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US3187426A
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Method of making printed circuit assemblies
Assignee: Unisys Corp
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Filing: 1962-03-19
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Granted: 1965-06-08
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Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Le Roy A Prohofsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:29
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/36; H05K3/368; H01; H01R; H01R12/00; H01R12/50; H01R12/51; H01R12/52; H01R12/523; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0364; H05K2201/0373; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/09536; H05K2201/096; H05K2201/10; H05K2201/10227; H05K2201/10287; H05K2201/10295; H05K2201/10303; H05K3/30; H05K3/32; H05K3/34; H05K3/3447; H05K3/3465; H05K3/3468; H05K3/46; H05K3/4611; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
THE METHOD OF JOINING BY SOLDERING A PLURALITY OF APERTURED ELECTRICALLY INSULATING SOLDER REPELLENT PANELS HAVING AN ELECTRICALLY CONDUCTIVE STRIP ON AT LEAST ONE SIDE THEREOF, WHICH METHOD COMPRISES THE STEPS OF; DISPOSING SOLDERABLE MATERIAL WITHIN THE APERTURES ON THE WALLS THEREOF SUCH THAT AT ONE END APERTURE A CIRCUMFERENTIAL PORTION OF THE INSULATING PANEL IS COMPLETELY EXPOSED; SUPERIMPOSING THE PANELS SUCH THAT THE APERTURES OF ONE PANEL ARE ALIGNED WITH THE APERTURES IN THE NEXT ADJACENT PANEL SO AS TO FORM A SERIES OF ALIGNED APERTURES; SECURING THE PANELS IN FIXED RELATIONSHIP; DISPOSING AN ELONGATED SOLDERABLE MEMBER THROUGH AT LEAST ONE SERIES OF APERTURES; IMMERSING THE SECURED PANELS AND THE SOLDERABLE MEMBER INTO A MOLTEN BATH OF SOLDER TO A DEPTH SUCH THAT THE SOLDER IN THE BATH AND THE TOP OF THE SECURED PANELS ARE SUBSTANTIALLY AT THE SAME LEVEL FOR CAUSING SOLDER TO ASCEND ANY SPACE BETWEEN THE MEMBER AND THE SOLDERABLE MATERIAL ON THE APERTURE WALLS FOR FORMING A SOLDER JOINT BETWEEN THE MEMBER AND THE MATERIAL.
Claim 2
Independent Claim
171 words
THE METHOD OF JOINING BY SOLDERING A PLURALITY OF APERTURED ELECTRICALLY INSULATING SOLDER REPELLENT PANELS HAVING AN ELECTRICALLY CONDUCTIVE STRIP ON AT LEAST ONE SIDE THEREOF, WHICH METHOD COMPRISES THE STEPS OF; DISPOSING SOLDERABLE MATERIAL WITHIN THE APERTURES ON THE WALLS THEREOF SUCH THAT AT ONE END APERTURE A CIRCUMFERENTIAL PORTION OF THE INSULATING PANEL IS COMPLETELY EXPOSED; SUPERIMPOSING THE PANELS SUCH THAT THE APERTURES OF ONE PANEL ARE ALIGNED WITH THE APERTURES IN THE NEXT ADJACENT PANEL SO AS TO FORM A SERIES OF ALIGNED APERTURES; SECURING THE PANELS IN FIXED RELATIONSHIP; DISPOSING AN ELONGATED SOLDERABLE MEMBER THROUGH AT LEAST ONE SERIES OF APERTURES; IMMERSING THE SECURED PANELS AND THE SOLDERABLE MEMBER INTO A MOLTEN BATH OF SOLDER TO A DEPTH SUCH THAT THE SOLDER IN THE BATH AND THE TOP OF THE SECURED PANELS ARE SUBSTANTIALLY AT THE SAME LEVEL FOR CAUSING SOLDER TO ASCEND ANY SPACE BETWEEN THE MEMBER AND THE SOLDERABLE MATERIAL ON THE APERTURE WALLS FOR FORMING A SOLDER JOINT BETWEEN THE MEMBER AND THE MATERIAL.
References Cited (Backward Citations)
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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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |