Location History:
- Tokuyama, JP (2004)
- Shunan, JP (2008)
- Ibaraki, JP (2018)
Company Filing History:
3 out of 504 
1 out of 76 
Years Active: 2004-2018
Title: Yasuko Takeda: Innovator in Metal/Ceramic Bonding Technologies
Introduction
Yasuko Takeda is a prominent inventor based in Ibaraki, Japan. She has made significant contributions to the field of materials science, particularly in the development of metal/ceramic bonding technologies. With a total of 3 patents to her name, her work has paved the way for advancements in various industrial applications.
Latest Patents
One of her latest patents is focused on a metal/ceramic bonding substrate and the method for producing it. This innovation involves a wet blasting treatment that utilizes a slurry containing spherical alumina as abrasive grains. The process ensures that the ceramic substrate, made from aluminum nitride sintered body, maintains a residual stress of not higher than -50 MPa. The resulting surface roughness parameters are meticulously controlled to achieve optimal bonding strength and heat cycle resistance when bonding a metal plate, such as copper or a copper alloy, to the ceramic substrate.
Another notable patent by Takeda is for a substrate designed for device bonding. This substrate features an electrode layer and a Pb-free solder layer, which is composed of various metals, including Sn, Au, and In. The solder layer is engineered to have a specific thickness and surface roughness, ensuring high performance in electronic applications.
Career Highlights
Throughout her career, Yasuko Takeda has worked with reputable companies, including Tokuyama Corporation and Dowa Metaltech Co., Ltd. Her experience in these organizations has allowed her to refine her expertise in materials engineering and innovation.
Collaborations
Takeda has collaborated with notable colleagues, including Yuichiro Kawabata and Junji Momoda. These partnerships have contributed to her success and the advancement of her research in the field.
Conclusion
Yasuko Takeda's innovative work in metal/ceramic bonding technologies has established her as a key figure in materials science. Her patents reflect her commitment to advancing industrial applications and improving bonding techniques. Her contributions continue to influence the field and inspire future innovations.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.