Patent US2696086A successfully refreshed from Google Patents.
Patent US3269861A successfully refreshed from Google Patents.
US3269861A
Expired / Lapsed
US
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Method for electroless copper plating
Assignee: Day Co
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Filing: 1963-06-21
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Granted: 1966-08-30
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Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick W Schneble
- 👤 Zeblisky Rudolph John
- 👤 Mccormack John Francis
- 👤 Williamson John Duff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:11
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/18; H05K3/181; H05K3/187; C; C07; C07F; C07F1/00; C07F1/005; C23; C23C; C23C18/00; C23C18/16; C23C18/1601; C23C18/1603; C23C18/1605; C23C18/31; C23C18/38; C23C18/40; C23C18/405; H05K3/108; H05K3/40; H05K3/42; H05K3/422; H05K3/425; H05K3/427; H05K3/428; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0344; H05K2201/0347; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/09581; H05K2203/00; H05K2203/05; H05K2203/0562; H05K2203/0565; H05K2203/07; H05K2203/0703; H05K2203/072; H05K2203/13; H05K2203/1377; H05K2203/1383; H05K2203/14; H05K2203/1423; H05K3/0094; H05K3/02; H05K3/06; H05K3/061; H05K3/064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A METHOD OF MAKING CONDUCTIVE PASSAGEWAYS IN AN INSULATING MEMBER WHICH COMPRISES PROVIDING APERTURES IN THE MEMBER; SENSITIZING THE LATERAL WALLS OF THE MEMBER SURROUNDING THE APERATURES TO THE RECEPTION OF ELECTROLESSLY DEPOSITED COPPER; AND ELECTROLESSLY DEPOSITING COPPER ON THE LATERAL WALLS SURROUNDING THE APERTURES BY IMMERSION IN AN ELECTROLESS COPPER PLATING BATH CONSISTING ESSENTIALLY OF: WATER; A WATER SOLUBLE COPPER SALT, FROM ABOUT 0.002 TO 0.15 MOLE PER LITER; A COPPER COMPLEXING AGENT FOR CUPRIC ION, FROM ABOUT 0.5 TO 2.5 TIMES THE MOLES OF COPPER SALT, AN ALKALI METAL HYDROXIDE, SUFFICIENT TO GIVE A PH OF BETWEEN ABOUT 10.5 TO 14; FORMALDEHYDE, FROM ABOUT 0.06 TO 3.4 MOLE PER LITER; AND A COMPLEXING AGENT FOR CUPROUS ION FROM ABOUT 0.00002 TO 0.06 MOLE PER LITER.
Claim 2
Independent Claim
127 words
A METHOD OF MAKING CONDUCTIVE PASSAGEWAYS IN AN INSULATING MEMBER WHICH COMPRISES PROVIDING APERTURES IN THE MEMBER; SENSITIZING THE LATERAL WALLS OF THE MEMBER SURROUNDING THE APERATURES TO THE RECEPTION OF ELECTROLESSLY DEPOSITED COPPER; AND ELECTROLESSLY DEPOSITING COPPER ON THE LATERAL WALLS SURROUNDING THE APERTURES BY IMMERSION IN AN ELECTROLESS COPPER PLATING BATH CONSISTING ESSENTIALLY OF: WATER; A WATER SOLUBLE COPPER SALT, FROM ABOUT 0.002 TO 0.15 MOLE PER LITER; A COPPER COMPLEXING AGENT FOR CUPRIC ION, FROM ABOUT 0.5 TO 2.5 TIMES THE MOLES OF COPPER SALT, AN ALKALI METAL HYDROXIDE, SUFFICIENT TO GIVE A PH OF BETWEEN ABOUT 10.5 TO 14; FORMALDEHYDE, FROM ABOUT 0.06 TO 3.4 MOLE PER LITER; AND A COMPLEXING AGENT FOR CUPROUS ION FROM ABOUT 0.00002 TO 0.06 MOLE PER LITER.
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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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |