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The design of the ES/9000 module

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5 Author(s)
E. E. Davidson ; IBM Gen. Technol. Div., Hopewell Junction, NY, USA ; P. W. Hardin ; G. A. Katopis ; M. G. Nealon
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The ES/9000 thermal conduction module (TCM) is a significant improvement over the TCMs used in the current IBM 3090 series of mainframes. Included in the features of this module, which supports an order of magnitude increase in usable circuits, are a glass ceramic substrate material, buried engineering change wires, partial thin film redistribution, and on-module decoupling capacitors. The physical attributes and the electrical design considerations are described. The result is a packaged electronic technology that supports a machine cycle time that is approximately two times faster than the original 3090 technology

Published in:

IEEE Transactions on Components, Hybrids, and Manufacturing Technology  (Volume:14 ,  Issue: 4 )