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    • 29. 发明授权
    • Electroless plated semiconductor vias and channels
    • 无电镀半导体通孔和通道
    • US06291332B1
    • 2001-09-18
    • US09416383
    • 1999-10-12
    • Allen S. YuPaul J. Steffan
    • Allen S. YuPaul J. Steffan
    • H01L214763
    • H01L21/76874H01L21/288H01L21/76879
    • A method of manufacturing a semiconductor device is provided in which a semiconductor substrate with a dielectric layer has channel and via openings formed in the dielectric layer. A seed layer is formed over the dielectric layer and in the openings followed by a resist over the seed layer. The resist is then removed outside the openings. The seed layer outside the openings, which is not covered by the resist, is removed and the seed layer in the openings remains intact because of the resist in the openings. The resist inside the openings is removed and the seed layer inside the openings is electroless plated to fill the openings and form the channels and vias for interconnecting the semiconductor device.
    • 提供了一种制造半导体器件的方法,其中具有介电层的半导体衬底具有形成在电介质层中的沟道和通孔。 种子层形成在电介质层之上,并且在开口中形成,随后是种子层上的抗蚀剂。 然后将抗蚀剂从开口外部移除。 由开口内的抗蚀剂除去未被抗蚀剂覆盖的开口外部的种子层,并且开口中的种子层保持完整。 开口内的抗蚀剂被去除,并且开口内的种子层被无电镀以填充开口并形成用于互连半导体器件的通道和通路。