US3158503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallizing holes
Assignee: YOUNG RES LAB Ltd
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Filing: 1962-05-11
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Granted: 1964-11-24
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Expires: 1982-05-11
Abstract
No abstract record available.
Inventors
- 👤 Young Lawrence John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:19
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/40; H05K3/4038; H05K3/4053; H05K2201/00; H05K2201/09; H05K2201/09818; H05K2201/09981; H05K2203/00; H05K2203/03; H05K2203/0338; H05K2203/08; H05K2203/081; Y; Y10; Y10S; Y10S285/00; Y10S285/913; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A METHOD OF PRODUCING A METALLIZED HOLE THROUGH A BOARD, SUCH AS A PRINTED CIRCUIT BOARD, WHICH METHOD COMPRISES ALIGNING A HOLE OF A FIRST BOARD WITH THE HOLE WHICH IS TO BE METALLIZED OF A SECOND BOARD, INTRODUCING INTO THE HOLE OF THE FIRST BOARD A FLEXIBLE METALLIC PASTE AND THEREAFTER TRANSFERRING THE PASTE FROM THE HOLE OF THE FIRST BOARD BY DIRECTING A JET OF A GASEOUS MEDIUM UNDER PRESSURE TO THE HOLE OF THE FIRST BOARD TO BLOW THE METALLIC PASTE OUT FROM SAID HOLE OF THE FIRST BOARD TO PASS INTO THE HOLE OF THE SECOND BOARD THEREBY COATING AT LEAST A SUBSTANTIAL PORTION OF THE WALL OF THE HOLE OF THE SECOND BOARD.
Claim 2
Independent Claim
118 words
A METHOD OF PRODUCING A METALLIZED HOLE THROUGH A BOARD, SUCH AS A PRINTED CIRCUIT BOARD, WHICH METHOD COMPRISES ALIGNING A HOLE OF A FIRST BOARD WITH THE HOLE WHICH IS TO BE METALLIZED OF A SECOND BOARD, INTRODUCING INTO THE HOLE OF THE FIRST BOARD A FLEXIBLE METALLIC PASTE AND THEREAFTER TRANSFERRING THE PASTE FROM THE HOLE OF THE FIRST BOARD BY DIRECTING A JET OF A GASEOUS MEDIUM UNDER PRESSURE TO THE HOLE OF THE FIRST BOARD TO BLOW THE METALLIC PASTE OUT FROM SAID HOLE OF THE FIRST BOARD TO PASS INTO THE HOLE OF THE SECOND BOARD THEREBY COATING AT LEAST A SUBSTANTIAL PORTION OF THE WALL OF THE HOLE OF THE SECOND BOARD.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |