PRECISE Optical MEASUREMENT

Microstructure testing

Vibration and surface metrology for MEMS

MEMS dynamic response, fully revealed

Laser Doppler vibrometry enables real-time vibration measurement of MEMS
Sub-picometer displacement of resolution up to 8 GHz
Full-field characterization of motion and dynamic behavior beyond electrical testing

Surface structure of MEMS, precisely measured

Non-contact optical metrology measures form, roughness, and surface topography
Coherence scanning interferometry captures millions of height data points within seconds
Reliable characterization of MEMS and microstructures across many materials and surfaces

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MEMS testing solutions in our free webinar

Solutions for MEMS testing using Laser Vibrometry

March 24, 2026 at 11 AM PST

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Analyseur de microstructures MSA-600

Système de mesure tout-en-un pour la caractérisation 3D statique et dynamique des MEMS et des microstructures - maintenant jusqu'à 8 GHz. Le MSA-600 améliore les processus de développement et de contrôle qualité. Intégré aux stations sous pointes disponibles dans le commerce, il permet des tests au niveau des wafer.

Analyseur de microstructures MSA-650 IRIS

L'analyseur de micro-systèmes innovant et breveté MSA-650 IRIS avec caméra IR dédiée et source SLD permet de mesurer la véritable dynamique des MEMS jusqu'à 25 MHz en caractérisant les mouvements dans le plan et hors du plan à travers l'encapsulation de silicium sans contact, sans qu'il soit nécessaire de préparer ni de décapsuler le dispositif.

Analyseur de microstructures 3D MSA-100

L'analyseur de microstructures saisit simultanément des composantes vibratoires dans les trois directions spatiales. Le système de mesure optique permet une analyse vibratoire 3D à haute résolution du courant continu jusqu'à 25 MHz avec des résolutions d'amplitude de l'ordre du sous-picomètre, pour les composantes vibratoires dans le plan et hors du plan.

Analyseur de microstructures MSA-060

Utilisez le MSA-060 pour entrer dans le monde de l'analyse des microsystèmes. Enregistrez et visualisez les vibrations et la dynamique de petits composants et microsystèmes avec une précision laser sur toute une surface, de DC à 24 MHz. Les analyseurs de microsystèmes utilisent des lasers de mesure qui révèlent la véritable dynamique des petits composants sans contact et de manière non invasive.

Micro.View

TopMap Micro.View® est un profilomètre optique facile à utiliser, présenté sous la forme d'un appareil compact de table. Choisissez Micro.View® comme outil d'inspection économique pour examiner les surfaces usinées avec précision jusqu'à l'échelle subnanométrique, afin d'inspecter la rugosité, les microstructures et d'autres détails de surface.

Micro.View+

Profilomètre de surface avancé basé sur un microscope, avec automatisation et imagerie couleur. Micro.View+ permet une analyse répétable et indépendante de l'opérateur de la rugosité et de la texture, prête à l'emploi en laboratoire et en production.

Dynamic MEMS characterization

Active micro-electromechanical components—such as MEMS actuators and sensors—require advanced measurement technology because electrical testing alone cannot fully reveal their mechanical behavior. Polytec’s MSA Micro System Analyzers provide comprehensive characterization of microsystems by combining high-resolution surface topography with precise measurement of dynamic motion.

Using laser Doppler vibrometry, MSA systems capture micro-scale vibrations and resonances across a broad frequency range up to the GHz level. Engineers can visualize full-field mode shapes with exceptional displacement resolution and true phase information—ideal for design validation, performance optimization, and failure analysis.

With patented IRIS technology, Polytec systems can even measure MEMS dynamics through intact silicon encapsulation, allowing engineers to test devices in their final packaged state without modification. This enables faster development cycles, deeper insight into device behavior, and greater confidence in MEMS performance.

Non-contact analysis of tiny mechanical and biological probes in 3D
Full-field, optical vibration analysis of a combdrive at 6.8 kHz
Micro System Analyzer IRIS using IR laser for measuring MEMS through Si caps in final state
Vibration measurement as a service for modal testing inside Si capped MEMS
MSA-650 IRIS patented measurement technology for analysis on Si capped MEMS
MEMS cantilever resolved in time and frequency domain with optical vibration measurement from Polytec

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Learn about Polytec solutions for Microstructure testing

Static topography measurement of microstructures

Ensure the performance and reliability of MEMS and microstructures with fast, non-contact surface metrology. Because microscopic structures are extremely sensitive, traditional contact measurement methods can alter or damage the sample. Polytec’s optical measurement solutions enable non-destructive surface characterization, allowing engineers to accurately evaluate form, roughness, and structural features without influencing the device.

Polytec TopMap 3D optical profilometers capture millions of height data points across the entire surface in just seconds using coherence scanning interferometry. This enables precise topography measurements on a wide range of materials—from rough CNC-machined surfaces to smooth, highly reflective wafers. Intelligent scanning technology automatically handles varying reflectivity, delivering reliable, repeatable measurements with minimal setup time.

Engineers rely on TopMap systems to quickly analyze microsensors, actuators, sealing surfaces, structured metal sheets, machined components, and biomedical samples. The result is faster development cycles, improved product quality, and greater confidence in microstructure performance.

Areal surface profile of MEMS pressure sensor (courtesy: CIS) as 2D/3D profile. Courtesy: CiS Forschungsinstitut für Mikrosensorik GmbH
Analyze MEMS and microsystems form, topography and capture height data on an entire area
Assesment of biomedical probes like LOC (Lab-on-a-Chip) devices, evaluating channel depth, parallelism or defined micro roughness for fluid transportation
High-resolution roughness measurement <1nm; sample data of a polished silicon surface
Characterizing small details and microstructures with sub-nanometer resolution; sample data of an optical polished surface
Micro roughness with cross section of a wafer surface
Analyze microstructure topography with nanometer resolution

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