Udløbet patent: freepatentsonline.com: United States Patent 4151542 Citat: "...A transistor which has a plurality of ring emitter transistor...to provide for enhanced power handling capability of the transistor without a large reduction in its maximum current...", pdf
Udløbet patent: freepatentsonline.com: United States Patent 4151542 Citat: "...A transistor which has a plurality of ring emitter transistor...to provide for enhanced power handling capability of the transistor without a large reduction in its maximum current...", pdf