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US3209436A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of fusing a contact onto a semi-conductive body

Assignee: US Philips Corp
•
Filing: 1961-06-07
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Granted: 1965-10-05
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Expires: 1981-06-07
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Abstract

No abstract record available.

Inventors

  • 👤 Kramp Carl Heinrich
  • 👤 Horst W Kutschera

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:12
CPC Classifications
H; H10; H10P; H10P95/00; H10P95/50; Y; Y10; Y10S; Y10S228/00; Y10S228/903

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 110 words
A METHOD OF ALLOYING AN ELECTRODE CONTACT TO A SEMICONDUCTIVE BODY, COMPRISING THE STEPS OF PROVIDING THE BODY AND A PELLET OF CONTACT MATERIAL BOTH IN SOLID FORM IN COMMUNICATING SPACED APERTURES OF HOLDING JIG COMPRISED OF MEMBERS MAINTAINED IN FIXED SPATIAL RELATIONSHIP, WHICH APERTURES ARE CONNECTED BY WAY OF A MATERIALCARRYING DUCT, HEATING THE JIG WITH THE BODY AND PELLET TO MELT THE PELLET AND HEAT THE BODY WHILE SEPARATED IN A PROTECTIVE ATMOSPHERE WHICH CLENS THEIR SURFACES, AND THEREAFTER TILTING THE ENTIRE JIG WITHOUT DISTURBING THE FIXED SPATIAL RELATION OF ITS MEMBERS CAUSING THE MOLTEN PELLET MATERIAL TO FLOW VIA THE DUCT ONTO AND ALLOY TO THE BODY.
Claim 2
Independent Claim 110 words
A METHOD OF ALLOYING AN ELECTRODE CONTACT TO A SEMICONDUCTIVE BODY, COMPRISING THE STEPS OF PROVIDING THE BODY AND A PELLET OF CONTACT MATERIAL BOTH IN SOLID FORM IN COMMUNICATING SPACED APERTURES OF HOLDING JIG COMPRISED OF MEMBERS MAINTAINED IN FIXED SPATIAL RELATIONSHIP, WHICH APERTURES ARE CONNECTED BY WAY OF A MATERIALCARRYING DUCT, HEATING THE JIG WITH THE BODY AND PELLET TO MELT THE PELLET AND HEAT THE BODY WHILE SEPARATED IN A PROTECTIVE ATMOSPHERE WHICH CLENS THEIR SURFACES, AND THEREAFTER TILTING THE ENTIRE JIG WITHOUT DISTURBING THE FIXED SPATIAL RELATION OF ITS MEMBERS CAUSING THE MOLTEN PELLET MATERIAL TO FLOW VIA THE DUCT ONTO AND ALLOY TO THE BODY.

References Cited (Backward Citations)

DE482041C Cited
US1574598A Cited
US2648167A Cited
US2756483A Cited
US2857296A Cited
US2881103A Cited
US2862840A Cited
US2897555A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-04 1969-04-05 1969-10-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-04 1973-04-05 1973-10-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-04 1977-04-05 1977-10-05 $7700.00 Window Closed / Lapsed

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