Kimball Physics
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| Brand | Kimball Physics |
|---|---|
| Base Compatibility | Zeiss, JEOL (JSM/GC/E), Hitachi S, Philips, Leica-AEI, PerkinElmer/ETEC, Camscan-AEI, Cameca-AEI, BioRad-AEI, Amray, VG-AEI |
| Cathode Materials | LaB₆ (single-crystal), CeB₆, Ta (tantalum disc), BaO-coated disc (low-temperature operation), Y₂O₃-coated Ir (poor-vacuum tolerant) |
| Base Types | Standard AEI ceramic, Compact CB-104 (Kimball Physics), Kovar/molybdenum pin variants, customer-supplied mount interface |
| Microflat Configurations | 60°–90° cone angles |
| microflat diameters | 6 µm, 15 µm, 20 µm (e.g., Code 60-06, 90-15, 90-20) |
| Richardson Constant | LaB₆ = 29 A·m⁻²·K⁻², CeB₆ = 3.6 A·m⁻²·K⁻² |
| Operating Vacuum | 1×10⁻⁶ Pa to 1×10⁻⁴ Pa (material-dependent) |
| Lifetime | >1,500 h (LaB₆, typical in UHV SEM/TEM conditions) |
| Certification | RoHS-compliant materials |