In the contexts of precision manufacturing and cutting-edge scientific research, environmental control has long since moved beyond the simplistic approach of “installing an air conditioner and adding a filter.” Through years of dedicated service, Jice has gradually developed a clear understanding: users’ most fundamental and widespread needs consistently converge on a single premise— Can the environment truly guarantee the reproducibility of process outcomes?

The lithography workshops of chip fabs, the testing stations in semiconductor labs, the coating and assembly lines at optical‑lens manufacturers, and even the ultra‑sensitive experimental platforms in research institutes—all face the same fundamental question: Can yield be improved? Is repeatability sufficiently stable? Can R&D achieve success on the first try? What they seek is not the equipment parameters themselves, but the reliable outcomes those parameters deliver. And this, precisely, is… Jice R&D UPECS (Ultra-Precision Environmental Control System) The fundamental reason for the high-precision environmental control system.

Yield: It’s not a process issue—it’s an environmental one.

As process node dimensions shrink into the nanometer regime, even the slightest fluctuations in ambient temperature are magnified by the thermal expansion of the lithography objective lens, translating into linewidth deviations. While a typical cleanroom’s ±0.1°C temperature control may suffice for mature processes, it falls short of ensuring stable yield in advanced applications such as lithography, wafer inspection, and optical coating.

The answer provided by UPECS is Air temperature stability of ±0.002℃ — This is not a single-point test result obtained under ideal laboratory conditions, but rather an engineering metric validated through the delivery of multiple real-world projects. The system comprises a main cabinet, a precision control system, an air‑circulation unit, a clean‑air filtration module, a cooling (or heating) system, and a localized air‑bath module (ABM), all working in concert. Leveraging millikelvin‑level temperature‑control technology, it establishes a “microenvironment” around the core equipment that remains independent of fluctuations in the broader ambient conditions. Yield is safeguarded within this very microenvironment.

Repeatability: Only when it’s accurate every time is it truly accurate.

For precision measurement and optical manufacturing applications, the accuracy of a single measurement is only half the battle. The real challenge lies in… Repeatability.

Drift in ambient temperature and humidity is one of the most insidious sources of interference in precision metrology. For an optical glass with a 300 mm aperture, even a temperature change of just 0.01°C can produce thermal expansion sufficient to shift the interferometer’s fringes. UPECS achieves exceptional performance in humidity control by… Stability of ±0.1% RH , coupled with a clean‑air filtration system (capable of achieving ISO Class 1), it locks environmental variables across temperature, humidity, and cleanliness, thereby minimizing the impact of ambient noise, vibration, and other factors. For applications such as optical metrology, laser interferometry, and nanometrology, this approach transforms “accidental accuracy” into “inherent accuracy.”

R&D Success Rate: Don’t Let the Environment Become a Variable in Your Experiments

Production lines aim to consistently reproduce a known, desirable outcome, whereas scientific research seeks to swiftly eliminate sources of interference and isolate the signal in the face of uncertainty. In a laboratory setting, a temperature fluctuation of just 0.05°C may have little impact on most experiments; however, for ultra‑precision machining—such as measuring tool‑tip displacement—or for long‑term stability studies on quantum‑optics platforms, or for characterizing the electrical properties of new semiconductor materials, even 0.05°C can easily drown out the very signal one is trying to detect.

Jice does not offer a one-size-fits-all air-conditioning solution; instead, it custom‑designs high‑precision environmental control systems tailored to the specific dimensions of the experimental platform, its thermal load distribution, vibration‑sensitive frequency bands, and electromagnetic shielding requirements. Complementing this is a state‑of‑the‑art precision chiller that delivers outlet water temperature stability within ±0.002°C, providing comparable temperature‑control performance for critical components such as lasers and reaction chambers that rely on liquid cooling. When the environment ceases to be an unpredictable variable, every data anomaly observed by researchers stands a chance of becoming a genuine breakthrough.

What the Jice High-Precision Environmental Control System, UPECS, aims to achieve is to deliver an environment that is both highly precise and exceptionally stable—ensuring improved yield rates, data that stands up to rigorous retesting, and R&D outcomes that are not derailed by environmental variability. When precision reaches its pinnacle, the environment itself becomes a key source of competitive advantage.