Feinmechanik Ulrich Klein GmbH

What Feinmechanik Ulrich Klein GmbH does

Feinmechanik Ulrich Klein GmbH is a privately held German precision mechanics manufacturer founded in 1976 and headquartered in Velbert, Germany. The company develops and manufactures high-precision manipulators for scanning electron microscopy (SEM) and ultra-high vacuum (UHV) applications, linear and cross tables, linear actuators up to 10 kN, CNC-turned and milled parts, and gears (modules 0.3 to 1.5, up to Ø 100 mm). Its SEM manipulator line features 5-axis configurations with piezo or stepper motors, achieving 0.5 µm positioning accuracy and 0.2 µm resolution, and includes a 12-inch UHV stage with 315 mm X/Y travel. Products are used by electron microscope OEMs (Zeiss, FEI/Thermo Fisher), nanofabrication and e-beam lithography firms (Raith), and a range of industrial, semiconductor, medical, and metrology customers including Siemens, GE, Elmos, Fischer, Nanofocus, and IonTof.

The company operates a fully integrated manufacturing process chain at a single site in Velbert: in-house CAD development, CNC machining, multi-stage cleaning with vacuum drying, cleanroom-grade assembly, end-device testing, and packaging/logistics. It serves over a dozen named industries spanning SEM, semiconductor, material testing, mechanical engineering, medical technology, automation, metrology, and nanotechnology. Distribution is primarily direct B2B, with SEM manipulators additionally sold worldwide through partner firms. Feinmechanik Ulrich Klein GmbH is family-owned, with founder Ulrich Klein, Birgit Schnaudt, and Oliver Schnaudt serving as Managing Directors; it has no external investors, no funding rounds, and no subsidiary structure.

Name

Feinmechanik Ulrich Klein GmbH

Legal name

Feinmechanik Ulrich Klein GmbH

Website

https://feinmechanik-klein.de

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

1–10 employees

Short description

Feinmechanik Ulrich Klein GmbH is a German precision mechanics manufacturer (founded 1976, Velbert) producing high-accuracy SEM manipulators, linear/cross tables, linear actuators, and CNC parts for electron microscope OEMs (Zeiss, Thermo Fisher/FEI) and industrial customers across semiconductor, metrology, and research sectors.

Ownership category

akta.pro rank

Product category

Precision Mechanical Components Manufacturing

NAICS

Machine Shops (332710), Precision Turned Product Manufacturing (332721), Machine Tool Manufacturing (333517)

SIC

Machine Tools, Metal Cutting Types (3541), Special Industry Machinery, Nec (3559), Screw Machine Products (3451)

akta.pro primary industry

Motion & Machine Control (CNC, Robotics Controllers, Servo/Motion Controllers) (IMAGABAG)

Headquarters

HQ city

Velbert

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Supply Chain, Infrastructure, Others

Revenue model

1. Precision Mechanical Components Manufacturing: Custom manufacturing of precision mechanical components including manipulators, linear/cross tables, vacuum components, CNC turned and milled parts, gears, and linear actuators up to 10 kN. Products are sold as one-time purchases with custom specifications per customer requirements.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels1 record

Core offering

Feinmechanik Ulrich Klein GmbH develops and manufactures custom precision mechanical components and assemblies on modern CNC machining centers. Its portfolio centers on high-precision manipulators and stages for scanning electron microscopes and ultra-high vacuum applications, linear and cross tables, linear actuators up to 10 kN, and CNC-machined parts including a full range of gears (spur, bevel, worm, toothed belt pulleys, angular gearboxes). The company runs the complete process chain in-house: development/CAD, CNC manufacturing, cleaning, assembly under near-cleanroom conditions, device testing/specification checks, and packaging/logistics.

Product overview

Feinmechanik Ulrich Klein GmbH is a precision mechanics company founded in 1976, offering a portfolio of precision-engineered products centered around Manipulatoren (HV/UHV) for scanning electron microscopes and ultra-high vacuum applications, Linear- und Kreuztische for precision positioning, Linearantriebe bis 10 kN for linear actuation, and CNC-Teilefertigung including Stirnzahnräder, Zahnriemenräder, Kegelräder, Schnecken und Schneckenräder, and Winkelgetriebe. The product line is supported by feinmechanische Sonderlösungen for custom precision mechanics requirements. The company provides a complete manufacturing process chain from development and CNC manufacturing through cleaning, assembly, device testing, and packaging/logistics, serving industries including scanning electron microscopy, materials testing, mechanical engineering, medical technology, semiconductor industry, automation technology, metrology, and nanotechnology.

Differentiator

Problem solved

Functional benefit

Products and services

• Manipulatoren (HV/UHV) for scanning electron microscopes High-precision manipulators for scanning electron microscopes (SEM) and ultra-high vacuum (UHV) applications, featuring multi-axis (5-axis) control, piezo motor or stepper motor drives, and integrated measurement systems for accurate sample positioning and investigation. Distributed worldwide through partner firms.
• 12 Zoll UHV-Stage Ultra-high vacuum stage supporting 12-inch samples with 315 mm X/Y travel, piezo motor drives, and 1 µm positioning accuracy for SEM and UHV applications.
• High-precision scanner stage Precision scanner stage with 130 mm X/Y travel and 40 mm Z-axis, supporting step/DC, piezo motor, or servo drive options with integrated measurement systems for SEM and inspection applications.
• Probenschleuse (sample airlock) Sample airlock system for transferring samples up to 200 mm / 8 inches into scanning electron microscopes.
• UHV rotary feedthroughs (UHV-Drehdurchführungen) Ultra-high vacuum rotary feedthroughs with manual wheel and 4-digit position counter, optionally with motor flange attachment for SEM and vacuum systems.
• Tensile and heating testing module (Zugmodul) Heating and tensile testing module with 1000 kg pulling force, mounted on a Zeiss 5-axis manipulator, enabling simultaneous mechanical loading measurements and microscopic surface observation.
• Linear and cross tables (Linear- und Kreuztische) Linear and cross tables for precision positioning applications, available as standard or custom configurations, functioning as measurement tables and/or handling systems with ball or roller linear guides.
• Linear actuators up to 10 kN (Linearantriebe bis 10 kN) Linear drives with force capacity up to 10 kN for building technology, vehicle technology, and mechanical engineering applications.
• CNC parts manufacturing (CNC-Teilefertigung) CNC precision parts manufacturing service including turning, milling, and gear cutting operations on machining centers, processing all machinable metals and technical plastics to customer specifications.
• Toothed belt pulleys (Zahnriemenräder) Toothed belt pulleys up to T5 profile and Ø 100 mm, manufactured as part of the CNC parts manufacturing offering.
• Bevel gears (Kegelräder) Bevel gears manufactured from module 0.3 to 1, produced on CNC gear cutting machines.
• Worms and worm wheels (Schnecken und Schneckenräder) Worms and worm wheels manufactured from module 0.3 to 1, produced on CNC gear cutting machines.
• Angular gearboxes (Winkelgetriebe) Angular gearboxes (e.g., 20 teeth, module 1) manufactured as part of the CNC parts manufacturing offering.
• Custom precision mechanics solutions (Feinmechanische Sonderlösungen) Custom-engineered precision mechanics designed and manufactured to customer specifications, covering the full process chain from development and CAD construction through CNC manufacturing, cleaning, assembly, testing, and packaging.

Quantifiable outcome

• Positioning accuracy up to 0.5µm
• +5 more outcomes

Named customers7 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered core.

• FEI Company (now part of Thermo Fisher Scientific)coreTechnology or IntegrationFEI Company is a major manufacturer of electron microscopes. Feinmechanik Ulrich Klein GmbH developed a 5-axis manipulator for FEI Company's scanning electron microscopes for investigating samples up to Ø 5 inch and weights up to 2 kg. This represents a core product partnership for electron microscopy applications.
• ZeisscoreTechnology or IntegrationZeiss is a leading manufacturer of electron microscopes. The company developed the PT5 5-axis manipulator specifically for Zeiss microscopes, designed for samples up to Ø 4 inch and weight up to 2 kg, with vacuum-compatible stepper motors.

Scale indicators2 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Physik Instrumente (PI): Larger German incumbent in precision positioning technology with a much broader product portfolio (piezo, hexapods, nanopositioning). Competes with Feinmechanik Klein across manipulator, scanner stage, and motion control applications while serving a much wider industrial base.

Direct peers

• SmarAct GmbH: Oldenburg-based manufacturer of high-precision piezo-based positioning and metrology systems for SEM, optics, and scientific instrumentation. Closest direct competitor to Feinmechanik Klein in vacuum-compatible nanopositioning, with overlapping customer base in electron microscopy and nanofabrication.
• attocube systems AG: Munich-based developer of nanopositioning and cryogenic motion systems. Competes in the same high-end scientific positioning market, particularly for UHV and low-temperature electron microscopy and quantum applications.
• OWIS GmbH: Staufen-based manufacturer of precision linear stages, optical mounts, and motion systems used in laser, optics, and electron microscopy. Closely comparable product line and customer overlap with Feinmechanik Klein's linear/cross tables and positioning components.
• Steinmeyer Mechatronik GmbH: German manufacturer of high-precision positioning stages and mechatronic systems for semiconductor, metrology, and scientific applications. Overlaps with Feinmechanik Klein in vacuum and cleanroom positioning components.
• miCos GmbH: Former independent German precision positioning manufacturer (now integrated with PI). Historically a direct competitor to Feinmechanik Klein in linear stages and motion control for scientific and industrial applications.
• Schaefer Technologie GmbH: German manufacturer of precision linear positioning systems, lift platforms, and handling systems. Comparable offering to Feinmechanik Klein's linear/cross tables and handling system product range.
• isel Germany GmbH: German manufacturer of precision linear positioning systems, CNC machines, and automation components. Comparable in machine-shop capability, gear and drive manufacturing, and CNC-driven linear motion product range.

Others

• DR. JOHANNES HEIDENHAIN GmbH: German supplier of high-precision linear and angle measurement systems explicitly referenced in Feinmechanik Klein's manipulator specifications. Functions as an enabling technology partner/supplier rather than a direct competitor, but indicative of the broader precision positioning ecosystem.

Regional players

• HEMA Maschinen- und Apparateschutz GmbH: German manufacturer of precision metal components, machine enclosures, and industrial equipment. Comparable as a regional German precision metalworking peer operating in similar industrial customer segments.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/feinmechanik-ulrich-klein-gmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Feinmechanik Ulrich Klein GmbH