UNPARALLELED LTD is one of the leading manufacturers and suppliers of semiconductor equipment granite components in China. With abundant experience, we warmly welcome you to buy advanced semiconductor equipment granite components made in China here from our factory. We also accept custom orders.

UNPARALLELED Granite Components for Semiconductor Equipment: Engineered for Precision, Built for Innovation
At UNPARALLELED Industrial Co., Ltd., we specialize in designing and manufacturing ultra-stable granite machine bases and structural components specifically tailored for high-precision semiconductor manufacturing systems. By leveraging the inherent advantages of natural granite-such as near-zero thermal deformation, superior vibration damping, and long-term dimensional stability-our components ensure sub-micron accuracy even in the most demanding cleanroom environments.
Why Granite Outperforms Traditional Materials in Semiconductor Equipment?
Thermal Stability Mastery
Semiconductor lithography, wafer inspection, and metrology systems require exceptional thermal resistance to maintain precise alignment under fluctuating temperatures. Our granite beds exhibit a thermal expansion coefficient of 0.6–1.2×10⁻⁶/°C-approximately 10 times lower than steel-effectively minimizing thermal drift during continuous 24/7 operations.
Vibration Absorption Excellence
Granite's natural damping capacity (3–5 times higher than cast iron) neutralizes high-frequency vibrations generated by robotics and linear drives, safeguarding sensitive optical and measurement systems. This ensures positioning repeatability of less than 5 nm for EUV lithography stages and laser processing units.
Geometric Permanence
Through proprietary aging treatment and CNC machining processes, we achieve flatness within 2μm/m² and surface roughness Ra≤0.2μm. This "rock-solid" foundation prevents micro-deformation over decades, reducing recalibration frequency by 60% compared to polymer composites.
Contamination-Free Operation
The non-porous nature of granite surfaces resists chemical corrosion from etchants and eliminates static buildup, ensuring ISO Class 1–3 cleanroom compliance without the particle shedding risks associated with coated metals.
UNPARALLELED® has enjoyed high reputation in all over the world!
1 Ture Granite
UNPARALLELED® selects the finest granite materials to customize mechanical components for high-end precision machinery. We exclusively choose granite over marble, as the physical performance of marble does not match that of granite. Many customers may struggle to distinguish whether the products they receive are made from granite or marble. This ambiguity enables numerous suppliers to exploit this knowledge gap by substituting lower-cost marble for granite, thus reaping substantial profits.
Nonetheless, the physical properties of marble fall significantly short when compared to those of granite; consequently, the precision of the products received by customers often fails to meet required standards, and their aesthetic appeal is also inferior compared to that of genuine granite.

2 Long Service
Not susceptible to acid and alkali corrosion;
will not rust.
No lubrication required,
easy maintenance,
extended service life.

3 Better Stability than Metal Machine Bed
Not constrained by constant temperature and humidity conditions, it can maintain high precision at room temperature.

4 Hand Lapping reach better than 1μm
Each granite precision component will be meticulously manufactured through the process of hand lapping. Only through hand lapping can we achieve flatness, parallelism, perpendicularity, and straightness with an accuracy of up to 1μm.

5 Nano Technologies---1 μm ultra-high precision in operation
Each precision component is meticulously crafted through the process of hand lapping. UNPARALLELED® utilizes state-of-the-art manufacturing equipment and advanced inspection devices while maintaining a stringent Quality Control system. The principle "If you cannot measure it, you cannot produce it" underscores our commitment to precision. Only by utilizing superior measuring instruments can one manufacture granite components with exceptional accuracy.

6 Better Roughness 0.01 μm
It is non-magnetized and allows for smooth movement during measurement, without any tight sensation. Additionally, it is unaffected by moisture and exhibits excellent flatness.

Why Choose High-Precision Granite Bases for Semiconductors?
An increasing number of semiconductor equipment is being assembled using granite. UNPARALLELED® specializes in manufacturing high-precision granite machine beds specifically designed for semiconductor applications. In recent years, the semiconductor industry has experienced remarkable growth, thanks largely to the dedication and innovation of scientists. As a result, the precision of the chips produced by semiconductor equipment has continuously improved. The advancement of semiconductor technology directly correlates with the sophistication of its associated equipment. A fundamental aspect of this machinery's mechanical structure relies on granite. Unlike metal structures, which are vulnerable to temperature fluctuations and humidity-affecting operational accuracy-granite-based precision structures exhibit stability that is largely unaffected by such environmental variations. While numerous types of stone exist globally, not all are suitable for precision granite mechanical components. In fact, only a select few types can fulfill our stringent requirements. The physical properties of the granite chosen must be superior; typically, its density should exceed 3000kg/m³. We conduct extensive testing on various granites and maintain detailed performance analysis reports for each type. Each piece of high-precision granite component undergoes meticulous hand grinding to ensure an exceptional level of flatness, parallelism, straightness, verticality, and other critical dimensions achieving tolerances as fine as 1μm. Are you contemplating a similar project? If so, please do not hesitate to contact us-we would be delighted to assist you.

|
BRAND |
UNPARALLELED® |
MATERIAL |
AAA Grade Industrial Nature Granite |
|
APPLICATION |
CNC, Laser, Metrology |
DENSITY |
≈3070kg/m3 |
|
CONDITION |
NEW CUSTOM |
COLOR |
Pure Black |
|
ORIGIN |
Jinan, CHN |
PRECISION |
1 μm |
|
WARRANTY |
1 YEAR |
STANDARD |
DIN, GB, ASME,JIS... |
|
PACKAGING |
Custom Export Package |
CERTIFICATE |
ISO9001, CE... |
|
PAYMENT ITEM |
T/T, LC... |
KEY WORD |
Granite Component |
|
MATERIAL |
Jinan, China; India; South Afica |
TECHNICAL |
Inpsection& Calibration& Assembly |
|
PRICE |
EXW, FOB, CIF, DAP, CPT... |
SERVICE |
Design drawings |


Laser Interferometer

Electric Level

Roughness Meter

Vernier Caliper

Dial Gauge

Inductance Micrometer




HIGH END ADVANCED ULTRA-HIGH PRECISION GUARANTEE


More information please contact: info@unparalleled-group.com
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