- PCB
Duroid material...
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promoted its
Malthoid roofing materials with a 16-page booklet. In 1941, the
Duroid Company began making Malthoid in Onehunga, New Zealand.
Malthoid was once...
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thermal expansion roughly matches e.g.
printed circuit boards, FR-4, and
Duroid. Its
density at 25 °C is 2.96 g/cm3. AlSiC-12,
containing 63 vol.% of A...
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alter the
frequency for a
given size.
Dielectric mediums like
Rogers RT
Duroid help in
reducing the
physical size of antenna. Thin
substrates with higher...
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demolished at this time. In the 1940s, the old
ironworks site was
occupied by
Duroid Products (New Zealand) Limited. The
brick chimney and some
structures of...
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Teflon (ε=2.1), Kapton, (ε=3.1), fibergl**** (ε-4.5) or
various forms of
duroid (ε=6.0, 10.2). The
sheet may
range in
thickness from a few
thousandths of...
