Leave Your Message
KVM Series Low-Temperature Stepper Motors | Applications in the Semiconductor Manufacturing Industry
Cryogenic Environment Solutions

KVM Series Low-Temperature Stepper Motors | Applications in the Semiconductor Manufacturing Industry

Vacuum · Cryogenic · High-temperature · Radiation

  • Stepper motors for operations in vacuum, cryogenic, high temperature and radiation applications

  • Vacuum: up to 10-7Pa

  •  Operating temperature: down to -196℃ , up to 200℃

  • Radiation resistance:  up to 106Gy

  • Motor Flange: 28/42/57/86mm ( Nema 11/17/23/34) 

  • Holding torque: 0.04 to 4.4Nm

  • Basic step angle:  1.8° with accuracy of 5%

  •  Lubrication: grease or dry lubrication

  •  Optional: 

     resolver feedback, safe brake, double shaft, modified shaft

    Options

    ● Safe brake
    ● Resolver feedback
    ● Screw output shaft
    ● Handwheel 
    ● Rear shaft

    Ordering Information

    kvm

    ① Product series

    KVM series stepper motors


    ② Flange size

    20/28/35/42/57/60/86mm    


    ③ Motor length

    30/32/38/42/48/51/53/60/70/84/86/128mm


    ④ Output shaft

    D = single shaft            

    SZ = double shaft


    ⑤ *Brake

    Blank = without brake                 
    B = with brake


    ⑥ *Feedback devices

    Blank = without feedback            

    **R = with resolver feedback


    ⑦ Environmental temperature ratings
    Environmental temperature rating  code Temperature range (℃)

    Vacuum class
    (Pa,optional)

    Radiation resistance 
    (Gy,optional)
    RHT -20~+200 10-3 106
    SHT -20~+200 10-3/10-5/10-7 -
    HT -20~+150 10-3/10-5/10-7 -
    NTL1 -40~+85 10-1 -
    NTL2 -60~+120 10-3/10-5 -
    NTL3 -65~+125 10-3 -
    NTL4 -80~+40 10-3 -
    NTL5 -60~+150 - -
    LT -100~+40 10-3 -
    SLT -196~+40
    (Non-condensing)
    10-3/10-5/10-7 -
    L*H* customized customized customized
    ⑧ Vacuum class

    Blank = Non-vacuum              

    V3 = Low pressure or vacuum to 10-3Pa       

    V5 = Vacuum to 10-5Pa         

    V7 = Vacuum to 10-7Pa     


    ⑨ Radiation resistance code

    Blank = No radiation resistance              

    RH = Radiation resistance (total dose 106Gy)


    *It is not possible to install both brake and position feedback devices on one single motor.

    **Kingsni can provide signal converter to convert resolver signals to RS485 output or A/B  incremental pulse output.   

    Description

    Semiconductor manufacturing involves multiple core processes, including etching, ion implantation, wafer inspection, and low-temperature annealing. The production environment is characterized by ultra-high vacuum, low-temperature operations, and minimal radiation, placing extremely high demands on the low-temperature performance, positioning accuracy, and reliability of drive components. The KVM Series Low-Temperature Stepper Motors are deeply rooted in the semiconductor industry and specifically engineered for harsh low-temperature processes. These motors seamlessly integrate into the entire semiconductor production workflow, making them the preferred core drive solution for wafer processing equipment. These low-temperature stepper motors can achieve an ultra-high vacuum level of 10⁻⁷ Pa. Utilizing solid lubrication technology, they emit no gases, thereby maintaining the ultra-high cleanliness standards of semiconductor chambers, preventing impurity contamination of wafers, and ensuring process stability. The low-temperature performance of these motors has been specially optimized to maintain stable operation in extreme cold environments, and their clean design fully meets the requirements of semiconductor cleanroom production.
    Semiconductor cryogenic processes demand extremely strict temperature control. With exceptional low-temperature performance, these motors operate stably at extreme temperatures as low as -196°C while also withstanding high-temperature conditions up to +200°C, making them suitable for various process requirements such as cryogenic etching and high-temperature annealing. These low-temperature stepper motors maintain stable torque within the range of 0.04–6 Nm, meeting the drive requirements for both light and heavy loads. With flange sizes available in 28, 42, 57, and 86 mm, they can be integrated with various models of precision semiconductor equipment. To withstand high-energy radiation in processes such as ion implantation, the cryogenic stepper motor can endure an irradiation intensity of 1×10⁶ Gy. Its internal circuitry and structure are resistant to aging, making it suitable for long-term, uninterrupted production on semiconductor production lines. The torque stability of the cryogenic stepper motor ensures precision in wafer processing, while its multi-specification design enhances compatibility with semiconductor equipment.
    To meet the automation needs of the semiconductor industry, these low-temperature stepper motors support optional features such as safety braking, handwheels, and temperature sensors. They can adapt to both manual debugging and fully automated production modes, enhancing operational convenience and production efficiency. At wafer alignment stations, these motors achieve micron-level positioning accuracy, ensuring precise alignment between wafers and equipment; during vacuum valve control, they precisely regulate chamber opening and closing to maintain a stable vacuum environment; In cryogenic testing equipment, these motors drive the smooth movement of wafers, ensuring testing accuracy. Under demanding cleanroom conditions, their low wear and low failure rate minimize production line downtime. With their strong adaptability, high precision, and long service life, these motors help the semiconductor industry achieve high-precision, high-efficiency, and low-cost intelligent production, establishing themselves as core drive components in the semiconductor manufacturing sector.

    semiconductor-manufacturing-involves-multiple-core-processes

    kvm

    ① Product series

    KVM series stepper motors


    ② Flange size

    28/42/57/86mm    


    ③ Motor length

    32/51/48/60/70/86/128mm


    ④ Output shaft

    D = single shaft            

    SZ = double shaft


    ⑤ *Brake

    Blank = without brake                 
    B = with brake


    ⑥ *Feedback devices

    Blank = without feedback            

    **R = with resolver feedback


    ⑦ Environmental temperature ratings
    Environmental temperature rating  code Temperature range (℃)

    Vacuum class
    (Pa,optional)

    Radiation resistance 
    (Gy,optional)
    RHT -20~+200 10-3 106
    SHT -20~+200 10-3/10-5/10-7 -
    HT -20~+150 10-3/10-5/10-7 -
    NTL1 -40~+85 10-1 -
    NTL2 -60~+120 10-3/10-5 -
    NTL3 -65~+125 10-3 -
    NTL4 -80~+40 10-3 -
    NTL5 -60~+150 - -
    LT -100~+40 10-3 -
    SLT -196~+40
    (Non-condensing)
    10-3/10-5/10-7 -
    L*H* customized customized customized
    ⑧ Vacuum class

    Blank = Non-vacuum              

    V3 = Low pressure or vacuum to 10-3Pa       

    V5 = Vacuum to 10-5Pa         

    V7 = Vacuum to 10-7Pa     


    ⑨ Radiation resistance code

    Blank = No radiation resistance              

    RH = Radiation resistance (total dose 106Gy)


    *It is not possible to install both brake and position feedback devices on one single motor.

    **Kingsni can provide signal converter to convert resolver signals to RS485 output or A/B  incremental pulse output.   

    Technical Specifications

    KVM2832:flange 28mm, length 32mm, holding torque 0.04Nm
    model number motor length
    (mm)
    current
    (RMS,A)
    resistance
    (Ω)
    inductance
    (mH)
    holding torque
    (N.m)
    rotor inertia
    (g.cm²)
    mass
    (Kg)
    motor wiring
    KVM2832 32 0.4 4.6 3.41 0.04 8 0.15 4 flying leads
    * For vacuum environment applications, when the motor runs continuously at a speed below 50rpm, the drive current should be reduced to 80% of the values listed in the table above to prevent the motor from overheating.

    Dimension Drawings

    1

    Torque-speed curve

    1-

    Specifications

    KVM2851: flange 28mm, length 51mm, holding torque 0.1Nm
    model number motor length
    (mm)
    current
    (RMS,A)
    resistance
    (Ω)
    inductance
    (mH)
    holding torque
    (N.m)
    rotor inertia
    (g.cm²)
    mass
    (Kg)
    motor wiring
    KVM2851 51 0.5 7.49 7.62 0.10 19 0.24 4 flying leads
    * For vacuum environment applications, when the motor runs continuously at a speed below 50rpm, the drive current should be reduced to 80% of the values listed in the table above to prevent the motor from overheating.

    Dimension Drawings

    2

    Torque-speed curve

    2-

    Specifications

    KVM4248: flange 42mm, length 48mm, holding torque 0.4Nm
    model number motor length
    (mm)
    current
    (RMS,A)
    resistance
    (Ω)
    inductance
    (mH)
    holding torque
    (N.m)
    rotor inertia
    (g.cm²)
    mass
    (Kg)
    cable diameter (mm)
    KVM4248 48 1.1 1.84 3.05 0.40 76 0.51 4.5
    * For vacuum environment applications, when the motor runs continuously at a speed below 50rpm, the drive current should be reduced to 80% of the values listed in the table above to prevent the motor from overheating.

    Dimension Drawings

    2832

    Torque-speed curve

    2832-

    Specifications

    KVM4260: flange 42mm, length 60mm, holding torque 0.5Nm( in vacuum) or 0.58Nm(non-vacuum)
    model number motor length
    (mm)
    current
    (RMS,A)
    resistance
    (Ω)
    inductance
    (mH)
    holding torque
    (N.m)
    rotor inertia
    (g.cm²)
    mass
    (Kg)
    cable diameter (mm)
    KVM4260 non-vacuum environments 60 1.4 2.31 4.45 0.58 108 0.63 4.5
    KVM4260 vacuum environments 60 1.1 2.31 4.45 0.5 108 0.63 4.5
    * For vacuum environment applications, when the motor runs continuously at a speed below 50rpm, the drive current should be reduced to 80% of the values listed in the table above to prevent the motor from overheating.

    Dimension Drawings

    4260
    L: length adder, 38mm for brake, 20mm for resolver feedback
    Please contact us for dimension drawings of rear shaft, screw output shaft and handwheel options.

    Torque-speed curve

    Torque-speed curve (drive phase current 1.4Arms, non-vacuum environment)
    4260非
    Torque-speed curve (drive phase current 1.1Arms, vacuum environment)
    4260真

    Specifications

    KVM5770:flange 57mm, length 70mm, holding torque 0.8Nm( in vacuum) or 0.97Nm(non-vacuum)
    model number motor length
    (mm)
    current
    (RMS,A)
    resistance
    (Ω)
    inductance
    (mH)
    holding torque
    (N.m)
    rotor inertia
    (g.cm²)
    mass
    (Kg)
    cable diameter (mm)
    KVM5770 non-vacuum environments 70 2.7 1.15 3.32 0.97 180 1.05 4.5
    KVM5770 vacuum environments 70 1.9 1.15 3.32 0.8 180 1.05 4.5
    * For vacuum environment applications, when the motor runs continuously at a speed below 50rpm, the drive current should be reduced to 80% of the values listed in the table above to prevent the motor from overheating.

    Dimension Drawings

    5770

    Torque-speed curve

    Torque-speed curve (drive phase current 2.7Arms, non-vacuum environment)
    5770非
    Torque-speed curve (drive phase current 1.9Arms, vacuum environment)
    5770真

    Specifications

    KVM5786:flange 57mm, length 86mm, holding torque 0.96Nm( in vacuum) or 1.2Nm(non-vacuum)
    model number motor length
    (mm)
    current
    (RMS,A)
    resistance
    (Ω)
    inductance
    (mH)
    holding torque
    (N.m)
    rotor inertia
    (g.cm²)
    mass
    (Kg)
    cable diameter (mm)
    KVM5786 non-vacuum environments 86 2.7 1.43 4.05 1.2 228 1.28 4.5
    KVM5786 vacuum environments 86 1.9 1.43 4.05 0.96 228 1.28 4.5
    * For vacuum environment applications, when the motor runs continuously at a speed below 50rpm, the drive current should be reduced to 80% of the values listed in the table above to prevent the motor from overheating.

    Dimension Drawings

    5786
    L: length adder, 35mm for brake, 20mm for resolver feedback
    Please contact us for dimension drawings of rear shaft, screw output shaft and handwheel options.

    Torque-speed curve

    Torque-speed curve (drive phase current 2.7Arms, non-vacuum environment)
    5786非
    Torque-speed curve (drive phase current 1.9Arms, vacuum environment)
    5786真

    Specifications

    KVM86128 flange 86mm, length 128mm, holding torque 4.4Nm( in vacuum) or 6Nm(non-vacuum)
    model number motor length
    (mm)
    current
    (RMS,A)
    resistance
    (Ω)
    inductance
    (mH)
    holding torque
    (N.m)
    rotor inertia
    (g.cm²)
    mass
    (Kg)
    cable diameter (mm)
    KVM86128 non-vacuum environments 128 6.0 0.99 5.18 6 2700 4.7 5.0
    KVM86128 vacuum environments 128 4.28 0.73 2.97 4.4 2700 4.7 5.0
    * For vacuum environment applications, when the motor runs continuously at a speed below 50rpm, the drive current should be reduced to 80% of the values listed in the table above to prevent the motor from overheating.

    Dimension Drawings

    86128
    L: length adder, 49mm for brake, 20mm for resolver feedback
    Please contact us for dimension drawings of rear shaft, screw output shaft and handwheel options.

    Torque-speed curve

    Torque-speed curve (drive phase current 6.0Arms, non-vacuum environment)
    86128非
    Torque-speed curve (drive phase current 4.28Arms, vacuum environment)
    86128真

    Leave Your Message