Patents by Inventor Jochen Heimen

Jochen Heimen 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).

  • Method of producing luminescent or laser diodes having an internally limited luminescent surface
    Patent number: 4404730
    Abstract: A luminescent or laser diode having a pn-junction surrounding an internally limited luminescent surface area and limiting current flow in the diode is produced by etching a select semiconductor substrate so as to produce a mesa dimensioned accordingly to the required luminescent surface area and without interruption epitaxially depositing and structuring required individual semiconductor material layers on the surfaces of the substrate and mesa to achieve the diode.
    Type: Grant
    Filed: February 16, 1982
    Date of Patent: September 20, 1983
    Assignee: Siemens Aktiengesellschaft
    Inventor: Jochen Heimen