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海德创业(北京)生物科技有限公司
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标准Denka M-3型六硼化镧灯丝Standard Denka Model 3 LaB6 Cathodes,在SEM、TEM、X-Ray、Electron Beam Lithography等领域应用,六硼化镧都是Z佳的阴极材料。
标准Denka M-3型六硼化镧灯丝Standard Denka Model 3 LaB6 Cathodes,在SEM、TEM、X-Ray、Electron Beam Lithography等领域应用,六硼化镧都是*的阴极材料。
90° Cone Angle | 60° Cone Angle |
20µ radius | 20µ radius |
40µ radius | 40µ radius |
60µ radius | 60µ radius |
100µ radius | 100µ radius |
60° Cone Angle |
5µ radius |
10µ radius |
Flat Tip | Standard (round) Tip | Sharp Tip | |
Brightness | About 5 times that of tungsten, 2-5x105 A/cm2· Str | About 10 times that of tungsten, 1x106 A/cm2· Str | Twice as bright as standard tips 2x106 A/cm2· Str |
Saturation | Mono spot at about 1,400°C | Mono spot at about 1,500°C. | Almost the same as standard tips |
Crossover | Large (11-13µ) | Small (7-10µ) | Small (7-10µ) |
Angular distribution | Broad, 3.3-4.2x10-2 rad | Sharp1.6 x10-2 rad | Sharp1.6 x10-2 rad |
Used Temperature | Low temperature | Low temperature | High temperature. |
Lifetime | Long life; usable at low temperatures and crystallized end changes slowly. | Long life but shorter than flat tips. | Short |
Operation | Easy; thanks to its large spot size and broad adjusting range. | Not so difficult. | Difficult; Point adjustment needed! |
Stability | High; vulnerable to thermal expansion or vibration. | High | Middle;. Vulnerable to the thermal expansion or vibration. Adjustment is sometimes necessary. |
Technology Needed | Ordinary | High | Very high |
货号 | 产品 | 规格 |
80900 | Denka M-3 LaB6 Standard for JEOL | 个 |
80902 | Denka M-3 LaB6 Standard for Philips | 个 |
80904 | Denka M-3 LaB6 Standard for AMRAY | 个 |
80906 | Denka M-3 LaB6 Standard for Cambridge | 个 |
80908 | Denka M-3 LaB6 Standard for Hitachi 90-15 | 个 |
80910 | Denka M-3 LaB6 Standard for ISI SEM | 个 |
80912 | Denka M-3 LaB6 Standard for ISI TEM | 个 |
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