Antonelli, Terry, Stout & Kraus, LLP
Semiconductor device
As the semiconductor chip is large-sized, highly integrated and speeded up, it becomes difficult to pack the semiconductor chip together with leads in a package. In view of this difficulty, there has been adopted the package structure called the "Lead-On-Chip" or "Chip-On-Lead" structure in which the semiconductor and the leads are stacked and packed. In the package of this structure, according to the present invention, the gap between the leading end portions of the inner leads and the semiconductor chip is made wider than that between the inner lead portions except the leading end portions and the semiconductor chip thereby to reduce the stray capacity, to improve the signal transmission rate and to reduce the electrical noises.
Hitachi, Ltd.
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Sueo Hiroyoshi Isamu Takashi Masahiro Kunihiro Makoto Junichi Akihiro Takashi Hiroshi Masanori Gen Akio Tetsuro Noriyuki Aizo Masatsugu Ichiro Kazuyoshi Hiroshi Kunihiko Shozo Asao Syuuji
Kawai Kokaku Yoshida Yokoyama Ichitani Tsubosaki Kitano Saeki Yaguchi Yamazaki Hozoji Segawa Murakami Hasebe Matsumoto Kinjo Kaneda Ogata Anjo Oshima Kikuchi Nishi Nakamura Nishimura Eguchi