaura Electric Co., Ltd. | Apparatus for making electroluminescent screens for color cathode ray tubes |
| US3993487 | 18 févr. 1975 | 23 nov. 1976 | Matsushita Electronics Corporation | Method for manufacture of color television picture tubes using rotating light source |
| US4013467 | 5 juin 1975 | 22 mars 1977 | Matsushita Electronics Corporation | Method of manufacturing color picture tubes using rotating light attenuator |
| US4049451 | 14 janv. 1972 | 20 sept. 1977 | RCA Corporation | Method for forming a color television picture tube screen |
| US4152154 | 19 juil. 1977 | 1 mai 1979 | U.S. Philips Corporation | Method of optically projecting a pattern of substantially circular apertures on a photosensitive layer by rotating light source |
