SEMICONDUCTOR DEVICE AND POWER CONVERSION DEVICE
A termination structure in which a semiconductor active region is surrounded with a guard ring and capable of preventing corrosion of a metal layer connected to the guard ring includes: an active region and a guard ring region surrounding the active region. A guard ring is formed on the semiconducto...
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| creator | KAWASE, Daisuke FURUKAWA, Tomoyasu |
| description | A termination structure in which a semiconductor active region is surrounded with a guard ring and capable of preventing corrosion of a metal layer connected to the guard ring includes: an active region and a guard ring region surrounding the active region. A guard ring is formed on the semiconductor substrate, and an interlayer insulating film is formed on the semiconductor substrate so as to cover the guard ring. A field plate is disposed on the interlayer insulating film and is electrically connected to the guard ring via a contact penetrating the interlayer insulating film. A protective film covers the field plate, which has a laminated structure including a first metal in contact with the guard ring and a second metal which is disposed in contact with the first metal and has a lower standard potential than the first metal. |
| format | Patent |
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A guard ring is formed on the semiconductor substrate, and an interlayer insulating film is formed on the semiconductor substrate so as to cover the guard ring. A field plate is disposed on the interlayer insulating film and is electrically connected to the guard ring via a contact penetrating the interlayer insulating film. 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A guard ring is formed on the semiconductor substrate, and an interlayer insulating film is formed on the semiconductor substrate so as to cover the guard ring. A field plate is disposed on the interlayer insulating film and is electrically connected to the guard ring via a contact penetrating the interlayer insulating film. A protective film covers the field plate, which has a laminated structure including a first metal in contact with the guard ring and a second metal which is disposed in contact with the first metal and has a lower standard potential than the first metal.</abstract><oa>free_for_read</oa></addata></record> |
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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 |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-08T08%3A09%3A56IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=KAWASE,%20Daisuke&rft.date=2021-11-25&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EUS2021367028A1%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |