供货周期: | 现货 |
品牌: | EMS |
货号: | 80900 |
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,六硼化镧都是最佳的阴极材料。
特征:
l 低干扰
l 熔点高、热稳定性好
l 低蒸发压,减少材料损失
l 化学性质稳定
l 亮度高,10倍于钨丝亮度,Denka M-3初始亮度值1 x 106 A/cm2。
l 寿命长,温度和真空决定灯丝的使用寿命。在1550°C和 10-7 Torr时,M-3的使用寿命在500小时。
l 安装方便
标准灯丝一般有三种形状:
l 标准尖Standard Tips,也即90°圆锥体/圆尖,,半径15μ。
l 平尖Flat (Truncated) Tips,圆锥体截去顶端。平尖是优先选择的,稳定性和使用寿命是我们的主要考虑因素,亮度有时需要做出一点牺牲。平尖有两种角度的椎体90°和60°,多种半径尺寸可供选择。
l 尖尖Sharp Tips,也即60°圆锥体/圆尖,半径有5μ和10μ,当需要很高的初始亮度而使用寿命暂不考虑时,尖尖就是最佳选择。
性能参数:
标准尖Standard Tips | 平尖Flat Tips | 尖尖Sharp Tips | |
Brightness | About 10 times that of tungsten, | About 5 times that of tungsten, | Twice as bright as standard tips |
Saturation | Mono spot at about 1,500°C. | Mono spot at about 1,400°C | Almost the same as standard tips |
Crossover | Small (7-10μ) | Large (11-13μ) | Small (7-10μ) |
Angular distribution | Sharp1.6 x10-2 rad | Broad, 3.3-4.2x10-2 rad | Sharp1.6 x10-2 rad |
Used Temperature | Low temperature | Low temperature | High temperature. |
Lifetime | Long life but shorter than flat tips. | Long life; usable at low temperatures and crystallized end changes slowly. | Short |
Operation | Not so difficult. | Easy; thanks to its large spot size and broad adjusting range. | Difficult; Point adjustment needed! |
Stability | High | High; vulnerable to thermal expansion or vibration. | Middle;. Vulnerable to the thermal expansion or vibration. Adjustment is sometimes necessary. |
Technology Needed | High | Ordinary | Very high |
订购信息:
货号 | 产品描述 | 规格 |
80900-05 | Denka M-3 LaB6 Standard for JEOL 60-5UM | 个 |
80900-10 | Denka M-3 LaB6 Standard for JEOL 60-10UM | 个 |
80900-11 | Denka M-3 LaB6 Standard for JEOL 90-20UM | 个 |
80900-20 | Denka M-3 LaB6 Standard for JEOL 60-20UM | 个 |
80900-21 | Denka M-3 LaB6 Standard for JEOL 90-21UM | 个 |
80900-40 | Denka M-3 LaB6 Standard for JEOL 60--40UM | 个 |
80900-41 | Denka M-3 LaB6 Standard for JEOL 90-41UM | 个 |
80900-60 | Denka M-3 LaB6 Standard for JEOL 60-60UM | 个 |
80900-61 | Denka M-3 LaB6 Standard for JEOL 90-60UM | 个 |
80900-80 | Denka M-3 LaB6 Standard for JEOL 60-80UM | 个 |
80900-100 | Denka M-3 LaB6 Standard for JEOL 60-100UM | 个 |
80900-101 | Denka M-3 LaB6 Standard for JEOL 90-100UM | 个 |
80900-05 | Denka M-3 LaB6 Standard for JEOL JEOL 60-5UM | 个 |
80904-5 | Denka M-3 LaB6 Standard for KF SHARP 60-5UM | 个 |
80904-10 | Denka M-3 LaB6 Standard for KF SHARP 60-10UM | 个 |
80904-20 | Denka M-3 LaB6 Standard for KF FLAT TIP 60-20UM | 个 |
80904-21 | Denka M-3 LaB6 Standard for KF FLAT TIP 90-20UM | 个 |
80904-40 | Denka M-3 LaB6 Standard for KF FLAT TIP 60-40UM | 个 |
80904-41 | Denka M-3 LaB6 Standard for KF FLAT TIP 90-40UM | 个 |
80904-60 | Denka M-3 LaB6 Standard for KF FLAT TIP 60-60UM | 个 |
80904-61 | Denka M-3 LaB6 Standard for KF FLAT TIP 90--60UM | 个 |
80904-80 | Denka M-3 LaB6 Standard for KF FLAT TIP 60-80UM | 个 |
80904-81 | Denka M-3 LaB6 Standard for KF FLAT TIP 90-80UM | 个 |
80904-100 | Denka M-3 LaB6 Standard for KF FLAT TIP 60-100UM | 个 |
80904-101 | Denka M-3 LaB6 Standard for KF FLAT TIP 90-100UM | 个 |
80906-5 | Denka M-3 LaB6 Standard for CAMBRIDGE 60-5UM | 个 |
80906-10 | Denka M-3 LaB6 Standard for CAMBRIDGE 60-10UM | 个 |
80906-11 | Denka M-3 LaB6 Standard for CAMBRIDGE 90-20UM | 个 |
80906-20 | Denka M-3 LaB6 Standard for CAMBRIDGE 60-20UM | 个 |
80906-21 | Denka M-3 LaB6 Standard for CAMBRIDGE 90-40UM | 个 |
80906-40 | Denka M-3 LaB6 Standard for CAMBRIDGE 60-40UM | 个 |
80906-41 | Denka M-3 LaB6 Standard for CAMBRIDGE 90-60UM | 个 |
80906-60 | Denka M-3 LaB6 Standard for CAMBRIDGE 60-60UM | 个 |
80906-61 | Denka M-3 LaB6 Standard for CAMBRIDGE 90-80UM | 个 |
80906-80 | Denka M-3 LaB6 Standard for CAMBRIDGE 60-80UM | 个 |
80906-81 | Denka M-3 LaB6 Standard for CAMBRIDGE 60-100UM | 个 |
80906-100 | Denka M-3 LaB6 Standard for CAMBRIDGE 60-100UM | 个 |
80908-5 | Denka M-3 LaB6 Standard for HITACHI 60-5UM | 个 |
80908-10 | DENKA M3-H2 LAB6 FOR HITACH 60-10UM | 个 |
80908-11 | DENKA M3-H2 LAB6 FOR HTIACHI 90-20UM | 个 |
80908-20 | DENKA M3-H2 LAB6 FOR HITACHI 60-20UM | 个 |
80908-21 | DENKA M3-H2 LAB6 FOR HITACHI 90-40UM | 个 |
809098-40 | DENKA M3-H2 LAB6 FOR HITACHI 60-40UM | 个 |
80908-41 | DENKA M3-H2 LAB6 FOR HITACHI 90-60UM | 个 |
80908-60 | DENKA M3-H6 LAB6 FOR HITACHI 60-60UM | 个 |
80908-61 | DENKA M3-H2 LAB 6 FOR HITACHI 90-60UM | 个 |
80908-80 | DENKA M3-H6 LAB6 FOR HITACHI 60-80UM | 个 |
80908-81 | DENKA M3-H2 LAB6 FOR HITACHI 90-100UM | 个 |
80908-100 | DENKA M3-H6 LAB6 FOR HITACHI 60-100UM | 个 |
80908-10 | DENKA M3-H2 LAB6 FOR HITACH 60-10UM | 个 |
相关产品
晶圆镊子42LB-6
石墨烯碳导电胶(水基)
微量采血管Microvette CB
NUNC™ MaxiSorp™96孔板
针头式过滤器
赛默飞冷冻电镜载网环Autogrid Rings(C-CLIPS)
顺磁管/EPR管
小动物耳标
Potter-Elvehjem组织研磨器
盖玻片染色架COVER GLASS STAINING RACK
Ideal-Tek高级精密刀具Ergo-tek切割钳子
骨髓活检塑料包埋模具
C-flat有孔碳膜 ,300目金网,R 1.2 / 1.3
有孔金膜Gold Flat有孔金膜 1.2/1.3 micron 300 Mesh
斑马鱼显微注射模具Zebrafish Microinjection & Transplantation Kit
关注
拨打电话
留言咨询