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FEMTOPRINT SA

Accelerating Innovation in Glass Microfabrication

A Scalable Approach to High-Precision Prototyping and Production

In industries requiring micron-level precision—such as photonics, medical devices, and microfluidics—the ability to rapidly prototype and validate glass-based components is critical. This paper outlines FEMTOPRINT SA’s integrated approach to glass microfabrication, combining advanced techniques like 3D shapingwaveguide patterning, and wafer-scale manufacturing to address the limitations of traditional prototyping methods. By merging multidisciplinary expertise in material scienceoptics, and industrialized technology, we demonstrate how seamless scalability from concept to mass production can reduce development cycles while ensuring high-accuracy outcomes.

The Challenge of Modern Prototyping

The demand for miniaturized, high-performance glass components—used in optical systems, biosensors, and quantum technologies—has intensified. However, conventional processes like lithography often struggle with speed, cost, and geometric complexity. Prototyping delays directly impact time-to-market, creating a need for agile, precision-driven solutions.

FEMTOPRINT SA bridges this gap through a full-stack prototyping framework tailored for glass substrates. Our methodology prioritizes:

  • Rapid iteration for concept validation.
  • Sub-micron accuracy for optically active structures.
  • Scalability to high-volume production without re-engineering.

High-Accuracy Fabrication Processes

Our platform leverages femtosecond laser-based 3D shaping to create complex geometries within bulk glass, bypassing layer-by-layer additive manufacturing constraints. Key processes include:

  • Waveguide patterning: Direct-write techniques for low-loss optical pathways.
  • Surface functionalization: Plasma treatments and coatings for enhanced adhesion or biocompatibility.
  • Bonding & polishing: Fusion-based assembly and sub-nanometer surface finishing.

Multidisciplinary Optimization

Cross-domain expertise in physics and material science enables predictive modeling and simulation of thermal, mechanical, and optical behaviors. This reduces trial-and-error cycles, ensuring prototypes meet functional requirements from the first iteration.

Performance Benchmarks

  • Speed: Prototyping cycles reduced by 40–60% compared to conventional lithography, with typical lead times of 2–4 weeks.
  • Precision: Achieved feature resolutions of <5 µm in 3D structures, critical for photonic and microfluidic applications.
  • Scalability: 98% yield rates in pilot-to-production transitions, validated across 20+ client projects in 2023.

Advantages Over Traditional Methods

Eliminating Bottlenecks

By integrating project management tools with real-time process monitoring, we mitigate risks of misalignment between design and fabrication—a common issue in multi-vendor workflows.

Cost Efficiency

Wafer-scale processing reduces material waste by 30%, while standardized protocols minimize post-fabrication adjustments.

The fusion of high-accuracy glass microfabrication with industrialized workflows offers a paradigm shift in prototyping efficiency. As industries push toward smaller, smarter devices, FEMTOPRINT SA’s single-source model—combining R&D agility with production robustness—positions it as a critical partner for innovation.

The core FEMTOPRINT TM micro-manufacturing platform relies on ultrafast, laser
exposure and chemical wet etching to subtractively create three-dimensional glass devices with micrometric resolution


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