Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones
Wafer bumping technology using an electroless Ni/Au bump on a Cu patterned wafer is studied for the flip chip type CMOS image sensor (CIS) package for the camera module in mobile phones. The effect of different pretreatment steps on surface roughness and etching of Cu pads is investigated to improve...
Ausführliche Beschreibung
Autor*in: |
Kim, Joong-Do [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2007 |
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Schlagwörter: |
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Anmerkung: |
© TMS 2007 |
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Übergeordnetes Werk: |
Enthalten in: Journal of electronic materials - Warrendale, Pa : TMS, 1972, 36(2007), 7 vom: 30. Mai, Seite 775-782 |
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Übergeordnetes Werk: |
volume:36 ; year:2007 ; number:7 ; day:30 ; month:05 ; pages:775-782 |
Links: |
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DOI / URN: |
10.1007/s11664-007-0144-2 |
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Katalog-ID: |
SPR021481954 |
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520 | |a Wafer bumping technology using an electroless Ni/Au bump on a Cu patterned wafer is studied for the flip chip type CMOS image sensor (CIS) package for the camera module in mobile phones. The effect of different pretreatment steps on surface roughness and etching of Cu pads is investigated to improve the adherence between the Cu pad and the Ni/Au bump. This study measures the shear forces on Ni/Au bumps prepared in different ways, showing that the suitable pretreatment protocol for electroless Ni plating on Cu pads is “acid dip followed by Pd activation” rather than the conventional progression of “acid-dip, microetching, and Pd activation.” The interface between the Cu pad and the Ni/Au bump is studied using various surface analysis methods. The homogeneous distribution of catalytic Pd on the Cu pad is first validated. The flip chip package structure is designed, assembled, and tested for reliability. The successful flip chip bonding in the CIS package is characterized in terms of the cross-sectional structure in which the anisotropic conductive film (ACF) particles are deformed to about 1.5 μm in diameter. The experimental results suggest that electroless Ni/Au can be applied to the flip chip type CIS package using Cu patterned wafers for high mega pixel applications. | ||
650 | 4 | |a Electroless Ni/Au bump |7 (dpeaa)DE-He213 | |
650 | 4 | |a catalytic Pd |7 (dpeaa)DE-He213 | |
650 | 4 | |a flip chip |7 (dpeaa)DE-He213 | |
650 | 4 | |a CMOS image sensor (CIS) package |7 (dpeaa)DE-He213 | |
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10.1007/s11664-007-0144-2 doi (DE-627)SPR021481954 (SPR)s11664-007-0144-2-e DE-627 ger DE-627 rakwb eng Kim, Joong-Do verfasserin aut Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © TMS 2007 Wafer bumping technology using an electroless Ni/Au bump on a Cu patterned wafer is studied for the flip chip type CMOS image sensor (CIS) package for the camera module in mobile phones. The effect of different pretreatment steps on surface roughness and etching of Cu pads is investigated to improve the adherence between the Cu pad and the Ni/Au bump. This study measures the shear forces on Ni/Au bumps prepared in different ways, showing that the suitable pretreatment protocol for electroless Ni plating on Cu pads is “acid dip followed by Pd activation” rather than the conventional progression of “acid-dip, microetching, and Pd activation.” The interface between the Cu pad and the Ni/Au bump is studied using various surface analysis methods. The homogeneous distribution of catalytic Pd on the Cu pad is first validated. The flip chip package structure is designed, assembled, and tested for reliability. The successful flip chip bonding in the CIS package is characterized in terms of the cross-sectional structure in which the anisotropic conductive film (ACF) particles are deformed to about 1.5 μm in diameter. The experimental results suggest that electroless Ni/Au can be applied to the flip chip type CIS package using Cu patterned wafers for high mega pixel applications. Electroless Ni/Au bump (dpeaa)DE-He213 catalytic Pd (dpeaa)DE-He213 flip chip (dpeaa)DE-He213 CMOS image sensor (CIS) package (dpeaa)DE-He213 Enthalten in Journal of electronic materials Warrendale, Pa : TMS, 1972 36(2007), 7 vom: 30. Mai, Seite 775-782 (DE-627)324918739 (DE-600)2032868-0 1543-186X nnns volume:36 year:2007 number:7 day:30 month:05 pages:775-782 https://dx.doi.org/10.1007/s11664-007-0144-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 36 2007 7 30 05 775-782 |
spelling |
10.1007/s11664-007-0144-2 doi (DE-627)SPR021481954 (SPR)s11664-007-0144-2-e DE-627 ger DE-627 rakwb eng Kim, Joong-Do verfasserin aut Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © TMS 2007 Wafer bumping technology using an electroless Ni/Au bump on a Cu patterned wafer is studied for the flip chip type CMOS image sensor (CIS) package for the camera module in mobile phones. The effect of different pretreatment steps on surface roughness and etching of Cu pads is investigated to improve the adherence between the Cu pad and the Ni/Au bump. This study measures the shear forces on Ni/Au bumps prepared in different ways, showing that the suitable pretreatment protocol for electroless Ni plating on Cu pads is “acid dip followed by Pd activation” rather than the conventional progression of “acid-dip, microetching, and Pd activation.” The interface between the Cu pad and the Ni/Au bump is studied using various surface analysis methods. The homogeneous distribution of catalytic Pd on the Cu pad is first validated. The flip chip package structure is designed, assembled, and tested for reliability. The successful flip chip bonding in the CIS package is characterized in terms of the cross-sectional structure in which the anisotropic conductive film (ACF) particles are deformed to about 1.5 μm in diameter. The experimental results suggest that electroless Ni/Au can be applied to the flip chip type CIS package using Cu patterned wafers for high mega pixel applications. Electroless Ni/Au bump (dpeaa)DE-He213 catalytic Pd (dpeaa)DE-He213 flip chip (dpeaa)DE-He213 CMOS image sensor (CIS) package (dpeaa)DE-He213 Enthalten in Journal of electronic materials Warrendale, Pa : TMS, 1972 36(2007), 7 vom: 30. Mai, Seite 775-782 (DE-627)324918739 (DE-600)2032868-0 1543-186X nnns volume:36 year:2007 number:7 day:30 month:05 pages:775-782 https://dx.doi.org/10.1007/s11664-007-0144-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 36 2007 7 30 05 775-782 |
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10.1007/s11664-007-0144-2 doi (DE-627)SPR021481954 (SPR)s11664-007-0144-2-e DE-627 ger DE-627 rakwb eng Kim, Joong-Do verfasserin aut Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © TMS 2007 Wafer bumping technology using an electroless Ni/Au bump on a Cu patterned wafer is studied for the flip chip type CMOS image sensor (CIS) package for the camera module in mobile phones. The effect of different pretreatment steps on surface roughness and etching of Cu pads is investigated to improve the adherence between the Cu pad and the Ni/Au bump. This study measures the shear forces on Ni/Au bumps prepared in different ways, showing that the suitable pretreatment protocol for electroless Ni plating on Cu pads is “acid dip followed by Pd activation” rather than the conventional progression of “acid-dip, microetching, and Pd activation.” The interface between the Cu pad and the Ni/Au bump is studied using various surface analysis methods. The homogeneous distribution of catalytic Pd on the Cu pad is first validated. The flip chip package structure is designed, assembled, and tested for reliability. The successful flip chip bonding in the CIS package is characterized in terms of the cross-sectional structure in which the anisotropic conductive film (ACF) particles are deformed to about 1.5 μm in diameter. The experimental results suggest that electroless Ni/Au can be applied to the flip chip type CIS package using Cu patterned wafers for high mega pixel applications. Electroless Ni/Au bump (dpeaa)DE-He213 catalytic Pd (dpeaa)DE-He213 flip chip (dpeaa)DE-He213 CMOS image sensor (CIS) package (dpeaa)DE-He213 Enthalten in Journal of electronic materials Warrendale, Pa : TMS, 1972 36(2007), 7 vom: 30. Mai, Seite 775-782 (DE-627)324918739 (DE-600)2032868-0 1543-186X nnns volume:36 year:2007 number:7 day:30 month:05 pages:775-782 https://dx.doi.org/10.1007/s11664-007-0144-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 36 2007 7 30 05 775-782 |
allfieldsGer |
10.1007/s11664-007-0144-2 doi (DE-627)SPR021481954 (SPR)s11664-007-0144-2-e DE-627 ger DE-627 rakwb eng Kim, Joong-Do verfasserin aut Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © TMS 2007 Wafer bumping technology using an electroless Ni/Au bump on a Cu patterned wafer is studied for the flip chip type CMOS image sensor (CIS) package for the camera module in mobile phones. The effect of different pretreatment steps on surface roughness and etching of Cu pads is investigated to improve the adherence between the Cu pad and the Ni/Au bump. This study measures the shear forces on Ni/Au bumps prepared in different ways, showing that the suitable pretreatment protocol for electroless Ni plating on Cu pads is “acid dip followed by Pd activation” rather than the conventional progression of “acid-dip, microetching, and Pd activation.” The interface between the Cu pad and the Ni/Au bump is studied using various surface analysis methods. The homogeneous distribution of catalytic Pd on the Cu pad is first validated. The flip chip package structure is designed, assembled, and tested for reliability. The successful flip chip bonding in the CIS package is characterized in terms of the cross-sectional structure in which the anisotropic conductive film (ACF) particles are deformed to about 1.5 μm in diameter. The experimental results suggest that electroless Ni/Au can be applied to the flip chip type CIS package using Cu patterned wafers for high mega pixel applications. Electroless Ni/Au bump (dpeaa)DE-He213 catalytic Pd (dpeaa)DE-He213 flip chip (dpeaa)DE-He213 CMOS image sensor (CIS) package (dpeaa)DE-He213 Enthalten in Journal of electronic materials Warrendale, Pa : TMS, 1972 36(2007), 7 vom: 30. Mai, Seite 775-782 (DE-627)324918739 (DE-600)2032868-0 1543-186X nnns volume:36 year:2007 number:7 day:30 month:05 pages:775-782 https://dx.doi.org/10.1007/s11664-007-0144-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 36 2007 7 30 05 775-782 |
allfieldsSound |
10.1007/s11664-007-0144-2 doi (DE-627)SPR021481954 (SPR)s11664-007-0144-2-e DE-627 ger DE-627 rakwb eng Kim, Joong-Do verfasserin aut Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © TMS 2007 Wafer bumping technology using an electroless Ni/Au bump on a Cu patterned wafer is studied for the flip chip type CMOS image sensor (CIS) package for the camera module in mobile phones. The effect of different pretreatment steps on surface roughness and etching of Cu pads is investigated to improve the adherence between the Cu pad and the Ni/Au bump. This study measures the shear forces on Ni/Au bumps prepared in different ways, showing that the suitable pretreatment protocol for electroless Ni plating on Cu pads is “acid dip followed by Pd activation” rather than the conventional progression of “acid-dip, microetching, and Pd activation.” The interface between the Cu pad and the Ni/Au bump is studied using various surface analysis methods. The homogeneous distribution of catalytic Pd on the Cu pad is first validated. The flip chip package structure is designed, assembled, and tested for reliability. The successful flip chip bonding in the CIS package is characterized in terms of the cross-sectional structure in which the anisotropic conductive film (ACF) particles are deformed to about 1.5 μm in diameter. The experimental results suggest that electroless Ni/Au can be applied to the flip chip type CIS package using Cu patterned wafers for high mega pixel applications. Electroless Ni/Au bump (dpeaa)DE-He213 catalytic Pd (dpeaa)DE-He213 flip chip (dpeaa)DE-He213 CMOS image sensor (CIS) package (dpeaa)DE-He213 Enthalten in Journal of electronic materials Warrendale, Pa : TMS, 1972 36(2007), 7 vom: 30. Mai, Seite 775-782 (DE-627)324918739 (DE-600)2032868-0 1543-186X nnns volume:36 year:2007 number:7 day:30 month:05 pages:775-782 https://dx.doi.org/10.1007/s11664-007-0144-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 36 2007 7 30 05 775-782 |
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Enthalten in Journal of electronic materials 36(2007), 7 vom: 30. Mai, Seite 775-782 volume:36 year:2007 number:7 day:30 month:05 pages:775-782 |
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author |
Kim, Joong-Do |
spellingShingle |
Kim, Joong-Do misc Electroless Ni/Au bump misc catalytic Pd misc flip chip misc CMOS image sensor (CIS) package Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones |
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Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones Electroless Ni/Au bump (dpeaa)DE-He213 catalytic Pd (dpeaa)DE-He213 flip chip (dpeaa)DE-He213 CMOS image sensor (CIS) package (dpeaa)DE-He213 |
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Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones |
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Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones |
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title_sort |
electroless ni/au bump on a copper patterned wafer for the cmos image sensor package in mobile phones |
title_auth |
Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones |
abstract |
Wafer bumping technology using an electroless Ni/Au bump on a Cu patterned wafer is studied for the flip chip type CMOS image sensor (CIS) package for the camera module in mobile phones. The effect of different pretreatment steps on surface roughness and etching of Cu pads is investigated to improve the adherence between the Cu pad and the Ni/Au bump. This study measures the shear forces on Ni/Au bumps prepared in different ways, showing that the suitable pretreatment protocol for electroless Ni plating on Cu pads is “acid dip followed by Pd activation” rather than the conventional progression of “acid-dip, microetching, and Pd activation.” The interface between the Cu pad and the Ni/Au bump is studied using various surface analysis methods. The homogeneous distribution of catalytic Pd on the Cu pad is first validated. The flip chip package structure is designed, assembled, and tested for reliability. The successful flip chip bonding in the CIS package is characterized in terms of the cross-sectional structure in which the anisotropic conductive film (ACF) particles are deformed to about 1.5 μm in diameter. The experimental results suggest that electroless Ni/Au can be applied to the flip chip type CIS package using Cu patterned wafers for high mega pixel applications. © TMS 2007 |
abstractGer |
Wafer bumping technology using an electroless Ni/Au bump on a Cu patterned wafer is studied for the flip chip type CMOS image sensor (CIS) package for the camera module in mobile phones. The effect of different pretreatment steps on surface roughness and etching of Cu pads is investigated to improve the adherence between the Cu pad and the Ni/Au bump. This study measures the shear forces on Ni/Au bumps prepared in different ways, showing that the suitable pretreatment protocol for electroless Ni plating on Cu pads is “acid dip followed by Pd activation” rather than the conventional progression of “acid-dip, microetching, and Pd activation.” The interface between the Cu pad and the Ni/Au bump is studied using various surface analysis methods. The homogeneous distribution of catalytic Pd on the Cu pad is first validated. The flip chip package structure is designed, assembled, and tested for reliability. The successful flip chip bonding in the CIS package is characterized in terms of the cross-sectional structure in which the anisotropic conductive film (ACF) particles are deformed to about 1.5 μm in diameter. The experimental results suggest that electroless Ni/Au can be applied to the flip chip type CIS package using Cu patterned wafers for high mega pixel applications. © TMS 2007 |
abstract_unstemmed |
Wafer bumping technology using an electroless Ni/Au bump on a Cu patterned wafer is studied for the flip chip type CMOS image sensor (CIS) package for the camera module in mobile phones. The effect of different pretreatment steps on surface roughness and etching of Cu pads is investigated to improve the adherence between the Cu pad and the Ni/Au bump. This study measures the shear forces on Ni/Au bumps prepared in different ways, showing that the suitable pretreatment protocol for electroless Ni plating on Cu pads is “acid dip followed by Pd activation” rather than the conventional progression of “acid-dip, microetching, and Pd activation.” The interface between the Cu pad and the Ni/Au bump is studied using various surface analysis methods. The homogeneous distribution of catalytic Pd on the Cu pad is first validated. The flip chip package structure is designed, assembled, and tested for reliability. The successful flip chip bonding in the CIS package is characterized in terms of the cross-sectional structure in which the anisotropic conductive film (ACF) particles are deformed to about 1.5 μm in diameter. The experimental results suggest that electroless Ni/Au can be applied to the flip chip type CIS package using Cu patterned wafers for high mega pixel applications. © TMS 2007 |
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container_issue |
7 |
title_short |
Electroless Ni/Au Bump on a Copper Patterned Wafer for the CMOS Image Sensor Package in Mobile Phones |
url |
https://dx.doi.org/10.1007/s11664-007-0144-2 |
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10.1007/s11664-007-0144-2 |
up_date |
2024-07-03T22:49:37.936Z |
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