manufacturer of mmwaveguide components (WR3, WR4, WR5, WR6, WR7, WR8, WR9, WR10, WR12)! supplier of millimeterwave frequency meters(detectors, isolators, multipliers, phase, shifters)!
Precision-Crafted Millimeter Wave & Terahertz Components – Made to Your Drawings
In the demanding world of high-frequency engineering, off-the-shelf solutions rarely fit perfectly. That’s why we go beyond being a simple supplier—we are your dedicated manufacturing partner for millimeter wave and terahertz components. As a specialized manufacturer of millimeter wave devices including dividers, circulators, diplexers, and oscillators, and a trusted supplier of terahertz frequency meters, detectors, isolators, multipliers, and phase shifters, we understand that every system has unique requirements.
Our core strength lies in precision CNC machining tailored to your exact specifications. Do you have a custom millimeter wave structure in mind? Send us your drawings. Whether it’s a complex waveguide flange, a compact housing for a circulator, or an intricate block for a diplexer, we machine it with micron-level accuracy from high-grade aluminum, brass, copper, or other alloys. No casting, no compromises—only pure, precision-cut metal that guarantees optimal electrical performance and mechanical stability.
We do not mass-produce generic parts; we listen, analyze, and machine each component to meet your frequency, impedance, and integration needs. From prototyping to small-batch production, every piece undergoes rigorous quality control. Our experience across millimeter wave and terahertz bands ensures that your custom circulator, isolator, or multiplier will perform seamlessly in your test bench or airborne system.
Stop adapting your design to existing parts. Let us bring your drawings to life with unmatched precision. Contact us today for a quote—because when performance matters, precision is everything.
Frequency Segmentation and Applications of Typical Millimeter-Wave Devices
| Band | Freq (GHz) | Waveguide | Application | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Ka band | 26.5 – 40 GHz | WR‑28 | SAT / Radar | ||||||
| Q band | 33 – 50 GHz | WR‑22 | Backhaul / Astro | ||||||
| V band | 40 – 75 GHz | WR‑15 | 5G/6G / Auto (60) | ||||||
| E band | 60 – 90 GHz | WR‑12 | High‑cap link / Starlink | ||||||
| W band | 75 – 110 GHz | WR‑10 | Imaging / Radar / Sec | ||||||
| D band | 110 – 170 GHz | WR‑6 | 6G / THz comm | ||||||
| G band | 140 – 220 GHz | WR‑5 | Astro / Science | ||||||
| J band | 220 – 330 GHz | WR‑3 | Submm / Quantum | ||||||
standard millimeter-wave frequency vs. waveguide dimension table (30–300 GHz).
| WR Designation | Frequency Range (GHz) | Cutoff Freq TE10(GHz) | Inner Width a (mm) | Inner Height b (mm) | Flange Type | ||||
|---|---|---|---|---|---|---|---|---|---|
| WR-28 | 26.5 – 40GHz | 21.08 GHz | 7.11 mm | 3.56 mm | UG-599/U | ||||
| WR-22 | 33 – 50 GHz | 26.35 GHz | 5.69 mm | 3.56 mm | UG-383/U | ||||
| WR-19 | 40 – 60 GHz | 31.36 GHz | 4.78 mm | 2.39 mm | UG-383/U-M | ||||
| WR-15 | 50 – 75 GHz | 39.88 GHz | 3.76 mm | 1.88 mm | UG-385/U | ||||
| WR-12 | 60 – 90 GHz | 48.38 GHz | 3.10 mm | 1.55 mm | UG-387/U-M | ||||
| WR-10 | 75 – 110 GHz | 59.01 GHz | 2.54 mm | 1.27 mm | UG-387/U-M | ||||
| WR-08 | 90 – 140 GHz | 73.77 GHz | 2.03 mm | 1.02 mm | UG-387/U-M | ||||
| WR-06 | 110 – 170 GHz | 96.51GHz | 1.65 mm | 0.83 mm | UG-387/U-M | ||||
| WR-05 | 140 – 220 GHz | 118.1GHz | 1.30 mm | 0.65 mm | UG-387/U-M | ||||
| WR-03 | 220 – 325 GHz | 173.3GHz | 0.86 mm | 0.43 mm | UG-387/U-M | ||||
processing accuracy and tolerance for millimeterwave device
| parameter | industrial grade | space grade | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Dimensional Tolerance | +/-0.05 mm | +/-0.005 mm (5 µm | |||||||
| Broadwall Width Error | +/-20 µm | +/-5µm to +/-10 µm | |||||||
| Flatness Tolerance | λ/50 | λ/200 | |||||||
| Right Angle Perpendicularity | +/-2 arc-minutes | +/-15 arc-seconds | |||||||
| Cutting Slot Straightness | ≤0.03 mm/100mm | ≤0.005 mm/100mm | |||||||
surface roughness for different frequency band
| frequency band | recommended surface roughness Ra (µm) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| microwave waveguides(≤30 GHz) | ≤0.8 µm | ||||||||
| millimeterwave parts, mmwave components(30-300 GHz) | ≤0.4 µ | ||||||||
| submillimeterwave components, submmwave waveguides, terahertz structural components, THz (>300 GHz) | ≤.1 µm (down to 0.05 µm) | ||||||||
coating and materials for mmwaveguide components
| material | conductivity (% IACS) | thermal expansion CTE (µm/m·°C) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Aluminum 6061 | 50% | 23.6 | |||||||
| Oxygen-Free Copper (OFHC) | 101% | 16.6 | |||||||
| Plating Type | Typical Thickness | Frequency Limit | |||||||
| Silver (Ag) | 5-10 µm (≥5 µm) | Up to ~100 GHz | |||||||
| Gold (Au) | 2-5 µm (≥5 µm) | All frequencies | |||||||
testing and performance for millimeterwave RF devices
| parameter | industrial commercial | military space grade | test method | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Operating Temperature | -40°C to +85°C | -65°C to +125°C | MIL-STD / ECSS | ||||||
| Temperature Cycling | -40°C to +85°C | -65°C to +125°C (Cyclic) | ECSS-Q-ST-70C | ||||||
| Vacuum Compatibility | Not required | 10⁻⁶ Torr, 72-hour testing | MIL-PRF-55342G | ||||||
| Hermeticity (Leak Rate) | Not critical | ≤1.5×10⁻⁹ Pa·m³/s | Helium leak test | ||||||
| Thermal Cycling Leak Rate | Δ≈15×10⁻⁶/℃ | Δ≤3×10⁻⁶/℃ | Matching CTE to flange material | ||||||
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