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process for the manufacture of transistors with field effect to 'gate' block with joints in deep nothing by planarizzazione.
process for the manufacture of transistors with field effect to 'gate' block with joints in deep nothing by planarizzazione.
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机译:平面效应的晶体管的制造方法,其场效应对接缝处的“门”结块没有任何影响,这是由平面玻璃化的。
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摘要
A methos is provided for the production of insulated gate field effect transistors with zero-depth junctions by planar processing. A layer of polycrystalline silicon (14) is formed above a predetermined area of a monocrystalline silicon substrate (1) and defines the source (16) and drain (17) regions of an insulated gate field effect transistor which are self aligned with the gate electrode (9). Subsequently, a layer (15) of material is formed for reducing the differences in depth in the underlying layer of polycrystalline silicon. The materials of the two layers (14,15) are then non-selectively etched until polycrystalline silicon regions are obtained which are insulated from the insulator (13) which surrounds the gate electrode (9) and which formed the source and drain regions of the transistor.
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