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Engineering samples · Pilot production · 8-inch scale-up

PMUT Custom Platforms

Custom PMUT chips and wafer-level arrays for ultrasound research, OEM integration, wearable devices, miniaturised systems and industrial sensing.

High-performance piezoelectric micromachined ultrasonic transducers and dense arrays.

1–50 MHz configurable range
Single elements to 1024 elements and beyond
Diced chips, wafer-level devices and full wafers
8-inch production route
PMUT Custom Platforms

What We Supply

  • Single-element PMUT chips
  • Linear, phased and two-dimensional arrays
  • High-density arrays up to 1024 elements and beyond
  • Wafer-level test structures and process-control monitors
  • Diced chips, engineering wafers or full-wafer delivery
  • Custom project-specific manufacturing

Configurable Parameters

  • Target frequency and bandwidth
  • Element number, pitch and aperture
  • Array geometry and chip dimensions
  • Electrical routing and interface
  • Wafer and delivery format
  • Prototype and annual production quantity

Application Areas

  • Medical and wearable ultrasound research
  • Photoacoustic imaging
  • Miniaturised and catheter-based systems
  • Industrial inspection
  • Robotics and sensing
  • Academic and OEM development

Manufacturing Route

1

Engineering Samples

2

Pilot Production

3

Volume Production

Real Fabrication & Characterisation

Selected 25FAB and project fabrication images presented in a more commercial, customer-ready format.

Fabricated PMUT wafer
Fabricated PMUT wafer
Hydrophone characterisation and measured response
Hydrophone characterisation and measured response
High-density array and catheter-scale integration example
High-density array and catheter-scale integration example

Selected Publications

Representative publications related to this platform.

Dual-frequency piezoelectric micromachined ultrasonic transducers for fundamental and harmonic imaging
IEEE MEMS 2023 Conference paper
Authors
Yanfen Zhai, Lixiang Wu
Journal / Conference
IEEE MEMS
Year
2023
Type
Conference paper
On-chip photoacoustic transducer based on monolithic integration of piezoelectric micromachined ultrasonic transducers and metasurface lenses
SPIE 2023 Oral presentation
Authors
Yanfen Zhai, Lixiang Wu
Journal / Conference
SPIE
Year
2023
Type
Oral presentation

Contact

PMUT Custom Platforms

office@25fab.ch