Vahle commissions OHT test facility for semiconductor transport

Research & Development Vahle Puts Overhead Test System With Contactless Energy Transfer into Operation

2026-04-27 From Bernd Maienschein 1 min Reading Time

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Overhead-guided material transport is used particularly in the semiconductor industry for the protected transportation of valuable semiconductors (wafers). Paul Vahle has now launched a new development and text environment for such overhead hoist transport (OHT) systems.

Stable material flow: OHT systems automatically transport sensitive wafers through production in protected FOUP containers.(Image: ALEX_GRETTER) — Stable material flow: OHT systems automatically transport sensitive wafers through production in protected FOUP containers.
(Image: ALEX_GRETTER)

At its Austrian site in Schwoich, Paul Vahle, system provider for mobile industrial applications, has put a new OHT test facility into operation as part of its research and development strategy in the semiconductor market. The overhead hoist transport system serves as an internal platform for designing, testing and validating solutions for contactless energy transmission, as detailed in a press release. With the test facility, Vahle says it is creating a basis for further developing its technologies specifically for the requirements of the semiconductor industry.

The system enables us to test and continuously optimize new systems under realistic conditions.

Marc Detweiler, Director of Product Management and Marketing

OHT systems, which are used in the semiconductor industry for automated, ceiling-guided material transport, move on rails under the hall ceiling and transport the containers (so-called Front Opening Unified Pods/FOUP) or magazines independently from one process station to the next. OHT systems are also used in the field of integrated circuit (IC) packaging, i.e. the further processing and packaging of chips.

Realistic Development Environment

The demands placed on these systems are high: in addition to maximum availability, cleanroom suitability, dynamics and operational safety play a central role. "With the new test infrastructure in Schwoich, we are creating a realistic development environment in which new product generations can be tested under real-life conditions," explains Detweiler.

A key advantage of the new test environment is the ability to carry out development and optimization processes entirely in-house. Detweiler: "This allows new technologies to be tested and further developed independently of running customer systems." At the same time, the development time for new solutions is shortened, as tests can be carried out flexibly and reproducibly.

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