Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Kisu Joo"'
Autor:
Sang-Won Park, Ho Yeong Jeong, Jin-Ho Yoon, Se Young Jeong, Kisu Joo, Seung-Jae Lee, Byoung Woong Moon
Publikováno v:
2021 IEEE 71st Electronic Components and Technology Conference (ECTC).
We demonstrated the new strip-level EMI shielding process with a spray method. Test PKGs having dimension of 300um width and l, 200um height were fabricated to evaluate feasibility of strip-level EMI shielding. As a result, spray can coat the total a
Autor:
Kisu Joo, Hyun Jun Sung, Hyun Ho Park, Seung-Jae Lee, Se Young Jeong, Kyu Jae Lee, Yoon-Hyun Kim
Publikováno v:
2020 IEEE 70th Electronic Components and Technology Conference (ECTC).
The magnetic permeability and thickness of magnetic films and their effects on the EMI shielding effectiveness at 1 MHz were investigated. Various kinds of magnetic films having a thickness of 100μm~500μm and a permeability of 50μ~300μ were fabri
Publikováno v:
International Symposium on Microelectronics. 2018:000734-000740
We studied and demonstrated high-performance Ag epoxy composites. A variety of shaped Ag particles were teste to optimize the electrical properties and mechanical reliability. The resulting Ag epoxy composites containing flake-shaped Ag particles sho
Autor:
Kyu Jae Lee, Seung-Jae Lee, Se Young Jeong, Kisu Joo, Jung Woo Hwang, Yoon-Hyun Kim, Hyun Ho Park
Publikováno v:
2019 IEEE 69th Electronic Components and Technology Conference (ECTC).
The effects of the electrical resistivity and permeability of conductive paste and magnetic paste materials on the near-field shielding effectiveness (SE) were investigated using strip-line and loop-probe methods. The silver paste of 3.4 x 10^-5Ω·c
Publikováno v:
2018 IEEE 20th Electronics Packaging Technology Conference (EPTC).
We studied and demonstrated high-performance Ag epoxy composites. A variety of shaped Ag particles were teste to optimize the electrical properties and mechanical reliability. The resulting Ag epoxy composites containing flake-shaped Ag particles sho
Autor:
Sung-Soon Choi, Boo Taek Lim, Kisu Joo, Boung Ju Lee, Euijoon Yoon, Tae-Ryong Kim, Se Young Jeong, Myung Jin Yim
Publikováno v:
2018 IEEE 68th Electronic Components and Technology Conference (ECTC).
In this study, an alumina coated silver core/shell structure particles were prepared through a solgel approach. Various techniques were used to characterize the as-prepared products, including field emission scanning electron microscopy (FE-SEM), fie
Autor:
Joo-Wook Park, Kisu Joo, Jung Woo Hwang, Se Young Jeong, Yoon-Hyun Kim, Jin-Ho Yoon, Kyu Jae Lee, Myung Jin Yim
Publikováno v:
2018 IEEE 68th Electronic Components and Technology Conference (ECTC).
In order to apply silver (Ag) epoxy composites to the FCBGA, we investigated how a variety condition of Ag epoxy composites such as curing temperature, Ag contents, and film thickness effects the electrical resistivity of shielding layer formed by Ag
Publikováno v:
2017 IEEE 67th Electronic Components and Technology Conference (ECTC).
A variety of shaped Ag particles was tested to obtain optimized electrical resistivity and mechanical reliability. We also studied the effect of the spray machine's parameters such as pressure, speed, and droplet size on uniformity of sprayed conduct
Autor:
Sung-Soon Choi, Kisu Joo, Boo Taek Lim, Tae-Ryong Kim, Se Young Jeong, Euijoon Yoon, Myung Jin Yim, Boung Ju Lee
Publikováno v:
2017 IEEE 67th Electronic Components and Technology Conference (ECTC).
In this study, we investigated the correlation between thermal conductivity and insulative shell thickness of SiO2 coated Ag (SCA) particles for the thermal filler material in the high performance underfill with focus on improved thermal conductivity
Publikováno v:
Nanoscale. 6:10100-10105
We demonstrate a one-step fabrication of patterned graphene on SiO2 substrates through a process free from catalysts, transfer, and lithography. By simply placing a shadow mask during the plasma enhanced chemical vapor deposition (PECVD) of graphene,