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KVM Series Low-Temperature Stepper Motors for Semiconductor Manufacturing | China Suppliers & Factory
Options
- Safe brake
- Resolver feedback
- Screw output shaft
- Handwheel
- Rear shaft
Ordering Information
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
SZ = double shaft
⑤ *Brake
Blank = without brake
B = with brake
B = with brake
⑥ *Feedback devices
Blank = without feedback
**R = with resolver 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
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)
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.
** 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.
Frequently Asked Questions (FAQ)
What is the operating temperature range of KVM Series stepper motors?
KVM Series stepper motors are designed for extreme environments, operating stably at temperatures as low as -196°C (SLT rating) and up to +200°C (RHT/SHT ratings), making them suitable for both cryogenic etching and high-temperature annealing.
Can these motors operate in ultra-high vacuum environments?
Yes, these motors can achieve an ultra-high vacuum level of up to 10⁻⁷ Pa. Utilizing solid lubrication technology, they emit no gases, ensuring that the ultra-high cleanliness standards of semiconductor chambers are maintained.
Do the KVM Series motors support radiation resistance?
Yes, they offer optional radiation resistance (RH code) capable of enduring high-energy irradiation intensity of up to 1×10⁶ Gy, ensuring long-term reliability in processes like ion implantation.
Can I configure both a brake and feedback device on the same motor?
No, it is not possible to install both a brake and position feedback devices simultaneously on a single motor.
What signal output options are available for the resolver feedback?
Kingsni can provide signal converters to convert the resolver signals to RS485 output or A/B incremental pulse output.
What flange sizes and torque capacities are available?
Flange sizes range from 20mm to 86mm (including 28, 42, 57, and 86 mm models for semiconductor equipment), with a stable torque range of 0.04 to 6 Nm to handle light to heavy loads.