Adding functionality to microchips by wafer post-processing

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Schmitz, J. (2007) Adding functionality to microchips by wafer post-processing. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 576 (1). pp. 142-149. ISSN 0168-9002

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Abstract:The traditional microchip processes, stores and communicates electrical information. Here we review an emerging class of microchips that have additional functionality through extra integrated components in the chip. In the final manufacturing stage, layers are added on top of the chip, with a specific property such as sensitivity to ionizing radiation. This paper reviews the technology underlying these monolithic microsystems, including the incorporation of new materials, the unconventional application of photoresist layers, and low-temperature technology for suspended membranes. The manufacturing of exemplary microsystems, such as the active pixel sensor and liquid-crystalon-silicon, is detailed. A new class of fully integrated radiation imaging systems is now technologically within reach.
Item Type:Article
Copyright:© Elsevier Science
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/63977
Official URL:http://dx.doi.org/10.1016/j.nima.2007.01.142
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