Abstract:
An integrated circuit includes at least one photosensitive element capable of delivering an electrical signal when light of at least one wavelength of the visible spectrum reaches it, and an electrooptic system functioning as an electrochemical shutter. The electrooptic system is located in the path of at least one light ray capable of reaching the photosensitive element and possesses at least one optical property, dependent on electrochemical reaction, that can be modified by an electrical control signal. The optical property is preferably transmission.
Abstract:
A method of fabricating a device, including the steps of forming a first silicon oxide layer within a first region of the device and a second silicon oxide layer within a second region of the device, implanting doping ions of a first type into the first region, implanting doping ions of a second type into the second region, and etching the first and second regions for a determined duration such that the first silicon oxide layer is removed and at least a part of the second silicon oxide layer remains.
Abstract:
A resonator including a resonant element having a bulk and columns of a material having a Young's modulus with a temperature coefficient having a sign opposite to that of the bulk.
Abstract:
A semiconductor component in which the active junctions extend perpendicularly to the surface of a semiconductor chip substantially across the entire thickness thereof. The contacts with the regions to be connected are provided by conductive fingers substantially crossing the entire region with which a contact is desired to be established.
Abstract:
A pixel having a MOS-type transistor formed in and above a semiconductor substrate of a first doping type, a buried semiconductor layer of a second doping type being placed in the substrate under the MOS transistor and separated therefrom by a substrate portion forming a well. The buried semiconductor layer comprises a thin portion forming a pinch area placed under the transistor channel area and a thick portion placed under all or part of the source/drain areas of the transistor.
Abstract:
A method of secure booting of an SMP architecture apparatus provides for the formation of a secure domain comprising a first processor and a part of a shared memory, before the booting of the operating system of the first processor. The operating system of a second processor is booted only after the reciprocal authentication with the first processor and, in case of authentication, the extension of the secure domain to the second processor.
Abstract:
A Schottky diode with a vertical barrier extending perpendicularly to the surface of a semiconductor chip having a vertical central metal conductor in contact on the one hand with the substrate of the semiconductor chip with an interposed interface forming a Schottky barrier, and on the other hand with radially-extending conductive fingers.
Abstract:
Artifacts of an incident digital image including pixels carrying information are reduced by determining, for certain pixels being considered from the image, displaced pixels. A displaced pixel associated with a pixel being considered is situated at a location that is displaced with respect to the location of the pixel being considered. Substitution information is determined by taking into account the variations between each piece of information carried by pixels situated at locations adjacent to the pixel being considered. The pixel being considered is then selectively replaced by a substitution pixel equal to the displaced pixel or to a combination of the displaced pixel and the pixel being considered, depending on the value of the substitution information.
Abstract:
A bipolar transistor having a base region resting by its lower surface on a collector region and surrounded with a first insulating layer, a base contact conductive region in contact with an external upper peripheral region of the base region, a second insulating region in contact with an intermediary upper peripheral region of the base region, an emitter region in contact with the central portion of the base region. The level of the central portion is higher than the level of the intermediary portion.
Abstract:
A voltage regulation circuit intended to generate a regulated voltage for an electronic device, comprising: a transconductance amplifier based on a pair of MOS type differential amplifiers, said amplifier having a first input onto which a reference potential is applied and a second input onto which a counter reaction of said regulated voltage is input; a follower stage connected to the output from said transconductance amplifier; a MOS type transistor that will be used to make the output stage of the regulation circuit with a source connected to a first power supply potential. The transconductance amplifier comprises a resistive load 360 with a profile in K/gm, where gm is the transconductance coefficient of said input differential pair, said resistive load being connected to said first power supply potential.