METHOD OF MANUFACTURING INTERCONNECTIONS OF INTEGRATED CIRCUITS Russian patent published in 1994 - IPC

Abstract SU 1695777 A1

FIELD: integrated circuits production. SUBSTANCE: lower level conductors are formed, as well as interlevel insulation by means of application of the first dielectric layer with thickness being equal to 0.6-0.8 thickness of interlevel insulation. Relief is smoothed over by magnetron sputtering this layer by argon at power of 0,7-3 Wt/cm2 and pressure of 1-4·10-1Pа and magnetic field strength being equal to 50-300 H for thickness being equal to 0.10-0.2 thickness of interlevel insulation. Then the second dielectric layer is applied. Interlevel windows are opened and top level conductors are formed. EFFECT: improved reliability; improved output. 5 dwg

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SU 1 695 777 A1

Authors

Zagorodnev I.A.

Kuznetsov V.O.

Sulimin A.D.

Fat'Kin A.A.

Fishel' I.Sh.

Shishko V.A.

Dates

1994-07-30Published

1990-01-02Filed