Gold

Au

Gold

Data Sheet

Physical Properties

  • Melting point: 1064.18°C
  • Density: 19.32 g/cm³
  • Thermal Conductivity: 318 W/m·K
  • Electrical Resistivity: 2.214 µΩ·cm at 20°C

Chemical Properties

  • Atomic Number: 79
  • Atomic Weight: 196.97 amu
  • Crystal Structure: Face-Centered Cubic (FCC)

Applications

  • Electronics: Microelectronics for interconnects, conductive layers, UBM, connectors, and bonding wires
  • Optics: Reflective coatings and optical filters
  • Medical: Biocompatible coatings and implants
  • Sensors: Surface Plasmon Resonance (SPR) sensors
  • Aerospace: Reflective Coatings
  • Energy: Photovoltaics & Fuel Cells

Forms

Sputtering Targets
(any dimension)
Diameter, Rectangular, Delta & Rotatable configurations

Gold sputtering target for 300mm PVD system

Evaporation Material
(any dimension)
Pellets, Starter Sources or Wire

Gold pellets .250” x .250”

Purity Guide

Purity  LevelMetallic Impurities Allowed (PPM)
(2N) 99%99%10,000
(2N5)99.5%5,000
(3N)99.9%1,000
(3N5)99.95%500
(4N)99.99%100
(4N5)99.995%50
(5N)99.999%10
(5N5)99.9995%  5
(6N)99.9999%  1

Example of an Actual Certificate of Analysis

Element PPM LevelElement PPM Level
C<10HfND
H<5In<0.1
O<15KND
N<15LiND
Ag<4Mg<0.1
AlNDMnND
AsNDMoND
AuBalNaND
BNDNbND
BaNDNiND
BeNDPND
BiNDPb<0.1
CaNDPd<0.2
CdNDPt<2.5
CeNDSbND
ClNDSi<0.1
CoNDSn<0.2
CrNDTaND
CsNDTiND
Cu<0.2VND
Fe<1.5WND
GaNDZnND
GeNDZr<0.1
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