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Ordinary ceramics appear white
due to light scattered by the pores formed at the intersection
of grain boundaries. Murata has greatly reduced the occurrence
of pores in highly dielectric ceramics by making denser and
more evenly homogenous ceramics through the optimization of
production processes, in order to attain higher features. As
a result, we have developed transparent ceramics(LUMICERA ).
LUMICERA is anticipated to broaden the horizon for optical
materials. CERABRID, on the other hand, is a free-forming
dielectric compound material with good high frequency characteristics,
made from a combination of high-frequency dielectric ceramics
and resin. It answers the needs of the ubiquitous age by fitting
internal antennas into a minute gap in a mobile terminal for
design flexibility or functioning as a wearable terminal material.
Both of those materials represent new material technology which
pioneers a new possibility in ceramics. |
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The refractive index of the transparent
ceramics is 2.08(  =
587 nm). It is quite high compared with that of conventional
optical glasses (between 1.5 to 1.8). Furthermore, as
there is no birefringence in the ceramics, there is a
potential for downsizing and advancement of optical devices
with optical elements, such as lenses. |
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