TESCAN

TESCAN is a Czech scientific-instrument company headquartered in Brno that develops and manufactures electron-beam and X-ray imaging systems. Its portfolio is centered on scanning electron microscopes (SEM), focused ion beam systems and combined focused ion beam–scanning electron microscope platforms (FIB-SEM), scanning transmission electron microscopes (STEM), and microcomputed tomography (microCT) systems. These instruments support research and industrial workflows in materials science, semiconductor development and production, geosciences, life sciences, and related fields requiring high-resolution imaging, analysis, sectioning, or three-dimensional characterization. The company emerged in 1991 after the transformation of the former Czechoslovak industrial and research environment following the Velvet Revolution. TESCAN was established by former Tesla electron-microscope development and service employees in Brno. Its name combines references to Tesla, the historical Czechoslovak electron-microscopy tradition, and scanning. In its early years, TESCAN did not begin as a full-range microscope producer. It manufactured programmable controllers, digitizers for older analogue scanning electron microscopes, and other accessories. The business subsequently developed into a manufacturer of complete electron-microscopy platforms and associated analytical technologies. TESCAN's origins are closely connected with Brno's long-standing role in European electron microscopy. Electron-microscope production in the city dates to the 1950s, when a team led by Armin Delong developed instruments in the Czechoslovak industrial and scientific system. The Tesla BS 242 microscope received a gold medal at the 1958 EXPO, and Tesla reportedly produced more than 3,000 microscopes during approximately three decades, exporting them to more than 20 countries. After Tesla was divided into smaller companies, several successor businesses continued to participate in the electron-microscopy sector, including the organization that became TESCAN. A major structural turning point came in 2013, when TESCAN and French ion-beam technology company ORSAY PHYSICS combined to form TESCAN ORSAY HOLDING. The combination broadened TESCAN's capabilities in customized focused ion beam and electron-beam technologies while retaining Brno as the headquarters and a principal base for product development, manufacturing, and research. The holding company's activities are supported by subsidiaries and distributors serving customers across Europe, Asia, and the Americas. The company states that most of its production is exported through this international network. TESCAN's products are positioned as advanced research and process-development tools rather than consumer goods. SEM platforms provide surface and compositional imaging; FIB systems add localized milling, deposition, and preparation functions; integrated FIB-SEM systems combine these capabilities for three-dimensional and site-specific analysis; STEM instruments address transmission-based nanoscale investigation; and microCT systems provide non-destructive volumetric imaging. The resulting customer base spans universities, public research laboratories, industrial laboratories, semiconductor organizations, and companies working with metals, minerals, geological materials, biological specimens, and engineered materials. The brand remains associated with Czech engineering and the Brno electron-optics ecosystem while operating internationally. A reported installation of the company's 3,000th microscope at the University of Freiburg in Germany in 2020 marked the scale of its cumulative installed base. Publicly available reference material does not establish a current chief executive, ownership details, listing status, or a specific corporate website, so those fields are left unspecified here.

TESCAN's history is rooted in Brno's electron-microscopy tradition. Electron microscope development and production in the city began in the 1950s, when a team led by Armin Delong worked within the Czechoslovak scientific and industrial system. One notable early product was the Tesla BS 242, which received a gold medal at the 1958 EXPO. Over roughly three decades, Tesla produced more than 3,000 microscopes and exported them to more than 20 countries, helping establish Brno as an important European center for electron optics. The political and economic changes following the Velvet Revolution led to the division of Tesla into several smaller enterprises. TESCAN was founded in 1991 by former Tesla development and service personnel. Its name was formed from elements associated with Tesla and scanning. The new company initially supplied supporting technologies rather than a broad range of complete microscopes. Its early products included programmable controllers, digitizers for older analogue scanning electron microscopes, and other small accessories. Over time, TESCAN expanded from components and accessories into the design and manufacture of complete electron-microscopy systems. Its capabilities came to include scanning electron microscopes, focused ion beam equipment, combined FIB-SEM systems, scanning transmission electron microscopes, and microcomputed tomography platforms. These products allowed the company to address both conventional imaging and more specialized workflows such as localized material removal, three-dimensional reconstruction, nanoscale transmission imaging, and non-destructive volumetric analysis. In 2013, TESCAN merged with ORSAY PHYSICS, a French company known for customized focused ion beam and electron-beam technology. The resulting TESCAN ORSAY HOLDING structure combined TESCAN's SEM and FIB workstation activities with ORSAY PHYSICS's ion-beam expertise. Brno remained the group's headquarters and a central location for manufacturing and research and development. The holding company developed an international commercial structure involving subsidiaries in Europe, Asia, and the Americas, together with distributors serving additional markets. TESCAN's instruments serve a broad set of technical and scientific applications. Materials researchers use them to examine surfaces, phases, defects, and composition. Semiconductor customers use electron and ion beams for process development, failure analysis, and site-specific sample preparation. Geoscience and life-science users apply microscopy and tomography to geological, biological, and engineered specimens. This breadth has made the company an international supplier while preserving its identity as a Brno-based Czech manufacturer. A reported installation at the University of Freiburg in Germany in 2020 was identified as TESCAN's 3,000th microscope installation. The milestone illustrated the company's development from an accessory and service-oriented successor business into a global supplier of advanced microscopy platforms. Available reference material does not provide a sufficiently documented account of subsequent ownership changes, current executives, or detailed annual financial performance.

• 2020

  3,000th microscope installation

  [1]TESCANen.wikipedia.org

  The company reports installation of its 3,000th microscope at the University of Freiburg in Germany.

• 2013

  TESCAN ORSAY HOLDING is created

  [1]TESCANen.wikipedia.org

  TESCAN combines with ORSAY PHYSICS, adding French focused ion beam and electron-beam technology capabilities to the group.

• 1991

  TESCAN is founded

  [1]TESCANen.wikipedia.org

  Former Tesla development and service employees establish TESCAN after the post-Velvet Revolution restructuring of the Czechoslovak company.

• 1958

  Tesla BS 242 receives an EXPO gold medal

  [1]TESCANen.wikipedia.org

  The Tesla BS 242 electron microscope receives a gold medal at the 1958 EXPO, an important early achievement in the Brno electron-optics tradition.

• 1950

  Brno electron-microscopy production begins

  [1]TESCANen.wikipedia.org

  Electron-microscope development and production associated with the Tesla organization begins in Brno, laying the historical foundation for the region's later microscopy industry.

Advanced scientific-instrument manufacturer serving research, materials characterization, semiconductor, geoscience, and life-science applications.

• Electron microscopy

  Scanning electron microscopes

  TESCAN's scanning electron microscopes form the core of its product portfolio. SEM systems scan a focused electron beam across a specimen and collect signals produced by the interaction between the beam and the sample. They are used for high-resolution surface imaging, morphology studies, material characterization, and analytical work across materials science, semiconductor research, geosciences, and life sciences.

• Ion-beam instrumentation

  Focused ion beam systems

  Focused ion beam systems use a concentrated ion beam for localized milling, sectioning, deposition, and preparation of samples. These capabilities are particularly useful when researchers need to expose a specific region, prepare a site for further analysis, or modify a microscopic structure with controlled precision.

• Correlative electron and ion microscopy

  FIB-SEM systems

  Combined focused ion beam–scanning electron microscope platforms integrate ion-beam processing with electron-beam imaging. The combination supports site-specific cross-sectioning, serial sectioning, three-dimensional reconstruction, failure analysis, and detailed investigation of complex materials and semiconductor structures.

• Transmission electron microscopy

  Scanning transmission electron microscopes

  TESCAN's scanning transmission electron microscopy systems are designed for transmission-based examination of suitably prepared specimens. STEM methods enable nanoscale investigation of internal structure and material properties and complement the company's surface-oriented SEM and ion-beam technologies.

• X-ray imaging

  Microcomputed tomography systems

  Microcomputed tomography systems provide three-dimensional, non-destructive imaging of internal features. They can be applied to materials, geological samples, biological specimens, and manufactured components where volumetric structure must be studied without physically sectioning the object.

• 2013

  Combination with ORSAY PHYSICSM&A

  Background

  TESCAN operated in scanning electron microscopy and focused ion beam workstations, while ORSAY PHYSICS brought expertise in customized focused ion beam and electron-beam technology.

  Action taken

  The two companies combined to establish TESCAN ORSAY HOLDING, headquartered in Brno.

  Aftermath

  The transaction broadened the group's technology capabilities and formed the basis for a wider international subsidiary and distributor network.

  Source

• 2020

  TESCAN installs its 3,000th microscope at the University of Freiburg[1]TESCANen.wikipedia.org

  Other

  A TESCAN microscope installation at the University of Freiburg in Germany was described as the company's 3,000th, marking a significant cumulative-installation milestone.

• 2013

  TESCAN and ORSAY PHYSICS establish TESCAN ORSAY HOLDING[1]TESCANen.wikipedia.org

  M&A

  TESCAN combined with French focused ion beam and electron-beam technology company ORSAY PHYSICS to create TESCAN ORSAY HOLDING, expanding the group's technology base and international structure.

1. 1TESCANen.wikipedia.org