Polyester-Insulated Gold Wire

Polyester-Insulated Gold Wire offers a combination of electrical stability, thermal resistance, and mechanical strength, making it an exceptional choice for advanced electronic systems. The polyester coating provides a robust dielectric layer that is chemically stable and resistant to thermal degradation, enhancing its durability in demanding conditions. Gold as the core conductor contributes superior electrical conductivity and corrosion resistance, ensuring signal integrity over extended use. This wire is extensively applied in medical implants, microelectronic interconnects, and aerospace instrumentation, where miniaturization and biocompatibility are critical. Specifically, it is used in cortical neural interfaces, subdural electrodes, and precision circuit assemblies, where high reliability and low impedance are essential. Its role in long-term neural implantation research demonstrates its low inflammatory response and insulation stability within biological tissues. The wire's performance under high-voltage stress and in thermally challenging environments further emphasizes its reliability. Its importance lies in pushing the boundaries of implantable electronics and enabling next-generation neurotechnologies.

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Tolerance

Properties

Reference & Citations

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Tolerances

Insulated Wire

Conductor Diameter		±10%
Insulation Thickness		Nominal
Length		+5% / -1%

Material Properties for Precious Metals

Atomic Properties

Element	Value
Atomic number	79
Crystal structure	Face centred cubic
Electronic structure	Xe 4f¹⁴ 5d¹⁰ 6s¹
Valences shown	1,3
Atomic weight( amu )	196.9665
Thermal neutron absorption cross-section( Barns )	98.8
Photo-electric work function( eV )	4.8
Atomic radius - Goldschmidt( nm )	0.144
Ionisation potential( No./eV )	1/ 9.22
Ionisation potential( No./eV )	2/ 20.5

Mechanical Properties

Element	Value
Material condition	Soft
Material condition	Hard
Poisson's ratio	0.42
Poisson's ratio	0.42
Bulk modulus( GPa )	171
Bulk modulus( GPa )	171
Tensile modulus( GPa )	78.5
Tensile modulus( GPa )	78.5
Hardness - Vickers( kgf mm⁻² )	20-30
Hardness - Vickers( kgf mm⁻² )	60
Tensile strength( MPa )	130
Tensile strength( MPa )	220
Yield strength( MPa )	205
Yield strength( MPa )	-

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	2.20@20@20°C
Temperature coefficient( K⁻¹ )	0.004@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.74

Physical Properties

Element	Value
Boiling point( C )	3080
Density( gcm⁻³ )	19.3@20°C

Thermal Properties

Element	Value
Melting point( C )	1064.4
Latent heat of evaporation( J g⁻¹ )	1738
Latent heat of fusion( J g⁻¹ )	64.9
Specific heat( J K⁻¹ kg⁻¹ )	129@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	318@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	14.1@0-100°C