Sanken Electric has been granted a patent for a semiconductor device with a unique structure. The device includes a gate electrode structure and multiple field plate structures reaching the drift region. The arrangement ensures no source region is between adjacent field plate structures in the device. GlobalData’s report on Sanken Electric gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Sanken Electric, Quantum dot devices was a key innovation area identified from patents. Sanken Electric's grant share as of April 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.
Semiconductor device with gate electrode and field plate structures
A recently granted patent (Publication Number: US11967643B2) discloses a semiconductor device with a unique structure aimed at improving performance. The device includes a first drift region, a base region, and a source region of different conductivity types, along with a main electrode and a gate electrode structure that penetrates these regions. Additionally, the device features a series of field plate structures with resistive parts that electrically connect to the main electrode, all insulated from the drift region. These field plate structures are strategically arranged in a plane to optimize performance, with no source region between adjacent structures in a specific direction.
Furthermore, the patent details various configurations and materials used in the semiconductor device, such as the resistive part being narrower and having a higher resistance value than the field plate. The gate electrode's resistance is lower than that of the field plate, and additional regions and impurity concentrations are specified to enhance the device's functionality. The unique arrangement and composition of the field plate structures and resistive parts contribute to the overall efficiency and effectiveness of the semiconductor device, making it a significant innovation in the field of semiconductor technology.
To know more about GlobalData’s detailed insights on Sanken Electric, buy the report here.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
