[PDF] Top 20 Electromigration studies of flip chip Sn95/Sb5 solder bumps on Cr/Cr-Cu/Cu under-bump metallization
Has 10000 "Electromigration studies of flip chip Sn95/Sb5 solder bumps on Cr/Cr-Cu/Cu under-bump metallization" found on our website. Below are the top 20 most common "Electromigration studies of flip chip Sn95/Sb5 solder bumps on Cr/Cr-Cu/Cu under-bump metallization".
Electromigration studies of flip chip Sn95/Sb5 solder bumps on Cr/Cr-Cu/Cu under-bump metallization
... diameter on the chip side and 150 µm in diameter for the pad on the board ...current of 0.567 A was applied in the bump pair, which was equivalent to a current density of 1 10 ... See full document
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Electromigration study in SnAg3.8Cu0.7 solder joints on Ti/Cr-Cu/Cu under-bump metallization
... area on the chip side decreased, forming a vicious cycle that deteriorated the ...the bump locally because of joule ...point of the solder before failure because there were tiny ... See full document
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Electromigration failure mechanisms for SnAg3.5 solder bumps on Ti/Cr-Cu/Cu and Ni(P)/Au metallization pads
... Previous studies on the electromigration of flip-chop sol- der bumps were mainly focused on eutectic SnPb ...effect on the cathode/chip side was proposed to ... See full document
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Measurement of electromigration activation energy in eutectic SnPb and SnAg flip-chip solder joints with Cu and Ni under-bump metallization
... surement of activation energy mainly involves the processes of Cu–Sn IMC formation and void formation on the chip ...the Cu, SnAg, SnPb, and Cu 6 Sn 5 ... See full document
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Metallurgical reaction of the Sn-3.5Ag solder and Sn-37Pb solder with Ni/Cu under-bump metallization in a flip-chip package
... 1.—Department of Material Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan ...2.—Department of Material Science and Engineering, National Chiao Tung Univer- sity, Hsinchu, Taiwan ... See full document
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Mechanism of electromigration-induced failure in flip-chip solder joints with a 10-mu m-thick Cu under-bump metallization
... with Cu and the amount of Cu is very limited in the thin-film ...a 5-m-thick electro- plated Cu UBM has been integrated into the UBM so that the chemical reaction will not consume all ... See full document
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Effects of Ni thickness and reflow times on interfacial reactions between Ni/Cu under-bump metallization and eutectic Sn-Pb solder in flip-chip technology
... 1.—Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, ...2.—Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu, ... See full document
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Influence of Cu column under-bump-metallizations on current crowding and Joule heating effects of electromigration in flip-chip solder joints
... CONCLUSIONS Electromigration-induced failures in SnAg solder bumps with and without Cu column UBMs have been investigated under a current density of ...SnAg solder ... See full document
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Metallurgical reactions of Sn-3.5Ag solder with various thicknesses of electroplated Ni/Cu under bump metallization
... INTRODUCTION Flip-chip technology has been adopted in high- performance electronics devices because a large number of tiny solder bumps can be fabricated into an area array on a ... See full document
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Blocking hillock and whisker growth by intermetallic compound formation in Sn-0.7Cu flip chip solder joints under electromigration
... INTRODUCTION Electromigration in flip-chip solder joints has become a major reliability issue in recent years because of the minia- turization trend to meet the demand of higher ... See full document
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Effect of Surface Finish on the Failure Mechanisms of Flip-Chip Solder Joints Under Electromigration
... failure of solder joints triggered by high cur- rent density is one of the key reliability concerns of the flip-chip ...many solder joints as possible so that the current carried ... See full document
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Effect of void propagation on bump resistance due to electromigration in flip-chip solder joints using Kelvin structure
... stage of electromigration up to 22% increase in resistance in ...the bump resistance increases 20% of its initial value, the depletion percentage of UBM opening is only ...most ... See full document
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Electromigration in the Flip Chip Solder Joint of Sn-8Zn-3Bi on Copper Pads
... 3.—Institute of Materials Science and Engineering, National Taipei University of Technology, Taipei 106, ...4.—Department of Materials Science and Engineering, UCLA, Los Angeles, CA 90095-1595, ... See full document
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Study of void formation due to electromigration in flip-chip solder joints using Kelvin bump probes
... in bump resistance during electromigration can be precisely measured using Kelvin bump probes, and it can be employed to monitor the void formation and micro- structure change during ...function ... See full document
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Joule heating effect under accelerated electromigration in flip-chip solder joints
... 77 on the rest of the three ...heating on the three corners. To examine the Joule heating effect on the Al trace, the cross-section along one of solder joints was ...distribution ... See full document
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Damages and microstructural variation of high-lead and eutectic SnPb composite flip chip solder bumps induced by electromigration
... the Sn re-orientation does not follow the exact pattern of current flow near the low right corner of the solder ...distribution of electron flow in a solder bump is more ... See full document
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Electromigration study of eutectic SnPb flip-chip solder joints on ceramic substrates
... This study investigates electromigration study of eutectic SnPb flip-ch.ip .solder joints on ceramic substrates.. The under bump metalltzatlon (UBM) structure consists of 5-J.lIll Cu / 3[r] ... See full document
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The cathode current efficiency of flip-chip solder bump plating
... manufacture of solder bumps is an important step in flip- chip bonding ...A solder bump structure consists of under bump metallurgy 共UBM兲 and the top ... See full document
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Failure induced by thermomigration of interstitial Cu in Pb-free flip chip solder joints
... the chip/anode side for bump ...annealing of the flip chip solder joints at 165 ° C for 90 h, by taking into account the higher temperature due to Joule heating, we found no void ... See full document
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Effect of al trace dimension on electromigration failure time of flip-chip solder joints
... words: Electromigration, flip chip, Joule heating INTRODUCTION To meet the miniaturization trend for portable devices, flip-chip technology has been adopted for high-density packaging due to its ... See full document
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