Patent Document ID: 20070214442
Application ID: 11435710
Patent Flag: 0

Claim One:
1. A method for predicting inductance and self-resonant frequency of a spiral inductor, characterized by the steps of: (1). determining the material parameters and dimensions of a spiral inductor; (2). calculating magnetic factor α for determining paramagnetic and diamagnetic characteristic constrained by material and geometry of the presented inductor according to step (1); (3). evaluating kinetic energy (E L ), electric field ({right arrow over (E)}(r)) constrained in corners in the inductor, and scattering energy (E C ) due to free electron suffer the field in the corners; (4). determining the self-resonant frequency ω r of the two-port freely suspended spiral inductor; (5). according to the material parameters and dimensional of the inductor determined in step (1) to optimize the self-resonant frequency; (6). relying on the result in step (5) to calculus the frequency-depended inductance of the two-port freely suspended spiral inductor; (7). relying on the results in step (1) and (5) to optimize the inductance; thus, the optimum self-resonant frequency and inductance can be obtained.