Pad Redistribution

Process Diagram

 

Layout Guidelines

VIA 1
Minimum Opening 30µm
Minimum Overlap
(Inside Existing Passivation)
10µm per side

Cu Trace / Pad
Minimum Overlap
(Outside Via 1 Passivation)
10µm per side
Minimum trace width 25µm
Minimum trace spacing 25µm
Recommended Cu pad size
(Pad should be round, polygon, or octagon shaped)
Minimum
100µm

VIA 2
Minimum overlap
(Inside plated Cu pad)
20µm per side
Recommended terminal via opening
(Opening should be round, polygon, or octagon shaped)
Minimum
40µm diameter

Bump
Minimum overlap
(Outside Via 2 passivation )
20µm per side

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