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MJ-A style drop-on-demand single jet dispensing devices are suited for dispensing droplets of aqueous and solvent-based fluids at up to 50°C. An integrated orifice and wetted surfaces that are almost exclusively glass make MJ-A devices extremely robust to aggressive fluids. Orifice diameters of 20-80um are available, allowing customers to optimize their process by selecting drop volumes within a two order of magnitude range. Fluids with viscosity less than 20 cp and surface tension in the range 20-70 dynes/cm can be dispensed.
Three fluid fitting styles are available: barbed, threaded, and Luer. The threaded fitting is intended for use with PTFE tubing. The Luer fitting contains an integrated, removable filter.
The integrated orifice extends from the housing, allowing visualization of both internal flow and drop formation. The orifice can optionally be protected from damage by metal extensions on two sides.
Custom, application-specific configurations can also be developed.
Ordering Information
MJ-AB-01-xxx
Low-temperature dispensing device with barb fluid
fitting, xxx denotes orifice diameter in microns. MJ-ABL
(large) for 80-120 um orifice diameters.
MJ-ABP-01-xxx
Low-temperature dispensing device with barb fluid
fitting & protected tip, xxx denotes orifice diameter in
microns.
MJ-AT-01-xxx
Low-temperature dispensing device with MINSTAC
threaded fluid fitting, xxx denotes orifice diameter in
microns.
MJ-ATP-01-xxx
Low-temperature dispensing device with MINSTAC
threaded fluid fitting & protected tip, xxx denotes orifice diameter in
microns.
TF-04
Tubing assembly for AT and ATP devices: Minstac
union, 20cm length of Teflon tubing (0.75mm ID,
1.5mm OD), Minstac to Luer adapter.
MJ-AL-01-xxx
Low-temperature device with Luer fluid fitting, xxx
denotes orifice diameter in microns. Includes 5 um
stainless steel mesh filter element.
-DLC
Diamond-Like Carbon coating on front face of orifice.
Add –DLC designation to any MJ part number.
Support Equipment
CT-M3-02: JetDrive™ III controller
CT-PT-21: Pressure / Thermal Controller
CT-PT-A1: Electronic Pressure Controller
CM-VS-03: Basic Optics System
Printhead Assemblies & Misc.: PH-03, PH-43, PH-46, PH 47, PH-41; tubing assemblies, reservoirs, in-line filters; cleaning & retesting service
Specifications
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| Standard orifice diameters |
20-80 um, 5 um intervals;
80-120 um for MJ-ABL |
| Standard orifice diam. tolerance |
±1 um |
| Barb fitting |
For 1 mm ID tubing |
| Threaded fitting |
MINSTAC, 0.138-40 UNF 2A, 5 turns |
| MJ-AL, o-rings for filter |
EPDM, Buna, or Viton |
| MJ-AL, filter |
5 um stainless steel mesh |
| Electrical connector |
Molex 50-57-9402; Molex 16-02-0097 |
| Standard wire length |
150 mm |
| Printheads for MJ-AB, MJ-ABP |
PH-03, PH-43 |
| Printheads for MJ-AT, MJ-ATP |
PH-46, PH-47, PH-43 |
| Printhead for MJ-AL |
PH-41 |
| Fluid viscosity |
< 20 cp |
| Fluid surface tension |
20-70 dyne/cm |
| Fluid pH |
2-11 |
Compatible Materials
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| Organic Solvents |
alcohols, keytones, aliphatics, aromatics, dipolar solvents |
| Aqueous Buffers |
nucleic acids, proteins, cells |
| Other Biologicals |
amino acids, lipids, biodegradable polymers |
| Electronic Materials |
fluxes, photoresists, epoxies, polyimides, electroactive polymers, cyanoacrylates, organometallics |
| Particle Suspensions |
pigments, latex spheres, metal particles, Teflon, phosphors, ferrites, zeolyts |
| Other |
sol-gels, thermoplastics, thermosets, acrylics, >1M salt solutions, photographic developer, fuels, aqueous
adhesives, odorants |
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* compatibility excludes O-rings (AL) and tubing (ABx) |
Additional Information
Brochure (PDF)
Drawings with dimensions
Equipment Selection Guide
Integration Guide
Cleaning Guide
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