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SouthWest Test Workshop 2004
June 7, 2004
FORMFACTOR, INC.
Case Study
New Bond Pad Stack-up Metallization
•Requirements:
§No exposure of base metal after repeated touchdowns
–Thin Al over base metal
§Low, stable Cres
•Approach:
–Predictive Probing at FFI
§Scrub Characterization
§Cres
–Customer Site Validation
§Scrub Characterization
§Qualification