Brazing gold alloy and thermoelectric device produced therewith

• US 3,210,216 A
• Filed: 02/09/1962
• Issued: 10/05/1965
• Est. Priority Date: 02/09/1962
• Status: Expired due to Term

• Current Assignee: William Feduska
• Original Assignee: William Feduska
• Inventors: WILLIAM FEDUSKA
• Application Number:
  US04/172,122
• Time in Patent Office: 1,334 Days
• US Class Current: 136/237
• CPC Class Codes: B23K 35/3013 Au as the principal constituent
• CPC Class Codes: C22C 5/00 Alloys based on noble metals
• CPC Class Codes: H10N 10/817 the junction being non-separable, e.g. being cemented, sintered or soldered

Claims

1. A BRAZING ALLOY CONSISTING OF BY WEIGHT FROM ABOUT 0.2% TO 1% TIN, FROM 10% TO 12.7% ZINC AND THE BALANCE BEING GOLD WITH SMALL AMOUNTS OF INCIDENTAL IMPURITIES.

5. A THERMOELECTRIC DEVICE COMPRISING AT LEAST ONE "N" LEG CONSISTING OF LEAD TELLURIDE AND AT LEAST ONE "P" LEG CONSISTING OF GERMANIUM BISMUTH TELLURIDE, THE ENDS OF "N" LEG HAVING A METALLIC DIFFUSION BARRIER LAYER OF AT LEAST 2 MILS THICKNESS, THE "P" AND "N" LEGS BEING CONNECTED AT ONE END BY AN ELECTRICAL AND THERMAL CONDUCTOR COMPRISING AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, NICKEL AND MOLYBDENUM, THE LEGS BEING JOINED TO SAID CONDUCTOR AT A TEMPERATURE OF FROM 625*C. TO 685*C., THE "N" LEG BEING JOINED BY A BRAZING ALLOY CONSISTING OF BY WEIGHT FROM ABOUT 0.2% TO 1% TIN, FROM 10% TO 12% ZINC AND THE BALANCE BEING GOLD WITH SMALL AMOUNTS OF INCIDENTAL IMPURITIES.