Semiconductor device having multiple conductive layers and the m

Details Semiconductor device having multiple conductive layers and the m Semiconductor device having multiple conductive layers and the m

1981-06-16

1985-10-01

Munson, Gene M.

357 2311, 357 54, 357 59, H01L 2954, H01L 2978, H01L 2934, H01L 2904

Patent

active

045449414

ABSTRACT:
A semiconductor device having multiple conductive layers which are satisfactorily connected to one another is disclosed. The multiple conductive layers are respectively insulated by insulation layers and are formed on the semiconductor substrate where circuit elements are formed. Each multiple conductive layer is connected through contact holes having the same depth and at least one conductive layer is connected to the first conductive layer thereunder through an additional conductive layer formed at the same time that the second conductive layer is formed.

REFERENCES:
patent: 3510728 (1970-05-01), Tolliver
patent: 3801880 (1974-04-01), Harada et al.
patent: 4270262 (1981-06-01), Hori et al
patent: 4278989 (1981-07-01), Baba et al.

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