发明授权
- 专利标题： Erasable and programable read only memory devices
- 专利标题（中）： 可擦除和可编程的只读存储器件
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申请号： US586998申请日： 1984-03-07
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公开(公告)号： US4710797A公开(公告)日： 1987-12-01
- 发明人: Seietsu Tanaka
- 申请人： Seietsu Tanaka
- 申请人地址： JPX Tokyo
- 专利权人： Oki Electric Industry Co., Ltd.
- 当前专利权人： Oki Electric Industry Co., Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX58-40579 19830314
- 主分类号： H01L23/02
- IPC分类号： H01L23/02 ; G11C16/18 ; H01L23/08 ; H01L23/18
摘要：
An EPROM device is constituted by an IC lead frame having an island area and a plurality of lead wires, an EPROM IC chip mounted in the island area of the frame, a plurality of wirings, each connecting the bonding pad of the IC chip to one of the lead wires, a layer of silicone resin material formed on the upper surface of the IC chip, a window plate placed on the surface of the silicone resin layer for transmitting ultraviolet rays and bonded to the silicone resin layer, and a molded package of epoxy resin encapsulating the chip island area, the EPROM chip and the silicone resin layer so as to expose the upper surface of the window plate.
公开/授权文献
- US5792076A Fracture consolidation measuring apparatus 公开/授权日：1998-08-11
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