FIELD: electronic engineering. SUBSTANCE: prior to shaping upper level of metallization, photoresist strips are formed on lines of intersection of upper and lower levels of metallization; upon photoresist buckling it is heated in steps to 200-210 C and 400-410 C for 20-24 min at each step. EFFECT: facilitated manufacture. 2 dwg
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Authors
Dates
1997-03-27—Published
1987-07-09—Filed