G - Physics – 03 – F
Patent
G - Physics
03
F
356/141, 96/248
G03F 5/24 (2006.01) G03F 7/038 (2006.01) G03F 7/26 (2006.01) G03F 7/30 (2006.01) H05K 1/05 (2006.01)
Patent
CA 2039321
BU9-90-013 PROCESS FOR FORMING MULTI-LEVEL COPLANAR CONDUCTOR/INSULATOR FILM EMPLOYING, PHOTOSENSITIVE POLYIMIDE POLYMER COMPOSITIONS Abstract of to Disclosure Disclosed is a process for producing multi-level conductor/insulator films on a processed semiconductor substrate having a conductor pattern. The insulator layers, each comprise a photosensitive polyimide polymer composition, and this allows the desired wiring channels and stud vias to be formed directly in the insulator layers, without the use of separate masking layers and resulting image transfer steps, thus providing a less cumbersome and costly process.
Cronin John E.
Kaanta Carter W.
Lee Pei-Ing P.
Previti-Kelly Rosemary A.
Ryan James G.
International Business Machines Corporation
Kerr Alexander
LandOfFree
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