Location History:
- Cambridge, MA (US) (1985)
- Carlisle, MA (US) (1991 - 2018)
Company Filing History:
6 out of 8,375 
1 out of 832,891 Years Active: 1985-2018
Title: Leonard M Johnson: Innovator in Multi-Layer Semiconductor Devices
Introduction
Leonard M Johnson is a prominent inventor based in Carlisle, MA (US), known for his significant contributions to the field of semiconductor technology. With a total of seven patents to his name, Johnson has made remarkable advancements in the design and fabrication of multi-layer semiconductor devices.
Latest Patents
Johnson's latest patents include innovative designs for multi-layer semiconductor devices. One of his notable inventions is a multi-layer semiconductor device that incorporates a combination of substrate and via structures along with advanced fabrication techniques. This device features two or more semiconductor sections, each containing at least one device layer with opposing surfaces and multiple electrical connections. These connections correspond to first conductive structures, while additional second conductive structures are provided as through oxide via (TOV) or through insulator via (TIV) structures. Furthermore, the device includes silicon layers, with at least one layer featuring a third conductive structure as a through silicon via (TSV) structure. Johnson also developed interconnect structures for the assembly of multi-layer semiconductor devices, which involve multiple semiconductor structures with varying package pitches.
Career Highlights
Throughout his career, Leonard M Johnson has worked with prestigious institutions, including the Massachusetts Institute of Technology. His work has significantly impacted the semiconductor industry, leading to advancements that enhance device performance and integration.
Collaborations
Johnson has collaborated with notable professionals in the field, including Rabindra N Das and Mark A Gouker. These collaborations have contributed to the development of innovative technologies and solutions in semiconductor design.
Conclusion
Leonard M Johnson's contributions to multi-layer semiconductor devices exemplify his expertise and innovative spirit. His patents reflect a commitment to advancing technology in the semiconductor industry, making him a noteworthy figure in the field.