Title :
SDI (strategic dual image) solution of PCB (printed circuit board) containing magnetic material
Author :
Cortial, Fabienne ; Yoshida, Shiro ; Tohya, Hirokazu ; Midorikawa, Yoichi ; Saito, Yoshifuru
Author_Institution :
C&C Res. Labs., NEC Europe Ltd., Sankt Augustin, Germany
Abstract :
One way to control electromagnetic interference (EMI) generated on a printed circuit board (PCB) operating at high frequency is to cover the power layer by a magnetic thin film. The device modeling makes it possible to analyze electromagnetic features and then to optimize the device performances. This paper presents the finite element modeling of a 2D axisymmetric, magnetodynamic, unbounded problem composed of a PCB containing a Mn-Zn ferrite thin film. Hysteresis is taken into account in the computation. The final solution is obtained by using the strategic dual image method (SDI). The results show especially the good performances of this device configuration at high frequency, up to 1 GHz
Keywords :
electromagnetic interference; finite element analysis; magnetic hysteresis; magnetic thin films; manganese alloys; printed circuits; zinc alloys; 2D axisymmetric magnetodynamic unbounded problem; EMI control; Mn-Zn; Mn-Zn ferrite thin film; PCB; device modeling; device performance optimisation; electromagnetic features analysis; electromagnetic interference; finite element modeling; high frequency operation; hysteresis; magnetic thin film; power layer; printed circuit board; strategic dual image method; Electromagnetic analysis; Electromagnetic devices; Electromagnetic interference; Electromagnetic modeling; Frequency; Magnetic analysis; Magnetic films; Performance analysis; Power generation; Printed circuits;
Conference_Titel :
Power Electronics Specialists Conference, 1998. PESC 98 Record. 29th Annual IEEE
Conference_Location :
Fukuoka
Print_ISBN :
0-7803-4489-8
DOI :
10.1109/PESC.1998.703404
