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Spin Coating Unit

with UV curing system

Model: HO-TH-05C

Holmarc’s Spin Coating unit, Model no: HO-TH-05C has been designed with many additional features than that of Model: HO-TH-05.

In this model of spin coater, UV LED curing system is used whenever there is a need for curing and drying of coatings. It also provides gases purge facility for additional supply of gases inside the chamber. Vaccum Chucks provide flat, rigid surface for mounting substrates of different sizes and shapes. A vaccum chuck powered by oil- less vaccum pump holds the substrate at the spinning head. In-built sample dispensing system (optional accessory) helps to supply volatile solution in milli liter volume. The syringe holder height can be adjusted and rotated freely along the support rod. All required safety measures are provided for high speed rotation and spillage. It also provides facility for drainage.

The system has a user friendly front panel with key board and LCD display. The programs are easy to set up with up to 9 steps per program. All other features are same as that of Model: HO-TH-05. Three sets of nylon anti-corrosive vacuum chucks are provided along with the equipment for holding substrate from 15 x 15 mm square to 100 x 100 mm square.


    Chuck diameters : 14mm, 22 mm, 36 mm (Outer diameter of the O ring)

    UV Curing Option by LED - Wavelength    :    365 nm

    Inlet and outlet for Inert Gas Purging, 6mm tubing

    User Interface :     24 x 4 Line Alpha-numeric LCD and 16 button keyboard
    Actuator :     Brushless DC servo motor
    Program Memory :     9 programs with 9 steps for each program
    Speed Profile :     Speed, Duration and acceleration
    Spin Speed :     60 - 9999 RPM
    Speed Resolution :     1 RPM
    Speed Accuracy :     +/- 1 %
    Acceleration / Deceleration :     10 - 2000 rpm / s (Ramp & dwell time can be indirectly set by entering acceleration)
    Duration :     1 - 99 sec / min / hr for each step
    Sample Chucks :     3 Nos. (25 mm, 32 mm & 45 mm)
    Maximum Sample Diameter :     100 mm
    Minimum Sample Diameter :     13 mm
    Bowl Material :     Polypropelene
    Bowl Size :     8 inches
    Transparent lid with sample dispensing port
    Drainage hose
    Safety interlock to prevent spinning when the bowl is open
    Sample Holder :     PTFE disk with silicon rubber O ring
    Sample Mounting :     Secured by vacuum holding
    Vacuum Connector :     8 mm dia Snap-in hose connector
    N2 Purge Connector
    Vacuum pump On / Off and release Switch
    Dimension (mm) :     400 (L) x 275 (W) x 350 (H)
    AC Input :     230 V
    Maximum power consumption :     260 W (with vacuum pump)

    UV light source :     5 mm LED
    Number of LEDs :     12
    Wavelength range :     365 - 395 nm
    Curing time :     1 - 99 sec / min / hr
    Automatic in-bowl curing immediately after the spin process
Optional Accessories

    Vacuum adaptor to fix Petri dishes of sizes ranging from 30 mm - 100 mm diameter

    Mechanical clips or locks to hold samples without vacuum

    Digital Pipette for dispensing of liquid into the substrate

    Stand used for holding manual pipette

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