Patent US3357099A successfully refreshed from Google Patents.
US3357099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Providing plated through-hole connections with the plating resist extending to the hole edges
Assignee: North American Aviation Corp
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Filing: 1962-10-29
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Granted: 1967-12-12
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Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Richard A Nagy
- 👤 Joe C Mericle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:51
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/40; H05K3/42; H05K3/423; H05K3/425; H05K3/427; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/09545; H05K2203/00; H05K2203/14; H05K2203/1415; H05K3/02; H05K3/06; H05K3/061; H05K3/062; H05K3/10; H05K3/108; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49165; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A PROCESS FOR MANUFACTURING AN ELECTRICAL PATTERN ON A SUBSTRATE COMPRISING DRILLING HOLES THROUGH A METAL CLAD INSULATIVE SUBSTRATE ACCORDING TO A SELECTED PATTERN, RESIST PRINTING A CIRCUIT PATTERN ON SAID METAL CLADDING, SAID CIRCUIT PATTERN DEFINING THE CIRCUIT LINES TO BE PLATED AND BEING DEFINED BY SAID RESIST PRINTING EXTENDING TO THE OUTER EDGES OF SAID DRILLED HOLES, ELECTROLESS DEPOSITION OF A METAL FILM ON THE INNER CIRCUMFERENCE OF SAID HOLES, FIRST ELECTROPLATING WITH A LOW THROWING POWER SOLUTION SAID CIRCUIT LINES TO BE PLATED, SAID INNER CIRCUMFERENCE OF SAID HOLES HAVING AN ELECTRODEPOSITED METAL FILM ON THE INNER CIRCUMFERENCES THEREOF, AND THE EDGES OF SAID HOLES TO BE PLATED, THEREBY FORMING CONCENTRIC TERMINAL AREAS ELECTRICALLY CONNECTING SAID PLATED LINES AND SAID PLATED HOLE INNER CIRCUMFERENCES, SECOND ELECTROPLATING ON TOP OF SAID FIRST ELECTROPLATING, AND
Claim 2
Dependent Claim
136 words
A PROCESS FOR MANUFACTURING AN ELECTRICAL PATTERN ON A SUBSTRATE COMPRISING DRILLING HOLES THROUGH A METAL CLAD INSULATIVE SUBSTRATE ACCORDING TO A SELECTED PATTERN, RESIST PRINTING A CIRCUIT PATTERN ON SAID METAL CLADDING, SAID CIRCUIT PATTERN DEFINING THE CIRCUIT LINES TO BE PLATED AND BEING DEFINED BY SAID RESIST PRINTING EXTENDING TO THE OUTER EDGES OF SAID DRILLED HOLES, ELECTROLESS DEPOSITION OF A METAL FILM ON THE INNER CIRCUMFERENCE OF SAID HOLES, FIRST ELECTROPLATING WITH A LOW THROWING POWER SOLUTION SAID CIRCUIT LINES TO BE PLATED, SAID INNER CIRCUMFERENCE OF SAID HOLES HAVING AN ELECTRODEPOSITED METAL FILM ON THE INNER CIRCUMFERENCES THEREOF, AND THE EDGES OF SAID HOLES TO BE PLATED, THEREBY FORMING CONCENTRIC TERMINAL AREAS ELECTRICALLY CONNECTING SAID PLATED LINES AND SAID PLATED HOLE INNER CIRCUMFERENCES, SECOND ELECTROPLATING ON TOP OF SAID FIRST ELECTROPLATING, AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |