Patents by Inventor Andre Pierrot

Andre Pierrot 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).

  • Multilayer magnetic transducer and structure having a high magnetoresistance and process for the production of the structure
    Patent number: 6165329
    Abstract: Multilayer magnetic transducer and structure and process for the production of the structure. The magnetic structure only has one stack of layers of a magnetic material separated by layers of a non-magnetic metallic material having a thickness such that there is an anti-ferromagnetic coupling between the magnetic layers, the magnetic material being chosen from among the alloys FeNi, FeNiCo, and NiCo and the non-magnetic material is silver.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: December 26, 2000
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Bernard Rodmacq, Andre Pierrot, Philippe Gerard, Jean Mouchot