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    • 1. 发明授权
    • Method of manufacturing semiconductor device
    • 制造半导体器件的方法
    • US5290709A
    • 1994-03-01
    • US865961
    • 1992-04-09
    • Akira Sato
    • Akira Sato
    • H01L21/265H01L21/266H01L21/426
    • H01L21/266Y10S148/076Y10S148/082Y10S148/083
    • According to the present invention, in the ion implantation step in manufacturing a semiconductor device, a resist of a resist pattern formed on a portion of a semiconductor wafer is removed from the outer peripheral portion of the semiconductor wafer, and ion implantation is performed through the resist pattern.Since the resist is removed from the outer peripheral portion, a contact portion between a semiconductor wafer fixing portion of an ion implantation unit and the semiconductor wafer is conductive. Therefore, charges generated by the ion implantation escape from the wafer fixing portion, and the semiconductor wafer is not charged, thereby preventing electrostatic breakdown.
    • 根据本发明,在制造半导体器件的离子注入步骤中,从半导体晶片的外周部分去除形成在半导体晶片的一部分上的抗蚀剂图案的抗蚀剂,并且通过 抗蚀图案 由于抗蚀剂从外周部分去除,离子注入单元的半导体晶片固定部分和半导体晶片之间的接触部分是导电的。 因此,由离子注入产生的电荷从晶片固定部分逸出,并且半导体晶片不被充电,从而防止静电击穿。
    • 10. 发明授权
    • Furnace transient anneal process
    • 炉式瞬态退火工艺
    • US4555273A
    • 1985-11-26
    • US583560
    • 1984-02-27
    • David A. CollinsDerek L. LileCarl R. Zeisse
    • David A. CollinsDerek L. LileCarl R. Zeisse
    • H01L21/00H01L21/324H01L21/265
    • H01L21/67109Y10S148/003Y10S148/006Y10S148/071Y10S148/076
    • A method for annealing semiconductor samples, especially following ion-implantation of semiconductor samples is disclosed. A furnace on a set of rails is passed over the semiconductor sample which is supported on a stationary wire basket made of low thermal mass, fine tungsten wire. The furnace temperature may be about 5.degree. above the desired anneal temperature of the semiconductor sample such that the sample temperature rises to within a few degrees of the furnace temperature within seconds. Utilizing the moveable furnace insures uniform heating without elaborate temperature control or expensive beam generating equipment.The apparatus and process of the present invention are utilized for rapid annealing of ion-implanted indium phosphide semiconductors within 10 to 30 seconds and at temperatures of approximately 700.degree. C., thereby eliminating undesired and damaging movement of impurities within the ion-implanted InP.
    • 公开了一种用于半导体样品退火的方法,特别是在半导体样品的离子注入之后。 在一组轨道上的炉子通过半导体样品,该半导体样品被支撑在由低热质量的精细钨丝制成的固定丝网上。 炉温可以比半导体样品的期望退火温度高约5℃,使得样品温度在几秒钟内升高到炉温的几度之内。 利用可移动炉确保均匀的加热,无需精细的温度控制或昂贵的光束产生设备。 本发明的设备和方法用于离子注入的磷化铟半导体在10-30秒内和约700℃的温度下进行快速退火,从而消除离子注入的InP中杂质的不期望的和有害的运动。