Imaging Instruments
The HO-2DTS-TM-01 from Holmarc is a precision manual 2D material transfer system developed for deterministic fabrication of 2D heterostructures and twisted-layer stacks. The platform integrates advanced optical imaging, multi-axis mechanical control, and thermal management to ensure accurate, stable, and repeatable transfer processes.
The optical system is based on a Trinocular microscope equipped with Plan Apochromatic long working distance objectives. This configuration provides high image clarity with minimal optical aberrations while preserving adequate working distance, enabling smooth transition from wide-area flake identification to fine alignment during stacking operations.
High transfer accuracy is realized through a 9-axis manual stage architecture, comprising an XYZ-θ substrate stage and an independent XYZ stamping stage with a tilting platform. This arrangement enables precise control over lateral positioning, rotation, vertical approach, and angular alignment, which is essential for twist-angle control and accurate layer-to-layer registration.
The substrate is mounted on a vacuum-thermal chuck with temperature control from RT - 200°C. The combination of stable vacuum holding and controlled heating supports reliable pick-up, clean release, and improved interfacial quality during transfer.
An integrated image acquisition software with live measurement capabilities allows real-time visualization, alignment verification, and documentation of the transfer process, enhancing operational efficiency and experimental reproducibility.
3. XYZ theta sample stage with heater & Vacuum chuck
| Rotation stage | ||
| Readout | : | 0.1 degree |
| Coarse travel | : | 360 degree |
| Fine travel | : | +/- 4 degree |
| Drive | : | Micrometer |
| Construction | : | Black anodized aluminium alloy |
| XYZ stage | ||
| XY Travel | : | 25 mm |
| Z travel | : | 10 mm |
| XYZ axes resolution | : | 1 um |
| XYZ axes drive | : | Digital Micrometer |
| Construction | : | Black anodized aluminium alloy |
| Vacuum chuck and Heater with temperature controller | ||
| Sample plate diameter | : | 40 mm |
| Temperature range | : | RT - 200º C |
| Temperature increment | : | 1º C |
| PID Controller | ||
| Vacuum Pump | ||
4. XYZ Stamping stage with tilting platform
| X and Y axis travel | : | 25 mm |
| Z axis travel | : | 10 mm |
| XYZ axes resolution | : | 1 um |
| XYZ axes drive | : | Digital Micrometer |
| Tilting platform drive | : | Leadscrew |
| Construction | : | Black anodized aluminium alloy |
5. Glass / Sample Holder
| Suitable for standard glass slides ( 75 mm x 25 mm ) |
Established in 1993, Holmarc Opto-Mechatronics Ltd manufactures variety of scientific and engineering instruments for research, industry and education.
ISO 9001:2015 Made in INDIA
CIN : L33125KL1993PLC006984
GST No : 32AAACH9492C1ZQ
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B.7., H.M.T. Industrial Estate
H.M.T. P.O, Kalamassery, Kochi
Kerala, India - 683 503
+91 920-719-7772 / 6 / 1
sales@holmarc.com
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