US3192137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing external, electrically conductive noble-metal layers on non-metallic, electrically non-conductive supports
Assignee: US Philips Corp
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Filing: 1960-07-11
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Granted: 1965-06-29
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Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Dippel Cornelis Johannes
- 👤 Jonker Hendrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:05
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/18; H05K3/181; H05K3/182; H05K3/185; G; G03; G03C; G03C1/00; G03C1/52; G03C1/62; G03C5/00; G03C5/58; H01; H01B; H01B1/00; H05K3/105; H05K3/106; Y; Y10; Y10S; Y10S430/00; Y10S430/137
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A METHOD OF MANUFACTURING EXTERNAL, ELECTRICALLY CONDUCTIVE NOBLE-METAL LAYERS ON NON-METALLIC, ELECTRICALLY NON-CONDUCTIVE, AT LEAST SUPERFICIALLY HYDROPHILIZED SUPPORTS, COMPRISING THE STEPS OF ACTIVATING THE SUPPORT SURFACE BY APPLYING TO THIS SURFACE AN AQUEOUS SOLUTION OF A COMPOUND CAPABLE OF LIBERATING MERCURY METAL FROM A MERCUROUS COMPOUND IN THE PRESENCE OF MOISTURE, SAID COMPOUND, CAPABLE OF LIBERATING MERCURY METAL BEING SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS THAT REDUCE MERCUROUS COMPOUNDS TO FORM FREE MERCURY METAL AND COMPOUNDS THAT FORM FREE MERCURY METAL FROM MERCUROUS COMPOUNDS BY A DISPROPORTIONATING REACTION, AND AN AQUEOUS SOLUTION OF A MERCUROUS COMPOUND AND A SILVER COMPOUND TO THEREBY FORM A BARELY VISIBLE SILVERAMALGAM LAYER ON SAID NON-METALLIC SUPPORT, AND THEN APPLYING TO THIS ACTIVATED SURFACE A SOLUTION OF A NOBLEMETAL COMPOUND, AND A REDUCING AGENT FOR THE NOBLEMETAL COMPOUND, WHEREBY A NOBLE METAL LAYER IS FORMED ON THE SUPPORT SURFACE.
Claim 2
Independent Claim
145 words
A METHOD OF MANUFACTURING EXTERNAL, ELECTRICALLY CONDUCTIVE NOBLE-METAL LAYERS ON NON-METALLIC, ELECTRICALLY NON-CONDUCTIVE, AT LEAST SUPERFICIALLY HYDROPHILIZED SUPPORTS, COMPRISING THE STEPS OF ACTIVATING THE SUPPORT SURFACE BY APPLYING TO THIS SURFACE AN AQUEOUS SOLUTION OF A COMPOUND CAPABLE OF LIBERATING MERCURY METAL FROM A MERCUROUS COMPOUND IN THE PRESENCE OF MOISTURE, SAID COMPOUND, CAPABLE OF LIBERATING MERCURY METAL BEING SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS THAT REDUCE MERCUROUS COMPOUNDS TO FORM FREE MERCURY METAL AND COMPOUNDS THAT FORM FREE MERCURY METAL FROM MERCUROUS COMPOUNDS BY A DISPROPORTIONATING REACTION, AND AN AQUEOUS SOLUTION OF A MERCUROUS COMPOUND AND A SILVER COMPOUND TO THEREBY FORM A BARELY VISIBLE SILVERAMALGAM LAYER ON SAID NON-METALLIC SUPPORT, AND THEN APPLYING TO THIS ACTIVATED SURFACE A SOLUTION OF A NOBLEMETAL COMPOUND, AND A REDUCING AGENT FOR THE NOBLEMETAL COMPOUND, WHEREBY A NOBLE METAL LAYER IS FORMED ON THE SUPPORT SURFACE.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |