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Ansoft Designer / Ansys Designer 在线帮助文档：

Transmission Line Designer >
TRL Capabilities >
Conductor Composition

Conductor Composition

Conductor metallizations are selected from the Metallization group in the Main TRL dialog. A blank or selection of none corresponds to an ideal conductor with zero thickness. One to three metallization overlay layers can be specified by selecting the metal types and thickness.

METAL CODES AND RESISTIVITIES TABLE
Material	Metal Code	Resistivity (μΩ * cm)	Material	Metal Code	Resistivity (μΩ * cm)
aluminum	AL	2.65	rhodium	RH	4.51
chromium	CR	18 **	rolled copper	RC	1.673 ***
copper	CU	1.673	silver	AG	1.59
gold	AU	2.44 *	superconductor	SC	0
indium	IN	15.52	tantalum	TA	15.52
iridium	IR	5.30	tantalum nitride	TN	2.50
iron	FE	9.66	tin	SN	11.55
magnesium	MG	4.45	titanium	TI	55.0
molybdenum	MO	5.69	tungsten	W	5.6
nickel	NI	8.707	zinc	ZN	5.68
palladium	PD	10.69	zirconium	ZR	4.10
platinum	PT	10.62

* Resistivity correction is applied when the metallization thickness is less than 0.03 μm.

** Resistivity correction is applied when the thickness is less than 0.1 μm.

*** Thickness of rolled copper is given in ounces of copper (1 oz = 0.00135 in).

Note

If metallization material is specified but the conductor thickness is not, the conductor loss will be zero.

Metallization surface roughness, RGH, can be specified for additional conductor loss calculations due to a nonideal metal surface. RGH is specified as the RMS variation from an ideal flat surface (in units of dimensions). RGH appears in each medium’s Metallization control group as appropriate.

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