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Experimental characterization and modeling of the mechanical properties of Cu–Cu thermocompression bonds for three-dimensional integrated circuits

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Experimental characterization and modeling of the mechanical properties of Cu–Cu thermocompression bonds for three-dimensional integrated circuits
นักวิจัย : Made, Riko I. , Gan, Chee Lip , Yan, Li Ling , Kor, Katherine Hwee Boon , Chia, Hong Ling , Pey, Kin Leong , Thompson, Carl V.
คำค้น : DRNTU::Engineering::Electrical and electronic engineering::Integrated circuits.
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2555
อ้างอิง : Made, R. I., Gan, C. L., Yan, L., Kor, K. H. B., Chia, H. L., Pey, K. L., et al. (2012). Experimental characterization and modeling of the mechanical properties of Cu–Cu thermocompression bonds for three-dimensional integrated circuits. Acta Materialia, 60(2), 578–587. , http://hdl.handle.net/10220/8174 , http://dx.doi.org/10.1016/j.actamat.2011.09.038 , 166522
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Acta materialia
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

An analytical model is proposed which relates the bonding temperature, pressure and duration with the integrity of metal–metal thermocompressionbonds. Unlike previous models, this approach takes into account the pressure-dependent time evolution of the thermocompressionbond formation. The model allows calculation of the true contact area of rough surfaces, based on a creep-dominated plastic deformation. Verification of the model was provided through experiments on Cu–Cuthermocompressionbonds of electroplated Cu on diced silicon wafers with chemically/mechanically polished surfaces. The samples were bonded at a range of temperatures, pressures and times. Shear strength measurements were used to characterize the effects of the bonding parameters on the interface bond strength. Calculated true contact area and bond shear strength can be related by a single proportionality factor. The model can be used to predict the thermocompressionbond quality for given bonding parameters and process optimization for reliable bonds, thus assisting in the adoption of the Cuthermocompressionbond process in three-dimensionalintegratedcircuit applications.

บรรณานุกรม :
Made, Riko I. , Gan, Chee Lip , Yan, Li Ling , Kor, Katherine Hwee Boon , Chia, Hong Ling , Pey, Kin Leong , Thompson, Carl V. . (2555). Experimental characterization and modeling of the mechanical properties of Cu–Cu thermocompression bonds for three-dimensional integrated circuits.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Made, Riko I. , Gan, Chee Lip , Yan, Li Ling , Kor, Katherine Hwee Boon , Chia, Hong Ling , Pey, Kin Leong , Thompson, Carl V. . 2555. "Experimental characterization and modeling of the mechanical properties of Cu–Cu thermocompression bonds for three-dimensional integrated circuits".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Made, Riko I. , Gan, Chee Lip , Yan, Li Ling , Kor, Katherine Hwee Boon , Chia, Hong Ling , Pey, Kin Leong , Thompson, Carl V. . "Experimental characterization and modeling of the mechanical properties of Cu–Cu thermocompression bonds for three-dimensional integrated circuits."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print.
Made, Riko I. , Gan, Chee Lip , Yan, Li Ling , Kor, Katherine Hwee Boon , Chia, Hong Ling , Pey, Kin Leong , Thompson, Carl V. . Experimental characterization and modeling of the mechanical properties of Cu–Cu thermocompression bonds for three-dimensional integrated circuits. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.