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Sixth Asian Test Symposium (ATS'97)
Novel Optical Probing System for Quarter-micron VLSI Circuits
Akita, JAPAN
November 17-November 18
ISBN: 0-8186-8209-4
K. Ozaki, Fujitsu Laboratories Ltd.
H. Sekiguchi, Fujitsu Laboratories Ltd.
S. Wakana, Fujitsu Laboratories Ltd.
Y. Goto, Fujitsu Laboratories Ltd.
Y. Umehara, Advantest Corporation
J. Matsumoto, Advantest Corporation
An e-beam tester is widely used for the internal analysis of LSI circuits. However, its low waveform acquisition speed is a significant drawback for LSI circuits featuring high integration and high speed. We have introduced a novel optical probing system applicable to quarter-micron VLSI circuits. Based on an electro-optic sampling technique, this probing system achieved a sub-micron spatial resolution by utilizing the scanning force microscope technique. This system can measure internal signal waveforms of VLSI circuits much faster than e-beam testers, and can measure the DC voltage level, which is not possible with e-beam testers.
Index Terms:
VLSI Circuits, Internal analysis, Prober, Electro-optic Sampling, Scanning Force Microscope, waveform, DC voltage
Citation:
K. Ozaki, H. Sekiguchi, S. Wakana, Y. Goto, Y. Umehara, J. Matsumoto, "Novel Optical Probing System for Quarter-micron VLSI Circuits," ats, pp.208, Sixth Asian Test Symposium (ATS'97), 1997
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