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    • 10. 发明申请
    • TEMPERATURE GRADIENT ZONE MELTING PROCESS AND APPARATUS
    • 温度梯度熔融工艺和设备
    • WO1983003710A1
    • 1983-10-27
    • PCT/US1983000478
    • 1983-04-06
    • HUGHES AIRCRAFT COMPANY
    • HUGHES AIRCRAFT COMPANYBROWN, Roger, H.CHOW, Kuen, R.GOODWIN, Norman, W.GRINBERG, Jan
    • H01L21/24
    • H01L21/24C30B13/02
    • A process for fabricating a semiconductor device by thermal gradient zone melting, whereby metal-rich droplets (24) such as aluminum migrate through a semiconductor wafer (14) such as silicon to create conductive paths (22). One surface of the wafer (14) is placed intimately adjacent a heating surface (42) to establish a high and uniform thermal gradient through the wafer (14). Heat in the wafer (14) is removed from the other wafer surface. The apparatus for practicing the process comprises a base (40), heating means (44) and heat sink (46) means. Heating means (40) comprises a platform (40) having a generally planar heating surface (42) adapted to receive the entire area of the one surface of at least one wafer (14). The heat sink means (46) is spaced away from the other wafer surface to form a space (48) therebetween, the space being adapted to receive a high heat conductive gas. The heat sink means (46) and the gas cooperatively remove the heat in the wafer (14) to enhance the establishment of the thermal gradient. One surface of the wafer may be provided with a buffer layer (70) thereon, which is placed directly on a heating surface (42). The buffer layer (70) terminates the migration of the droplets to prevent allowing of the droplets with the heating surface (42).
    • 一种用于通过热梯度区熔化制造半导体器件的方法,其中诸如铝的富金属液滴(24)穿过诸如硅的半导体晶片(14)迁移以产生导电路径(22)。 将晶片(14)的一个表面紧密地放置在加热表面(42)附近,以建立穿过晶片(14)的高均匀的热梯度。 将晶片(14)中的热量从另一个晶片表面移除。 用于实施该方法的装置包括基座(40),加热装置(44)和散热器(46)装置。 加热装置(40)包括具有适于接收至少一个晶片(14)的一个表面的整个区域的大致平面加热表面(42)的平台(40)。 散热装置(46)与另一个晶片表面间隔开,以在它们之间形成空间(48),该空间适于接收高导热气体。 散热装置(46)和气体协同地移除晶片(14)中的热量以增强热梯度的建立。 晶片的一个表面可以在其上设置有缓冲层(70),其直接放置在加热表面(42)上。 缓冲层(70)终止液滴的迁移,以防止允许具有加热表面(42)的液滴。