For semiconductor work and research. 100 × 100 mm standard size.
In short: four high-purity metal sheets — indium (In), silver (Ag), cobalt (Co) and chromium (Cr). Indium has a very low melting point (157 °C) and is used for low-temperature soldering and thermal interfaces; silver is the benchmark for electrical and thermal conductivity; cobalt is used in magnetic materials and battery research; chromium mainly in hard coatings and sputtering targets. All four come in a 100 × 100 mm standard size.
Materials compared
| Material | Melting point (°C) | Key properties | Typical uses |
|---|---|---|---|
| High-purity indium (In) | 157 | Very low melting point, soft and easily deformed | Low-temperature solder, thermal interface material in semiconductor packaging, InP substrate research |
| High-purity silver (Ag) | 962 | Highest electrical (6.3 × 10⁷ S/m) and thermal (429 W/m·K) conductivity of the metals | Electrical contacts, high-power circuits, antibacterial films, electrochemical electrodes |
| High-purity cobalt (Co) | 1495 | Ferromagnetic (Curie point 1115 °C), wear resistant, hard | Magnetic thin-film research, lithium battery cathode research, cemented carbides |
| High-purity chromium (Cr) | 1907 | Very hard, corrosion resistant, stable at high temperature | PVD/CVD targets, hard chrome substrates, stainless steel alloying research |
Stock sizes
| Material | Thickness | Sizes | Notes |
|---|---|---|---|
| Indium | 0.03–2 mm | 50 × 50 / 100 × 100 mm | 0.03 mm also in 50 × 50 mm; very soft, protect thin sheets from pressure |
| Silver | 0.01–3 mm | 40 × 100 / 50 × 100 / 100 × 100 mm | 0.01–0.1 mm sheets are 50 × 100 or 40 × 100 mm (not square) |
| Cobalt | 0.03–5 mm | 50 × 100 / 100 × 100 mm | 0.05 mm also in 50 × 100 mm; brittle, do not bend thin sheets |
| Chromium plate | 0.5–10 mm | 50 × 50 / 100 × 100 mm | From 0.5 mm; 0.5 mm also in 50 × 50 mm; hard, needs special cutting tools |
Note on silver
Silver is a precious metal and costs more than the other sheets on this page. Quotes depend on the size and the silver price on the day. For several sizes in small quantities, send them in one inquiry.
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