Semiconductor device and power conversion device
The present invention relates to a semiconductor device, wherein the semiconductor substrate includes: a semiconductor layer; and a well region, the semiconductor device includes: a surface electrode provided on a second main surface on a side opposite to a first main surface; a back surface electro...
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| creator | Hino, Shiro Takaki, Yasushi Ebihara, Kohei Miyazaki, Kosuke |
| description | The present invention relates to a semiconductor device, wherein the semiconductor substrate includes: a semiconductor layer; and a well region, the semiconductor device includes: a surface electrode provided on a second main surface on a side opposite to a first main surface; a back surface electrode provided on the first main surface; and an upper surface film covering an end edge portion of the surface electrode and at least part of an outer side region outside an end surface of the surface electrode of the semiconductor substrate, the well region includes a portion extending to the outer side region and a portion extending to an inner side region inside the end surface of the surface electrode, and the upper surface film includes at least one outer peripheral opening part provided along an outer periphery of the surface electrode away from the surface electrode of the outer side region. |
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and a well region, the semiconductor device includes: a surface electrode provided on a second main surface on a side opposite to a first main surface; a back surface electrode provided on the first main surface; and an upper surface film covering an end edge portion of the surface electrode and at least part of an outer side region outside an end surface of the surface electrode of the semiconductor substrate, the well region includes a portion extending to the outer side region and a portion extending to an inner side region inside the end surface of the surface electrode, and the upper surface film includes at least one outer peripheral opening part provided along an outer periphery of the surface electrode away from the surface electrode of the outer side region.</description><language>eng</language><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ; BASIC ELECTRIC ELEMENTS ; CONTROL OR REGULATION THEREOF ; 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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS BASIC ELECTRIC ELEMENTS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION SEMICONDUCTOR DEVICES |
| title | Semiconductor device and power conversion device |
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