US3136032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing semiconductor devices
Assignee: US Philips Corp
•
Filing: 1962-01-25
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Granted: 1964-06-09
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Expires: 1982-01-25
Abstract
No abstract record available.
Inventors
- 👤 Berndse Alphousius Fr Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:34
CPC Classifications
H; H10; H10P; H10P95/00; H10W; H10W72/00; H10W72/01; H10W72/012; H10W72/071; H10W72/075; H10W72/20; H10W72/072; H10W72/07231; H10W72/07236; H10W72/251; H10W72/50; H10W72/521; H10W72/522; H10W72/551; H10W72/552; H10W72/5525; H10W72/555; H10W72/851; H10W72/874; H10W72/884; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A METHOD OF ATTACHING AN ELECTRICALLY CONDUCTIVE LEAD TO A FUSED METAL CONTACT ON A SEMICONDUCTIVE BODY, COMPRISING THE STEPS OF PROVIDING A SOLDER-CLAD WIRE CORE AS THE CONDUCTIVE LEAD, THE MELTING POINT OF SAID SOLDER CLADDING BEING LOWER THAN THAT OF THE WIRE CORE AND THAT OF THE METAL CONTACT, SUPPORTING BY HOLDING MEANS THE CLAD WIRE IN CONTACT WITH THE METAL CONTACT, PASSING A PULSE OF CURRENT THROUGH THE CLAD WIRE AND THE CONTACT TO WELD THE CLAD WIRE TO THE CONTACT WITHOUT MELTING THE SOLDER CLADDING, THEREAFTER REMOVING THE HOLDING MEANS, THEREAFTER HEATING THE PORTION OF THE CLAD WIRE ADJACENT THE CONTACT AT A TEMPERATURE ABOVE THE MELTING POINT OF THE SOLDER CLADDING BUT BELOW THE MELTING POINTS OF THE CONTACT AND WIRE CORE TO MELT AT LEAST A PORTION OF THE CLADDING AND FORM A SOLDERED JOINT OF THE WIRE CORE TO THE METAL CONTACT.
Claim 2
Independent Claim
149 words
A METHOD OF ATTACHING AN ELECTRICALLY CONDUCTIVE LEAD TO A FUSED METAL CONTACT ON A SEMICONDUCTIVE BODY, COMPRISING THE STEPS OF PROVIDING A SOLDER-CLAD WIRE CORE AS THE CONDUCTIVE LEAD, THE MELTING POINT OF SAID SOLDER CLADDING BEING LOWER THAN THAT OF THE WIRE CORE AND THAT OF THE METAL CONTACT, SUPPORTING BY HOLDING MEANS THE CLAD WIRE IN CONTACT WITH THE METAL CONTACT, PASSING A PULSE OF CURRENT THROUGH THE CLAD WIRE AND THE CONTACT TO WELD THE CLAD WIRE TO THE CONTACT WITHOUT MELTING THE SOLDER CLADDING, THEREAFTER REMOVING THE HOLDING MEANS, THEREAFTER HEATING THE PORTION OF THE CLAD WIRE ADJACENT THE CONTACT AT A TEMPERATURE ABOVE THE MELTING POINT OF THE SOLDER CLADDING BUT BELOW THE MELTING POINTS OF THE CONTACT AND WIRE CORE TO MELT AT LEAST A PORTION OF THE CLADDING AND FORM A SOLDERED JOINT OF THE WIRE CORE TO THE METAL CONTACT.
References Cited (Backward Citations)
US2877396A
Cited
US2870052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |