Quick inspection of power-plane short fault on multichip module

Author

Chao, Fang-Lin ; Wu, Ruey-Beei

Author_Institution

Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan

fYear

1994

fDate

12-14 Sep 1994

Firstpage

50

Abstract

A current source is applied on the two diagonal corners of a power plane. By changing the current source to another pair of opposite corners, one can determine the associated zero voltage contour line. The intersection of the two zero voltage contour lines locates the position of the short fault. An analytical formula has been derived to give the potential distribution for the plane with rectangular shape. Excellent agreement with the exact short point validates the present inspection approach

Keywords

fault diagnosis; fault location; inspection; multichip modules; short-circuit currents; current source; inspection; multichip module; potential distribution; power plane corners; power-plane short fault location; rectangular shape plane; short fault position; zero voltage contour line; Chaos; Circuit faults; Costs; Inspection; Integrated circuit technology; Multichip modules; Nonhomogeneous media; Shape; Switching circuits; Voltage measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Electronics Manufacturing Technology Symposium, 1994. Low-Cost Manufacturing Technologies for Tomorrow's Global Economy. Proceedings 1994 IEMT Symposium., Sixteenth IEEE/CPMT International

Conference_Location

La Jolla, CA

Print_ISBN

0-7803-2037-9

Type

conf

DOI

10.1109/IEMT.1994.404693

Filename

404693