Keyto PEI Diffusion Bonded Manifold | Tunable Channel Geometry

Keyto's bonded manifold is made by molecular bonding of multi-layer processed parts with specific flow path features and supports up to five layers. It integrates functions such as sample addition, dilution, reagent mixing, reaction, separation, and detection, saving reagents and enhancing system integration. The manifold supports multi-level, multi-fluid path designs with material options including PMMA, PEI, and PVC, and offers O-type, square, and D-type flow path structures. Keyto's O-type structure provides large fluidity, low resistance, and minimal dead volume, supported by mature mass production capabilities.

Key Parameters:

Customized

Reference Model:

Manifold-PEI-5

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Keyto PEI Diffusion Bonded Manifold | Tunable Channel Geometry

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Keyto PEI Diffusion Bonded Manifold | Flow Resistance Optimization | Reagent Saving

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Overview

Keyto PEI Diffusion Bonded Manifold | Tunable Channel Geometry

Geometry-tunable channels for optimized resistance, dead volume, and routing density.

Keyto’s PEI-5 diffusion bonded manifold is built for engineers who need fine control over channel geometry and fluidic performance in a compact footprint. Using multi-layer diffusion bonding, PEI-5 supports up to five layers and allows square, round, or D-shaped channels to be selected based on resistance targets, priming behavior, and dead-volume constraints. The sealed internal routing consolidates multiple fluid functions—sample addition, dilution, mixing, reaction routing, separation, and detection—while reducing external tubing and leak risks. Submit your drawings to tailor channel geometry, port layout, and integration details.

Feature Bullets

Channel geometry options (square/round/D-shaped) for performance tuning
Up to 5-layer bonded architecture to increase routing density
Minimum channel feature down to 0.5 mm; ±0.01 mm tolerance (design dependent)
Designed to reduce dead volume and improve reagent efficiency
Sealed internal routing reduces external connections and leak points
Customization support based on 2D/3D drawings and system targets

FAQ

Q1: How do I choose the best channel shape?
A: It depends on your goals (dead volume, resistance, priming). We can recommend a geometry after reviewing your flow targets and layout.

Q2: Can PEI-5 support multiple parallel channels?
A: Yes. Parallel routing and distribution networks are supported and can be balanced through design.

Q3: Is this suitable for compact devices?
A: Yes. PEI-5 is designed for dense routing in space-limited instruments where integration matters.

Q4: Can you support iterative design revisions?
A: Yes. We support prototyping loops and design refinement until performance targets are met.

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