Universite Francois Rabelais UFR Sciences et Techniques Patent applications |
Patent application number | Title | Published |
20130228822 | VERTICAL POWER COMPONENT - A vertical power component including a silicon substrate of a first conductivity type and, on the side of a lower surface supporting a single electrode, a well of the second conductivity type, in which the component periphery includes, on the lower surface side, a peripheral trench at least partially filled with a passivation and, between the well and the trench, a porous silicon insulating ring. | 09-05-2013 |
20120086305 | ACOUSTIC GALVANIC ISOLATION DEVICE - An electroacoustic transducer including a first electrode formed on a substrate capable of transmitting ultrasounds, a membrane formed above the first electrode and separated therefrom by a cavity, a second electrode formed on the membrane, a first insulating layer on the second electrode, and a third electrode formed on the first insulating layer. | 04-12-2012 |
20110121407 | BIDIRECTIONAL POWER SWITCH CONTROLLABLE TO BE TURNED ON AND OFF - A bidirectional power transistor formed horizontally in a semiconductor layer disposed on a heavily-doped semiconductor wafer with an interposed insulating layer, the wafer being capable of being biased to a reference voltage, the product of the average dopant concentration and of the thickness of the semiconductor layer ranging between 5ยท10 | 05-26-2011 |