Fritting: Experiences with Non-Ohmic Contact Resistance while ...

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How influencing the fritting ratio? • Changing overdrive • Probing on gold bumps instead of aluminum • Using refurbishment methods – Probe Polish (online cleaning) – T.I.P.S. (offline cleaning) 06/12/2006 SWTW2006 – Jan Martens 14
Changing overdrive <strong>Fritting</strong> ratio Φ 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% <strong>Fritting</strong> ratio Φ Overdrive improves Φ (nonlinear probing force only small improvement) 2 Mil 3 Mil 4 Mil 5 Mil Overdrive 06/12/2006 SWTW2006 – Jan Martens 15
Page 1 and 2: Fritting Experiences with non-ohmic
Page 3 and 4: Fritting - What‘s that? • The v
Page 5 and 6: Fritting - What‘s that? • Curre
Page 7 and 8: Fritting - What‘s that? Probe Tip
Page 9 and 10: Fritting - How to measure? Last CRE
Page 11 and 12: Definition of Fritting ratio Φ Num
Page 13: Why measuring Fritting and not only
Page 17 and 18: Probe tip refurbishment - How does
Page 19 and 20: Fritting measurement and Probe Poli
Page 21 and 22: Fritting measurement with T.I.P.S.
Page 23 and 24: Outlook • Fritting ratio Φ can i

Fritting: Experiences with Non-Ohmic Contact Resistance while ...

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