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DEVICE FOR ANISOTROPICALLY ETCHING A SUBSTRATE, AND METHOD FOR OPERATING A DEVICE FOR ANISOTROPICALLY ETCHING A SUBSTRATE
DEVICE FOR ANISOTROPICALLY ETCHING A SUBSTRATE, AND METHOD FOR OPERATING A DEVICE FOR ANISOTROPICALLY ETCHING A SUBSTRATE
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机译:用于各向异性地蚀刻基板的装置,以及用于操作用于各向异性蚀刻基板的装置的方法
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摘要
A device for etching a substrate includes a first reaction chamber into which a first gas is introduced; a second reaction chamber into which a second gas is introduced; and a coil device that generates an electromagnetic alternating field. At least one first reactive species is generated by applying the electromagnetic alternating field to the first gas and at least one second reactive species is generated by applying the electromagnetic alternating field to the second gas. The device further includes a separating device that prevents a direct gas exchange between the first and second reaction chambers; an etching chamber configured to receive the substrate to be anisotropically etched; and a mixing device configured such that the reactive species enter the mixing device, are mixed together, and in the mixed state act on the substrate so as to anisotropically etch the substrate in the etching chamber.
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