Roland R Stoehr

Title: The Innovations of Roland R Stoehr

Introduction

Roland R Stoehr is a notable inventor based in Nufringen, Germany. He has made significant contributions to the field of electrical testing, holding a total of nine patents. His work primarily focuses on enhancing the efficiency and accuracy of testing systems for electronic devices.

Latest Patents

One of Stoehr's latest inventions is the contact probe arrangement. This invention relates to a system designed for electrically connecting a test system with contact pads of a device under test. The contact probes are strategically located in guide grooves, which are covered by a protective plate. This design allows the contact probes to bend laterally, ensuring a dense contact probe array. Such arrangements are particularly useful for detecting opens and shorts in integrated circuits or semiconductor chips. Stoehr's invention addresses the challenge of height differences in contact pads caused by uneven surfaces of the devices being tested.

Another significant patent is the finger tester probe. This invention includes a probe element for electrically contacting a circuit board under test. It features an actuator with a permanently premagnetized core and a solenoid element. The solenoid element is arranged to move in conjunction with the probe element when energized. This innovative design allows for high-speed contact with the circuit board, enhancing testing efficiency.

Career Highlights

Throughout his career, Stoehr has worked with prominent companies, including IBM and Atg Test Systems GmbH & Co. KG. His experience in these organizations has contributed to his expertise in the field of electrical testing and innovation.

Collaborations

Stoehr has collaborated with notable individuals in his field, including Johann Greschner and Thomas Bayer. These collaborations have likely enriched his work and led to further advancements in testing technologies.

Conclusion

Roland R Stoehr's contributions to the field of electrical testing through his innovative patents demonstrate his commitment to improving technology. His work continues to influence the industry and enhance the efficiency of testing systems for electronic devices.