Patents by Inventor Jacques Bonnafe

Jacques Bonnafe 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).

  • Near field sensor with cantilever and tip containing optical path for an evanescent wave
    Patent number: 5770856
    Abstract: The disclosed optical device includes a probe which is integrally supported on a cantilever which defines an optical path extending to an external device which may carry an optical processor.In a preferred embodiment the device has an optical path which is capable of guiding an evanescent wave to the external device. The device overcomes a problem with prior art Scanning Tunnelling Microscopes in that, by utilizing evanescent waves, it enables access to the so called mesoscopic range between approximately 1.times.10.sup.-10 m.rarw.50.times.10.sup.-10 m (1.ANG.-50.ANG.). In an alternative embodiment the invention permits manipulation of microscopic particles by utilising the probe. The probe may also act as a sensor.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: June 23, 1998
    Assignee: British Technology Group Ltd
    Inventors: Jean Pierre Fillard, Michel Castagne, Jacques Bonnafe