南朝鲜SKC有限公司的光学介质厂位于汉城以南50英里处。该厂于1986年开始制造小型光盘,现正为欧洲和日本的许多公司压制。该厂同时还生产录象带、软盘、声带和数字声带。SKC公司还是Warner-Electra-Asylum唱片的批发商,且有发展磁光介质的计划。目前,它约以50%的工厂年收入投入开发和研究。公司目前正对两类磁光介质进行研究。第一类为四层介质,四层为:铝反射层、介质 The optical media plant of South Korea’s SKC Ltd. is located 50 miles south of Seoul. The factory started making mini-discs in 1986 and is now being suppressed by many companies in Europe and Japan. The factory also produces video tapes, floppy disks, vocal cords and digital vocal cords. SKC is also the distributor of Warner-Electra-Asylum records and plans to develop magneto-optical media. Currently, it invests about 50% of its annual revenue into research and development. The company is currently working on two types of magneto-optical media. The first category is four layers of media, four layers are: aluminum reflective layer, medium