Company Filing History:
Years Active: 2013-2017
Title: Gerhard Daniel: Innovator in S/TEM Sample Analysis
Introduction
Gerhard Daniel is a prominent inventor based in Portland, OR (US). He has made significant contributions to the field of sample analysis, particularly in the area of scanning/transmission electron microscopy (S/TEM). With a total of 7 patents to his name, Daniel's work has advanced the methodologies used in this critical area of research.
Latest Patents
One of his latest patents is titled "Method for S/TEM Sample Analysis." This invention presents an improved method and apparatus for S/TEM sample preparation and analysis. The preferred embodiments of this invention provide enhanced methods for creating TEM samples, especially for small geometry (<100 nm thick) TEM lamellae. Additionally, it offers an in-line process for S/TEM-based metrology on objects such as integrated circuits or other structures fabricated on semiconductor wafers. This innovation aims to partially or fully automate the creation of TEM samples, making the process less labor-intensive while increasing throughput and reproducibility of TEM analysis.
Another notable patent is the "Method and Apparatus for Sample Extraction and Handling." This invention improves the extraction and handling of samples for S/TEM analysis. The preferred embodiments utilize a micromanipulator and a hollow microprobe probe that employs vacuum pressure to adhere the microprobe tip to the sample. By applying a small vacuum pressure to the lamella through the microprobe tip, the lamella can be held more securely, allowing for more accurate placement control than electrostatic force alone. The design of the probe, which features a beveled tip and the ability to rotate around its long axis, enables precise control over sample placement and orientation, thereby enhancing the predictability of analysis and throughput.
Career Highlights
Gerhard Daniel has established himself as a key figure in the field of S/TEM analysis through his innovative patents and contributions. His work has not only advanced the technology but has also paved the way for more efficient and effective methodologies in sample analysis.
Collaborations
Daniel has collaborated with notable coworkers such as Jason Harrison Arjavac and Pei Zou. Their combined expertise has contributed to the success of various projects and innovations in the field.
Conclusion
Gerhard Daniel's contributions to S/TEM sample analysis through his innovative patents have significantly impacted the field. His work continues to influence methodologies and practices,
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