Title :
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
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;
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
DOI :
10.1109/IEMT.1994.404693
