Patent US3279039A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3279039A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing semiconductor mounts

Assignee: Luvata Ohio Inc
•
Filing: 1963-09-23
•
Granted: 1966-10-18
•
Expires: 1983-09-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Paul W Nippert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 03:14
CPC Classifications
H; H10; H10W; H10W72/00; H10W72/30; C; C22; C22C; C22C9/00; C22F; C22F1/00; C22F1/02; C22F1/08; C22F1/10; H01; H01B; H01B1/00; H01B1/02; H01B1/026; H10W70/00; H10W70/01; H10W70/02; H10W72/20; H10W72/071; H10W72/073; H10W72/07331; H10W72/07336

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 117 words
THE STEPS IN THE METHOD OF FORMING AN ANNEALED ELECTRICAL CONDUCTOR ASSEMBLY INCLUDING AN ALLOY OF ZIRCONIUM COPPER AND A METAL ELEMENT BRAZED THEREON AND WHICH ALLOY IS PARTIALLY AGED DURING THE COOLING PERIOD AFTER ANNEALING AND WHICH IS ADAPTED TO BE COLD WORKED AND THEREBY WORK HARDENED WITHOUT THE ADDITIONAL STEP OF QUENCHING OR AGE HARDENING, WHICH STEPS CONSIST IN FORMING A WORK PIECE FROM AN ALLOY OF ABOUT .01 TO ABOUT .15 PERCENT ZIRCONIUM AND THE BALANCE REFINED COPPER HAVING AN ELECTRICAL CONDUCITIVY EQUAL TO THAT OF ELECTROLYTICALLY REFINED COPPER; POSITIONING A BLANK OF FUSIBLE BRAZING MATERIAL ON SAID WORK PIECE; POSITIONING A METAL ELEMENT ON SAID BLANK OF FUSING MATERIAL TO FORM A CONDUCTOR
Claim 2
Dependent Claim 117 words
THE STEPS IN THE METHOD OF FORMING AN ANNEALED ELECTRICAL CONDUCTOR ASSEMBLY INCLUDING AN ALLOY OF ZIRCONIUM COPPER AND A METAL ELEMENT BRAZED THEREON AND WHICH ALLOY IS PARTIALLY AGED DURING THE COOLING PERIOD AFTER ANNEALING AND WHICH IS ADAPTED TO BE COLD WORKED AND THEREBY WORK HARDENED WITHOUT THE ADDITIONAL STEP OF QUENCHING OR AGE HARDENING, WHICH STEPS CONSIST IN FORMING A WORK PIECE FROM AN ALLOY OF ABOUT .01 TO ABOUT .15 PERCENT ZIRCONIUM AND THE BALANCE REFINED COPPER HAVING AN ELECTRICAL CONDUCITIVY EQUAL TO THAT OF ELECTROLYTICALLY REFINED COPPER; POSITIONING A BLANK OF FUSIBLE BRAZING MATERIAL ON SAID WORK PIECE; POSITIONING A METAL ELEMENT ON SAID BLANK OF FUSING MATERIAL TO FORM A CONDUCTOR

References Cited (Backward Citations)

US2117106A Cited
US2145792A Cited
US2637672A Cited
US2984474A Cited
US2879191A Cited
US3199000A Cited
US3130250A Cited
US3197843A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-17 1970-04-18 1970-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-17 1974-04-18 1974-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-17 1978-04-18 1978-10-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag