silver epoxy
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Materials ◽  
2021 ◽  
Vol 14 (19) ◽  
pp. 5626
Author(s):  
Mei-Ling Wu ◽  
Jia-Shen Lan

A hermetic Micro-Electro-Mechanical Systems (MEMS) package with a metal lid is investigated to prevent lid-off failure and improve its reliability during the precondition test. While the MEMS package benefits from miniaturization and low cost, a hermetic version is highly sensitive to internal pressure caused by moisture penetration and the reflow process, thus affecting its reliability. In this research, the finite element method is applied to analyze the contact stress between the metal lid and the silver epoxy by applying the cohesive zone model (CZM). Moreover, the red dye penetration test is applied, revealing a microcrack at the metal lid/silver epoxy interface. Further analyses indicate that the crack is caused by internal pressure. According to the experimental testing and simulation results, the silver epoxy material, the curing process, the metal lid geometry, and the bonding layer contact area can enhance the bonding strength between the metal lid and the substrate.


2019 ◽  
Vol 3 (31) ◽  
pp. 249-258
Author(s):  
L. F. Diaz-Ballote ◽  
David O. Wipf
Keyword(s):  

RSC Advances ◽  
2019 ◽  
Vol 9 (36) ◽  
pp. 20663-20669 ◽  
Author(s):  
Yanchao Li ◽  
Guoyou Gan ◽  
Yukuan Huang ◽  
Xianglei Yu ◽  
Junhua Cheng ◽  
...  

Heat dissipation is a critical issue in high-performance electronics, which needs to be solved, and an electronic paste is a good choice to solve this issue.


Materials ◽  
2018 ◽  
Vol 11 (9) ◽  
pp. 1621 ◽  
Author(s):  
Tao Zhang ◽  
Jun Ou-Yang ◽  
Xiaofei Yang ◽  
Benpeng Zhu

Approximately 25 μm Pb(Mg1/3Nb2/3)O3–PbTiO3 (PMN-PT) thick film was synthesized based on a sol-gel/composite route. The obtained PMN-PT thick film was successfully transferred from the Silicon substrate to the conductive silver epoxy using a novel wet chemical method. The mechanism of this damage free transfer was explored and analyzed. Compared with the film on Silicon substrate, the transferred one exhibited superior dielectric, ferroelectric and piezoelectric properties. These promising results indicate that transferred PMN-PT thick film possesses the capability for piezoelectric device application, especially for ultrasound transducer fabrication. Most importantly, this chemical route opens a new path for transfer of thick film.


Plasmonics ◽  
2018 ◽  
Vol 13 (6) ◽  
pp. 2099-2109
Author(s):  
Enrique Barrera ◽  
Federico González ◽  
Celso Velásquez ◽  
María Luisa Ojeda ◽  
Marciano Sánchez ◽  
...  

2017 ◽  
Vol 29 (3) ◽  
pp. 1837-1846 ◽  
Author(s):  
Pengxiang Si ◽  
Josh Trinidad ◽  
Li Chen ◽  
Brenda Lee ◽  
Alex Chen ◽  
...  

Langmuir ◽  
2017 ◽  
Vol 33 (39) ◽  
pp. 10248-10258 ◽  
Author(s):  
Ignacio E. dell’Erba ◽  
Francisco D. Martínez ◽  
Cristina E. Hoppe ◽  
Guillermo E. Eliçabe ◽  
Marcelo Ceolín ◽  
...  

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