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February 21st, 2006
World's Smallest Fiber-Optic Electric Field Probe
Abstract:
NEC Corporation today announced the successful development of the world's smallest fiber-optic electric field probe, enabled through the adoption of a nanotechnology process. The newly developed probe consists of an optical fiber and an electro-optical film that is formed at its edge, which acts as a field sensor. As its lateral size of approximately 125 micrometer is equivalent to that of the diameter of an optical fiber, the probe can be inserted into narrow spaces such as the crevice between a ball grid array (BGA) LSI package and a printed circuit board (200 - 300 micrometer), enabling evaluation of the electrical characteristics of high-density packaged electronic circuits on printed circuit boards (PCBs). It can therefore be utilized to create electrical designs for high-density electronic packages toward the realization of low-noise/low-electromagnetic interference (EMI) level circuits.
Source:
japancorp.net
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