Semiconductor device and method of fabricating the same

Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material

Reexamination Certificate

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C438S623000, C438S629000, C438S638000, C438S687000, C257SE21580

Reexamination Certificate

active

07981790

ABSTRACT:
There is provided a semiconductor device and method of fabricating the same that employs an insulation film of a borazine-based compound to provided enhanced contact between a material for insulation and that for interconnection, increased mechanical strength, and other improved characteristics. The semiconductor device includes a first insulation layer having a recess with a first conductor layer buried therein, an etching stopper layer formed on the first insulation layer, a second insulation layer formed on the etching stopper layer, a third insulation layer formed on the second insulation layer, and a second conductor layer buried in a recess of the second and third insulation layers. The second and third insulation layers are grown by chemical vapor deposition with a carbon-containing borazine compound used as a source material and the third insulation layer is smaller in carbon content than the second insulation layer.

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Satoshi Sugahara, et al., “A Proposed Organic-Silica Film for Inter-Metal-Dielectric Application”, Jpn J. Appl. Phys., vol. 38, Mar. 1999, pp. 1428-1432, Part 1, No. 3A.

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