18642222. SEMICONDUCTOR DEVICE (FUJI ELECTRIC CO., LTD.)
Contents
SEMICONDUCTOR DEVICE
Organization Name
Inventor(s)
Takahide Tanaka of Matsumoto-city (JP)
SEMICONDUCTOR DEVICE
This abstract first appeared for US patent application 18642222 titled 'SEMICONDUCTOR DEVICE
Original Abstract Submitted
A semiconductor device includes: a base body of a first conductivity-type; a first well region of a second conductivity-type provided in the base body and including a high-side circuit; a first voltage blocking region of the second conductivity-type provided along a circumference of the first well region; a second voltage blocking region of the first conductivity-type provided on an outer circumferential side of the first voltage blocking region; a first level shift element provided to encompass a part of the first voltage blocking region; a first isolation region of the first conductivity-type provided to surround a circumference of the first level shift element; and a field plate provided over the first voltage blocking region and the first isolation region with an insulating film interposed, the field plate having a first distance from the first isolation region greater than a second distance from the first voltage blocking region.
