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The 6-axis closed-loop cryogenic sample holder provided by Fermion Instruments can achieve precise control of sample position and posture. It is mainly composed of four parts: cryogenic sample rod, temperature control system, XYZ-R1 translation stage, and motor control system. The entire sample holder and translation stage are made of non-magnetic materials and can be used under ultra-high vacuum. The sample stage can move over a large range in the X, Y, and Z directions, and can achieve rotational motion around three axes (rotation angle R1, pitch angle R2, in-plane rotation angle R3). Among them, X/Y/Z/R1 is achieved through the XYZ-R1 translation stage, and R2 and R3 are achieved through the gear transmission structure of the sample rod. The motor control software can be linked with ScientaOmicron's analyzer to achieve the automapping function.
| ● Low operating cost:Adopt air (water) cooled GM refrigerator to provide cooling capacity | ● Multiple degrees of freedom:Full motor 6-axis control can be achieved | ● Easy to operate:Plug and play, long-term stable operation | ● Multiple functional modules are optional |
| ● Ultra-low temperature:The minimum stability of the sample stage can reach 6K | ● Precise temperature control:PID temperature control accuracy can reach 10mK | ● Fast temperature change:From room temperature to 6K, less than 4 hours |
| ● Sample parking table | ● Dual sample low temperature sample table | ● High temperature sample stage (optional electron beam heating) | ● YAG stage |
| ● Sample floating module | ● Low temperature cleavage module | ● Four-electrode transport measurement module |
| R1 axial rotation | 360° (-180°, + 180°) |
| R2 pitch angle rotation | 60° (-15°, +45°) |
| R3 in-plane angle rotation | 240° (-120°, + 120°) |
| X / Y itinerary | 25mm (±12.5mm) |
| Z itinerary | Maximum 650mm |
| 4-axis | 5A-axis | 5F-axis | 5.5-axis | 6-axis | |
| XY stroke | ±12.5mm | ±12.5mm | ±12.5mm | ±12.5mm | ±12.5mm |
| Z itinerary | Maximum 700mm | Maximum 700mm | Maximum 700mm | Maximum 700mm | Maximum 700mm |
| XYZ drive | Manual/Motor | Manual/Motor | Manual/Motor | Manual/Motor | Manual/Motor |
| XYZ precision | <0.01mm | <0.01mm | <0.01mm | <0.01mm | <0.01mm |
| R1 range | 360° (-180°, +180°) | 360° (-180°, +180°) | 360° (-180°, +180°) | 360° (-180°, +180°) | 360° (-180°, +180°) |
| R1 control method | Manual/Motor | Manual/Motor | Manual/Motor | Manual/Motor | Manual/Motor |
| R1 control accuracy | <0.1° | <0.1° | <0.1° | <0.1° | <0.1° |
| R1 reduction ratio | 360:0.2 | 360:0.2 | 360:0.2 | 360:0.2 | 360:0.2 |
| R2 (Flip) range | —— | —— | 60° (-15°, +45°) | 60° (-15°, +45°) | 60° (-15°, +45°) |
| R2 driver | —— | —— | Motor | Manual/motor | Manual/motor |
| R2 precision | —— | —— | <0.1° | <1° | <0.1° |
| R2 reduction ratio | —— | —— | 360:9 | 360:6 | 360:3 |
| R3 (Azi) range | —— | 240° (-120°, +120°) | —— | 240° (-120°, +120°) | 240° (-120°, +120°) |
| R3 driver | —— | Manual/motor | —— | Manual | Manual/motor |
| R3 precision | —— | <0.1° | —— | Manual<1° | <0.1° |
| R3 reduction ratio | —— | 360:5 | —— | 360:4.5 | 360:4 |
| Temperature range | <4-325K | ＜5-325K | ＜5-325K | ＜6-325K | <6-325K |
| Minimum temperature | <4K | ＜5K | ＜5K | ＜6K | <6K |
| Control precision | <0.01K | <0.01K | <0.01K | <0.01K | <0.01K |
| Cooling time | <3 Hour (RT-6K)< /span> | ＜4 Hour (RT-6K) | ＜4 Hour (RT-6K) | ＜5 Hour (RT-6K) | ＜6 Hour (RT-6K) |
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