manufacturer of iris filter waveguide WR6(slot arraies, directional couplers, choke flanges, circulators)! supplier of WR06 (switchs, terminations, twists, multiplexers,combiners, dividers, isolators) components!
Precision D- Band WR06 Waveguide Components – Made to Your Drawings
As a dedicated manufacturer of D- band WR06 (110–170 GHz) millimeter wave components, we produce high performance waveguide parts exclusively from customer drawings. Our ultra precision machining achieves micron and submicron tolerances – essential for the 1.65mm× 0.825mm inner bore of a straight waveguide, a sharp E- plane or H-plane bend, or a twist that demands ±1.5μm rotational smoothness.
We are an experienced manufacturer of iris filter waveguide WR06, where each iris filter window is held to ±1.5 μm for exact center frequency control. Our slot arrays are machined with slot length tolerances of ±2 μm to keep sidelobe levels below –25 dB, while directional couplers feature coupling hole diameter tolerances of ±2 μm, ensuring >22dB directivity. We also produce choke flanges with ring groove depth controlled to ±1 μm, and plain flanges with flatness ≤1.5 μm.
As a reliable supplier of WR06 components, we deliver switches (rotor‑stator gap 3–5 μm), terminations with smooth absorber cavities, multiplexers that maintain cavity consistency within ±1 μm, and combiners, dividers, and isolators with ferrite pocket depth tolerances of ±1.5 μm. Our circulators feature Y‑junction cavity symmetry ≤2 μm for >20 dB isolation. Additionally, we manufacture probe transitions (backshort depth ±1 μm) and power dividing networks (E‑plane T‑junctions or Magic‑Ts) with tip radii ≤0.02 mm.
Every component is machined from oxygen‑free copper (gold plated) using micro‑EDM, femtosecond laser, or 5‑axis ultra‑precision milling. We inspect each part with CMM (±0.3 μm) and VNA up to 170 GHz. Send us your drawings – we will deliver WR‑06 waveguides machined exactly to your specifications.
Complete List of D-Band (WR-06) Precision-Machined Waveguide Components
| components name | typical tolerances | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Straight waveguide section | Inner bore 1.65×0.825 mm, straightness ±2 μm, Ra≤0.05 μm | ||||||||
| E-plane. H-plane bend | Internal profile tolerance ±2 μm, angle deviation ≤0.3° | ||||||||
| Twist | Smooth rotational transition ±1.5 μm, polarization isolation>30 d | ||||||||
| Combiner | Branch corner radius ≤0.02 mm, amplitude balance ±0.2 dB | ||||||||
| Divider | Asymmetry ≤0.5 μm, phase consistency ±2° | ||||||||
| Isolator | Ferrite pocket depth tolerance ±1.5 μm, magnet hole position ±2 μm | ||||||||
| Circulator | Y-junction cavity symmetry ≤2 μm, isolation >20 dB | ||||||||
| Switch (mechanical/MEMS) | Rotor-stator gap 3–5 μm, contact surface Ra≤0.05 μm | ||||||||
| Termination (load) | Termination Absorber cavity tolerance ±3 μm, smooth tapered transition | ||||||||
| Multiplexer | Cavity dimension consistency ±1 μm, channel isolation >50 dB | ||||||||
| Iris filter | Iris window tolerance ±1.5 μm, center frequency error ≤0.1% | ||||||||
| Directional coupler | Coupling hole diameter tolerance ±2 μm, directivity >22 dB | ||||||||
| Probe transition | Backshort depth tolerance ±1 μm, conversion loss ≤1 dB | ||||||||
| Slot array antenna | Slot length tolerance ±2 μm, sidelobe level ≤-25 dB | ||||||||
| Power dividing network (E-plane T-junction / Magic-T) | Tip radius ≤0.02 mm, amplitude consistency ±0.3 dB | ||||||||
| Plain flange | Flatness ≤1.5 μm, dowel pin hole IT5 grade | ||||||||
| Choke flange | Ring groove depth tolerance ±1 μm | ||||||||
comparison of waveguide components in different frequency bands
| dimension | microwave components | millimeter wave components | submillimeter wave components | ||||||
|---|---|---|---|---|---|---|---|---|---|
| frequency band | 1GHz ~ 30GHz | 30GHz ~ 300GHz | 300GHz ~ 3THz | ||||||
| waveguide model | WR-90（8.2-12.4GHz） WR-42（18-26.5GHz） | WR-28（26.5-40GHz） WR-10（75-110GHz） | WR-2.2（330-500GHz） WR-1.0（750-1100GHz） | ||||||
| waveguide inner wall | Centimeter level (e.g., 22.86mm × 10.16mm) | Millimeter level (e.g., 2.54mm × 1.27mm) | Submillimeter level (e.g., 0.25mm × 0.13mm) | ||||||
| Machining accuracy | +/-0.02mm ~ +/-0.05mm | +/-0.005mm ~ +/-0.01mm | +/-0.5um ~ +/-2um | ||||||
| Surface roughness | Ra ≤0.8um | Ra ≤ 0.4um | Ra ≤ 0.1um | ||||||
| Material | Aluminum alloy, brass, copper | Aluminum alloy (6061), oxygen-free copper, brass | Oxygen-free copper, brass, high-resistivity silicon | ||||||
| SProcessing technology | CNC | High-speed CNC | CNC diamond turning | ||||||
| application | Radar feeder, microwave heating, satellite communication | Automotive radar, 5G backhaul, millimeter-wave imaging | Terahertz imaging, astronomical detection, 6G research | ||||||
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