NDLI: On the two-dimensional capacitance calculation of multiconductor multilayered interconnects

Content Provider	Springer Nature Link
Author	Ymeri, H. Nauwelaers, B. Maex, K.
Copyright Year	2001
Abstract	In this paper a method for analysis and modelling of transmission interconnect lines on multilayered dielectric media is presented. The analysis is based on semianalytical layered Green’s function and the electromagnetic concept of free charge density. It allows us to obtain integral equations between electric scalar potential and charge density distributions. These equations are solved by the Galerkin procedure of the Method of Moments. After this, the capacitance matrix of multiconductor interconnect lines in the presence of planar dielectric interfaces is calculated. When there exists no infinite ground plane, we enforce the constraint that the sum of all free charges is zero. The feasibility of the method has been shown by simulations of several transmission-line problems. The results have been compared with reported data obtained by free-space Green’s function method, conformai mapping formulas, generalized method of lines and inverted capacitance coefficient matrix technique. The proposed approach is not inferior to other procedures in terms of generality and memory requirements. At the same time, a reduction of the central processing unit (cpu) time is achieved because the integral equations are solved numerically only on the surface of conductor lines.Ľarticle présente une méthode ďanalyse et de modélisation pour des lignes ďinterconnexion sur milieu diélectrique multicouche. Ľanalyse est fondée sur une fonction de Green semi-analytique du milieu multicouche et sur le concept électromagnétique de densité de charge libre. Elle permet ďobtenir des équations intégrales entre le potentiel électrique scalaire et les distibutions des densités de charge. Ces équations sont résolues par la procédure de Galerkin de la méthode des moments. On calcule ensuite la matrice des capacités des lignes ďinterconnexion à conducteurs multiples en présence ďinterfaces diéléctriques planes. En ľabsence de plan de terre infini, il faut ajouter la contrainte que la somme de toutes les charges libres est nulle. La faisabilité de la méthode est montrée par des simulations de plusieurs problèmes de lignes de transmission. Les résultats ont été comparés à des données obtenues par la méthode de la fonction de Green en espace libre, par des formules de mappage conforme, par la méthode généralisée des lignes et par la technique ďinversion de la matrice des capacités. La méthode proposée n’est pas moins bonne en ce qui concerne la généralité et les besoins en mémoire. Elle permet cependant de réduire le temps ďutilisation de ľunité centrale parce que les équations intégrales ne sont résolues numériquement que sur la surface des conducteurs.
Starting Page	550
Ending Page	559
Page Count	10
File Format	PDF
ISSN	00034347
Journal	Annales Des Télécommunications
Volume Number	56
Issue Number	9-10
e-ISSN	19589395
Language	French
Publisher	Springer-Verlag
Publisher Date	2001-01-01
Publisher Place	Paris
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ligne transmission Interconnexion Structure multicouche Ligne multiconducteur Ligne couplée Capacité électrique Matrice Méthode moment Fonction Green Méthode Galerkin Milieu dissipatif Communications Engineering, Networks Information Systems and Communication Service Signal, Image and Speech Processing Computer Communication Networks Information and Communication, Circuits R & D/Technology Policy
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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