Patent US3209436A successfully refreshed from Google Patents.
US3209436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fusing a contact onto a semi-conductive body
Assignee: US Philips Corp
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Filing: 1961-06-07
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Granted: 1965-10-05
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Expires: 1981-06-07
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 14:12
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)
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US2648167A
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US2756483A
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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 |