Microelectronics and the Built-Up-Bar Theory

[+] Author and Article Information
B. Mirman

Digital Equipment Corporation, ML05-3/E35, Maynard, MA 01754

J. Electron. Packag 114(4), 384-388 (Dec 01, 1992) (5 pages) doi:10.1115/1.2905469 History: Received April 01, 1992; Revised September 23, 1992; Online April 28, 2008


The Built-up-Bar (BUB) theory is presently gaining recognition in microelectronics. This theory offers a useful method for computing stresses and strains in multilayered structures. However, it cannot be safely applied outside of the inherent assumptions that facilitated the convenient simplification of the general equations. This paper discusses methods for solution of basic equations of the BUB theory and cautions analysts about certain pitfalls.

Copyright © 1992 by The American Society of Mechanical Engineers
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