Patents by Inventor Joseph Lawrence Schmit

Joseph Lawrence Schmit 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).

  • Doping mercury cadmium telluride with aluminum or silicon
    Patent number: 4089714
    Abstract: A method of adjusting the donor concentration in a body of mercury cadmium telluride, or in regions of a body, comprising the steps of contacting the donor material region with a donor material of either aluminum or silicon and heating the body at a temperature of at least 550.degree. C for sufficient time to diffuse the donor material into the body. In a preferred embodiment, the heating is done in the presence of a source of mercury vapor pressure other than the body of semiconductor.
    Type: Grant
    Filed: January 6, 1977
    Date of Patent: May 16, 1978
    Assignee: Honeywell Inc.
    Inventors: Eric Shanks Johnson, Joseph Lawrence Schmit
  • Halogen-doped Hg,Cd,Te
    Patent number: 4086106
    Abstract: Mercury cadmium telluride is disclosed having a quantity of a halogen donor material preferably selected from the group consisting of bromine and iodine dispersed therein in an amount sufficient to measurably increase the donor concentration. Also disclosed are PN junctions formed using this donor material. A method of introducing the donor material is additionally disclosed.
    Type: Grant
    Filed: January 6, 1977
    Date of Patent: April 25, 1978
    Assignee: Honeywell Inc.
    Inventors: Eric Shanks Johnson, Joseph Lawrence Schmit