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    • 24. 发明授权
    • Photovoltaic cell and method of producing that cell
    • 光伏电池及其生产方法
    • US06309906B1
    • 2001-10-30
    • US09101117
    • 1998-06-30
    • Johann MeierUlrich Kroll
    • Johann MeierUlrich Kroll
    • H01L3120
    • H01L31/076H01L21/02422H01L21/0245H01L21/02532H01L21/0262H01L21/02658H01L29/78675H01L29/78678H01L31/03529H01L31/075H01L31/202Y02E10/548Y02P70/521
    • The device (10) comprises a deposition chamber (12) containing two electrodes (13, 14), one of which comprises a support (16) for a substrate (17) and is earthed, the other being connected to an electric radio frequency generator (15). The device includes a mechanism (23) for extracting gas from the chamber (12) and a mechanism (18) for supplying gas. The device also comprises a mechanism for purification (31) of the gases introduced into the chamber, these a mechanism being arranged so as to reduce the number of oxygen atoms contained in the deposition gas, such gas being made up of silane, hydrogen and/or argon. The procedure consists of creating a vacuum in the deposition chamber (12), purifying the gases using purification a mechanism (31), introducing these purified gases into the chamber (12), then creating a plasma between the electrodes (13, 14). A film of intrinsic microcrystalline silicon in then deposited on the substrate.
    • 装置(10)包括一个包含两个电极(13,14)的沉积室(12),其中一个电极包括一个用于衬底(17)的支座(16),并接地,另一个连接到一个电力射频发生器 (15)。 该装置包括用于从腔室(12)中提取气体的机构(23)和用于供应气体的机构(18)。 该装置还包括用于净化(31)引入室中的气体的机构,这些机构被布置为减少沉积气体中包含的氧原子数,这种气体由硅烷,氢和/ 或氩气。 该方法包括在沉积室(12)中产生真空,通过纯化机构(31)纯化气体,将这些纯化气体引入室(12),然后在电极(13,14)之间产生等离子体。 然后将沉积在衬底上的本征微晶硅膜。