DT series dual temperature zone evaporation sources are usually suitable for materials such as Ga, In, and Al. Extra heating wires are added to the crucible mouth to independently control the temperature near the crucible mouth. Depending on the evaporation material, two different temperature gradient configurations can be selected. The "hot lip" mode can prevent the material from condensing at the crucible mouth and reduce elliptical defects; the "cold lip" mode can effectively prevent the evaporation material from migrating to the crucible mouth.
| ● Ultra-high vacuum compatible | ● Two sets of heating wires are individually temperature controlled to achieve "hot lip" and "cold lip" configurations | ● Applicable to different crucible sizes and materials |
| ● Temperature stability is better than ±0.2℃ | ● Equipped with independent water cooling jacket, evaporation source and water cooling can be removed separately |
| Evaporation source model | DT60 | DT80 | DT150 | DT300 | DT700 | DT1700 | |
| Crucible volume (cc) | 60 | 80 | 150 | 300 | 700 | 1700 | |
| Mounting flange size | CF63 | CF63 | CF100 | CF125 | CF150 | CF200 | |
| Total length (mm) | 425.9 | 511 | 508.5 | 520.3 | 523.8 | 604 | |
| Length in vacuum (mm) | 284.9 | 370 | 355 | 365 | 378.8 | 460 | |
| Vacuum inner and outer diameter (mm) | 58.4 | 58.4 | 77.8 | 90.8 | 124.2 | 164.7 | |
Crucible size (mm) | Mouth outer diameter | 54.2 | 54 | 77 | 90 | 123 | 163.3 |
| Mouth inner diameter | 38.1 | 38 | 50.7 | 65 | 95 | 136 | |
| high | 108.5 | 108.4 | 140.7 | 152.2 | 221 | 289.7 | |
| Crucible material | PBN | ||||||
| Crucible shape | Conical crucible | ||||||
| Heating method | Radiative heating, PBN supported tantalum sheet | ||||||
| Thermocouple | Type C/W-Re 5%-26% | ||||||
| temperature stability | ≤±0.2℃ | ||||||
| working temperature | 300-1350℃ | ||||||
| Maximum degassing temperature | The upper temperature zone is 1300℃, the lower temperature zone is 1350℃ | ||||||
| Baking temperature | 250℃ | ||||||
| order code | 3205010066 | 3205010014 | 3205010095 | 3205010053 | 3205010030 | 3205010079 | |
For information on compatibility of DT evaporation sources with Riber or Veeco MBE systems, please contact Fermian Instruments
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