Eindhoven, Netherlands

Marguerite M Van Iersel-Schiffmacher

This inventor holds 3 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1990-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Marguerite M Van Iersel-Schiffmacher. Retrieved from https://idiyas.com/inventor/marguerite-m-van-iersel-schiffmacher

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 2

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1990-1993

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3 patents (USPTO):Explore Patents

Title: Marguerite M Van Iersel-Schiffmacher: Innovator in Semiconductor Manufacturing

Introduction

Marguerite M Van Iersel-Schiffmacher is a notable inventor based in Eindhoven, Netherlands. She has made significant contributions to the field of semiconductor manufacturing, holding a total of 3 patents. Her work has advanced the technology used in semiconductor devices, showcasing her expertise and innovative spirit.

Latest Patents

One of her latest patents is a method of manufacturing a semiconductor device having a spacer. This method involves forming a spacer from a second layer in a fully self-registering manner after a layer portion of a first layer has been created. The process includes providing a second layer and a masking layer, where the masking layer has a greater thickness next to the layer portion than above it. The exposed portion of the second layer is then selectively etched to form the spacer.

Another significant patent is a method of manufacturing a semiconductor device that includes a mesa bipolar structure. This method describes creating a monocrystalline silicon region that is laterally enclosed by a sunken oxide layer and an overlying highly doped polycrystalline silicon layer. The innovation lies in the self-aligned formation of an oxide strip that separates the silicon layer from the electrode layer, enhancing the device's functionality.

Career Highlights

Marguerite is currently associated with U.S. Philips Corporation, where she continues to contribute to advancements in semiconductor technology. Her work has been instrumental in developing methods that improve the efficiency and effectiveness of semiconductor devices.

Collaborations

Throughout her career, Marguerite has collaborated with esteemed colleagues such as Henricus G Maas and Johannes W Van Der Velden. These collaborations have fostered an environment of innovation and have led to the successful development of various semiconductor technologies.

Conclusion

Marguerite M Van Iersel-Schiffmacher is a pioneering inventor whose work in semiconductor manufacturing has made a lasting impact on the industry. Her innovative methods and collaborations highlight her significant role in advancing technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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