Patents by Inventor Guido Chiaretti

Guido Chiaretti has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11251580
    Abstract: An integrated optical device, including: a semiconductor body delimited by a top surface; and at least one buried cavity, which extends in the semiconductor body, at a distance from the top surface, so as to delimit at the bottom a front semiconductor region, which functions as an optical guide.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: February 15, 2022
    Assignee: STMICROELECTRONICS S.R.L.
    Inventors: Flavio Francesco Villa, Guido Chiaretti, Gabriele Barlocchi
  • Patent number: 10895740
    Abstract: A projective MEMS device, including: a fixed supporting structure made at least in part of semiconductor material; and a number of projective modules. Each projective module includes an optical source, fixed to the fixed supporting structure, and a microelectromechanical actuator, which includes a mobile structure and varies the position of the mobile structure with respect to the fixed supporting structure. Each projective module further includes an initial optical fiber, which is mechanically coupled to the mobile structure and optically couples to the optical source according to the position of the mobile structure.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: January 19, 2021
    Assignee: STMICROELECTRONICS S.r.l.
    Inventors: Guido Chiaretti, Fabio Luigi Grilli, Roberto Carminati, Bruno Murari, Lorenzo Sarchi
  • Publication number: 20200136342
    Abstract: An integrated optical device, including: a semiconductor body delimited by a top surface; and at least one buried cavity, which extends in the semiconductor body, at a distance from the top surface, so as to delimit at the bottom a front semiconductor region, which functions as an optical guide.
    Type: Application
    Filed: October 30, 2019
    Publication date: April 30, 2020
    Inventors: Flavio Francesco VILLA, Guido CHIARETTI, Gabriele BARLOCCHI
  • Patent number: 10557753
    Abstract: A spectrometer includes a substrate; a plurality of light detectors in the substrate; and a plurality of light filters over the plurality of light detectors, each of the plurality of light filters transmitting a different wavelength or reflecting a different wavelength, each of the light filters aligned with a corresponding one of the plurality of light detectors.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: February 11, 2020
    Assignee: STMICROELECTRONICS S.R.L.
    Inventors: Sara Loi, Alberto Pagani, Guido Chiaretti
  • Publication number: 20190301930
    Abstract: A spectrometer includes a substrate; a plurality of light detectors in the substrate; and a plurality of light filters over the plurality of light detectors, each of the plurality of light filters transmitting a different wavelength or reflecting a different wavelength, each of the light filters aligned with a corresponding one of the plurality of light detectors.
    Type: Application
    Filed: March 28, 2018
    Publication date: October 3, 2019
    Inventors: Sara Loi, Alberto Pagani, Guido Chiaretti
  • Publication number: 20180292645
    Abstract: A projective MEMS device, including: a fixed supporting structure made at least in part of semiconductor material; and a number of projective modules. Each projective module includes an optical source, fixed to the fixed supporting structure, and a microelectromechanical actuator, which includes a mobile structure and varies the position of the mobile structure with respect to the fixed supporting structure. Each projective module further includes an initial optical fiber, which is mechanically coupled to the mobile structure and optically couples to the optical source according to the position of the mobile structure.
    Type: Application
    Filed: June 13, 2018
    Publication date: October 11, 2018
    Inventors: Guido CHIARETTI, Fabio Luigi GRILLI, Roberto CARMINATI, Bruno MURARI, Lorenzo SARCHI
  • Patent number: 10018835
    Abstract: A projective MEMS device, including: a fixed supporting structure made at least in part of semiconductor material; and a number of projective modules. Each projective module includes an optical source, fixed to the fixed supporting structure, and a microelectromechanical actuator, which includes a mobile structure and varies the position of the mobile structure with respect to the fixed supporting structure. Each projective module further includes an initial optical fiber, which is mechanically coupled to the mobile structure and optically couples to the optical source according to the position of the mobile structure.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: July 10, 2018
    Assignee: STMICROELECTRONICS S.R.L.
    Inventors: Guido Chiaretti, Fabio Luigi Grilli, Roberto Carminati, Bruno Murari, Lorenzo Sarchi
  • Publication number: 20170269355
    Abstract: A projective MEMS device, including: a fixed supporting structure made at least in part of semiconductor material; and a number of projective modules. Each projective module includes an optical source, fixed to the fixed supporting structure, and a microelectromechanical actuator, which includes a mobile structure and varies the position of the mobile structure with respect to the fixed supporting structure. Each projective module further includes an initial optical fiber, which is mechanically coupled to the mobile structure and optically couples to the optical source according to the position of the mobile structure.
    Type: Application
    Filed: September 29, 2016
    Publication date: September 21, 2017
    Inventors: Guido Chiaretti, Fabio Luigi Grilli, Roberto Carminati, Bruno Murari, Lorenzo Sarchi
  • Patent number: 9256027
    Abstract: An integrated electronic device, delimited by a first surface and by a second surface and including: a body made of semiconductor material, formed inside which is at least one optoelectronic component chosen between a detector and an emitter; and an optical path which is at least in part of a guided type and extends between the first surface and the second surface, the optical path traversing the body. The optoelectronic component is optically coupled, through the optical path, to a first portion of free space and a second portion of free space, which are arranged, respectively, above and underneath the first and second surfaces.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: February 9, 2016
    Assignee: STMicroelectronics S.r.l.
    Inventors: Alberto Pagani, Alessandro Motta, Sara Loi, Guido Chiaretti
  • Publication number: 20140112617
    Abstract: An integrated electronic device, delimited by a first surface and by a second surface and including: a body made of semiconductor material, formed inside which is at least one optoelectronic component chosen between a detector and an emitter; and an optical path which is at least in part of a guided type and extends between the first surface and the second surface, the optical path traversing the body. The optoelectronic component is optically coupled, through the optical path, to a first portion of free space and a second portion of free space, which are arranged, respectively, above and underneath the first and second surfaces.
    Type: Application
    Filed: December 31, 2013
    Publication date: April 24, 2014
    Applicant: STMICROELECTRONICS S.R.L.
    Inventors: Alberto PAGANI, Alessando MOTTA, Sara LOI, Guido CHIARETTI
  • Patent number: 7676120
    Abstract: A phase shift device of an optical fiber signal includes an actuator for changing the signal phase in at least one fiber portion by inducing the phase change by thermo-optical effect. An antenna system incorporating phase shift devices using the thermo-optical effect find particular utility in automotive and telecommunications fields.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: March 9, 2010
    Assignee: STMicroelectronics s.r.l.
    Inventors: Guido Chiaretti, Antonio Fincato
  • Patent number: 7580592
    Abstract: A phase shift device of an optical fiber signal includes an actuator for changing the signal phase in at least one fiber portion by inducing the phase change by thermo-optical effect. An antenna system incorporating phase shift devices using the thermo-optical effect find particular utility in automotive and telecommunications fields.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: August 25, 2009
    Assignee: STMicroelectronics S.R.L.
    Inventors: Guido Chiaretti, Antonio Fincato
  • Publication number: 20090179798
    Abstract: A phase shift device of an optical fiber signal includes an actuator for changing the signal phase in at least one fiber portion by inducing the phase change by thermo-optical effect. An antenna system incorporating phase shift devices using the thermo-optical effect find particular utility in automotive and telecommunications fields.
    Type: Application
    Filed: February 17, 2009
    Publication date: July 16, 2009
    Applicant: STMICROELECTRONICS S.R.L
    Inventors: Guido CHIARETTI, Antonio Fincato
  • Patent number: 7482633
    Abstract: A multi-source optical transmitter includes a substrate of semiconductor material and a plurality of semiconductor optical sources suitable to provide optical signals having respective wavelengths defining base colors for the formation of colored images in said visualization device. The sources are arranged according to a matrix pattern on one face of the substrate.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: January 27, 2009
    Assignee: STMicroelectronics S.r.l.
    Inventor: Guido Chiaretti
  • Patent number: 7454091
    Abstract: Integrated optical network comprising: an array of optical waveguides having respective output ends defining a array of radiating elements, wherein said guides receive respective optical input signals and output said optical signals from said radiating elements to form an optical beam; and actuator means to introduce in said array of guides relative phase differences between said optical signals in order to deflect the optical beam formed; characterized in that the actuator means include at least one actuator track comprising a plurality of track sections substantially aligned with respective optical guides, said sections being fed by a common control signal to locally modify refractive indexes of the respective optical guides in order to introduce said phase differences.
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: November 18, 2008
    Assignee: STMicroelectronics, S.r.l.
    Inventors: Guido Chiaretti, Antonio Fincato
  • Patent number: 7313302
    Abstract: An optical radiation coupling module includes a waveguide for the propagation of optical radiation, an optoelectronic device arranged on a substrate, and a mechanism for coupling the radiation between the waveguide and the optoelectronic device. The coupling mechanism includes a guiding element moulded and tapered in a radiation propagation direction.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: December 25, 2007
    Assignee: STMicroelectronics S.R.L.
    Inventors: Antonio Fincato, Daniela Barge, Guido Chiaretti
  • Patent number: 7192200
    Abstract: The optical communication module can be coupled to at least one optical fiber and includes at least one optoelectronic device, a base portion, and a cover portion which can be connected to the base portion to define an internal chamber to house the optoelectronic device. The cover portion includes at least one window to couple at least one optical signal between the at least one device and the optical fiber. The module further includes a plate, substantially transparent to the optical signal, having a first side facing the cover portion and a second side facing the internal chamber, the first plate substantially enabling sealing of the window. A shielding plate can be connected to the second side and provided with at least one opening substantially aligned with the window to enable passage of the optical signal.
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: March 20, 2007
    Assignee: STMicroelectronics S.r.l.
    Inventors: Paolo Casati, Guido Chiaretti
  • Publication number: 20060263015
    Abstract: An optical radiation coupling module includes a waveguide for the propagation of optical radiation, an optoelectronic device arranged on a substrate, and a mechanism for coupling the radiation between the waveguide and the optoelectronic device. The coupling mechanism includes a guiding element moulded and tapered in a radiation propagation direction.
    Type: Application
    Filed: May 12, 2006
    Publication date: November 23, 2006
    Inventors: Antonio Fincato, Daniela Barge, Guido Chiaretti
  • Publication number: 20060198565
    Abstract: A phase shift device of an optical fiber signal includes an actuator for changing the signal phase in at least one fiber portion by inducing the phase change by thermo-optical effect. An antenna system incorporating phase shift devices using the thermo-optical effect find particular utility in automotive and telecommunications fields.
    Type: Application
    Filed: February 21, 2006
    Publication date: September 7, 2006
    Inventors: Guido Chiaretti, Antonio Fincato
  • Publication number: 20060139915
    Abstract: A multi-source optical transmitter includes a substrate of semiconductor material and a plurality of semiconductor optical sources suitable to provide optical signals having respective wavelengths defining base colors for the formation of colored images in said visualization device. The sources are arranged according to a matrix pattern on one face of the substrate.
    Type: Application
    Filed: December 19, 2005
    Publication date: June 29, 2006
    Inventor: Guido Chiaretti