Probe Card Interposer Specifictions,Top to Bottom |
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Specification | ZENFOCUS |
Bump pitch I/O ares or w/b pad pitch | 50um,60um,80um,100um+ |
Maximum die size or multi-die array size | 100mm X 100mm |
Type (Interposer) | Organic Build-up with Core & Coreless |
Material | Normal substrate material |
# of Build-up layers (per side) | 2~14 (max) |
# of Core layers | 2~14 (max) |
Maximum number of separate power leves requiring a plane | depend on Current and Voltage of IC |
Core via pith | 350um+ |
Core via diameter | 130um+ |
Buld-up lines and spaces requirement (include top layer) | 14~20um/14~20um |
Thickness requirement | 1.0~3.0mm |
Flatness requirement | < 50um (size 50*50mm or smaller < 75um (size 50*50mm or smaller |
Top layer metallurgy (die side) | Hard Gold or ENEPIG (Au thickness>0.30um) |
Top layer to die contact type | Needle |
Bottion layer metallurgy (probe card side) | ENIG or ENEPIG |
Bottion layer to probe card contact type | Solder (Both Pb & free) |
Maximum life of interposer,both time and touch-downs | N/A |