H - Electricity – 01 – L
Patent
H - Electricity
01
L
H01L 29/739 (2006.01)
Patent
CA 2409583
The invention concerns an anode voltage sensor of a vertical power component selected from the group consisting of components called thyristor, MOS, IGBT, PMCT, EST, BRT transistor, MOS thyristor, turn-off MOS thyristor, formed by a lightly doped N-type substrate (1) whereof the rear surface (2) having a metallizing coat corresponds to the component anode. Said sensor comprises, on the front surface side, a substrate zone (12) surrounded at least partly by a P-type region with low potential in front of an anode potential, said zone (12) being coated with a metallizing coat (M) in ohmic contact with it, whereon is provided an image of the anode voltage.
L'invention concerne un capteur de tension d'anode d'un composant de puissance vertical choisi dans le groupe comprenant les composants dits thyristor, transistor MOS, IGBT, PMCT, EST, BRT, thyristor MOS, thyristor MOS blocable, formés dans un substrat de type N (1) faiblement dopé et dont la face arrière (2) revêtue d'une métallisation correspond à l'anode du composant. Ce capteur comprend, du côté de la face avant, une zone (12) du substrat entourée au moins partiellement d'une région (11) de type P à un potentiel bas devant un potentiel d'anode, ladite zone (12) étant revêtue d'une métallisation (M) en contact ohmique avec elle, sur laquelle est fournie une image de la tension d'anode.
Austin Patrick
Breil Marie
Causse Olivier
Jalade Jean
Laur Jean-Pierre
Centre National de La Recherche Scientifique
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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