Patent US2699425A successfully refreshed from Google Patents.
US2699425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating electrical conductors on an insulating panel
Assignee: Motorola Solutions Inc
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Filing: 1952-07-05
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Granted: 1955-01-11
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Expires: 1972-07-05
Abstract
No abstract record available.
Inventors
- 👤 Nieter Temple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:15
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/34; H05K3/3489; H05K3/10; H05K3/108; H05K3/18; H05K3/181; H05K3/22; H05K3/28; H05K3/282; H05K3/40; H05K3/42; H05K3/425; H05K3/426; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0344; H05K2203/00; H05K2203/07; H05K2203/0736; H05K2203/075; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A PROCESS FOR FORMING ELECTRICAL CONDUCTORS UPON BOTH SIDES OF A THIN INSULATING PANEL WHICH HAS A PLURALITY OF APERTURES THEREIN WITH CERTAIN ONES OF THE ELECTRICAL CONDUCTORS ON AT LEAST ONE SIDE OF THE PANEL BEING ISOLATED FROM ONE ANOTHER, AND FOR FORMING CONDUCTIVE LININGS IN THE APERTURES ADAPTED TO RECEIVE TERMINAL CONNECTIONS AND ADAPTED TO INTERCONNECT CERTAIN ONES OF SUCH CONDUCTORS ON OPPOSITE SIDES OF THE PANEL, WHICH METHOD INCLUDES SPRAYING A METAL COMPOUND SOLUTION AND A REDUCING SOLUTION ONTO THE SURFACES OF BOTH SIDES OF THE PANEL AND ONTO THE BORES OF THE APERTURES IN THE PANEL TO COAT SUCH SURFACES AND BORES WITH A CONTINUOUS METALLIC BASE LAYER, WITH THE BASE LAYER FORMING A CONDUCTIVE LINING FOR THE APERTURES OF A THICKNESS SMALL AS COMPARED WITH THE CROSS-SECTIONAL DIMENSIONS OF THE RESPECTIVE APERTURES, APPLYING RESIST MATERIAL TO SAID BASE LAYER ON BOTH SIDES OF THE PANEL TO MASK AGAINST ELECTROPLATING PORTIONS OF THE SURFACES THEREOF ON WHICH NO FINAL CONDUCTOR IS TO APPEAR AND TO LEAVE UNCOVERED THE APERTURES AND THOSE PORTIONS OF THE SURFACES ON WHICH
Claim 2
Dependent Claim
181 words
A PROCESS FOR FORMING ELECTRICAL CONDUCTORS UPON BOTH SIDES OF A THIN INSULATING PANEL WHICH HAS A PLURALITY OF APERTURES THEREIN WITH CERTAIN ONES OF THE ELECTRICAL CONDUCTORS ON AT LEAST ONE SIDE OF THE PANEL BEING ISOLATED FROM ONE ANOTHER, AND FOR FORMING CONDUCTIVE LININGS IN THE APERTURES ADAPTED TO RECEIVE TERMINAL CONNECTIONS AND ADAPTED TO INTERCONNECT CERTAIN ONES OF SUCH CONDUCTORS ON OPPOSITE SIDES OF THE PANEL, WHICH METHOD INCLUDES SPRAYING A METAL COMPOUND SOLUTION AND A REDUCING SOLUTION ONTO THE SURFACES OF BOTH SIDES OF THE PANEL AND ONTO THE BORES OF THE APERTURES IN THE PANEL TO COAT SUCH SURFACES AND BORES WITH A CONTINUOUS METALLIC BASE LAYER, WITH THE BASE LAYER FORMING A CONDUCTIVE LINING FOR THE APERTURES OF A THICKNESS SMALL AS COMPARED WITH THE CROSS-SECTIONAL DIMENSIONS OF THE RESPECTIVE APERTURES, APPLYING RESIST MATERIAL TO SAID BASE LAYER ON BOTH SIDES OF THE PANEL TO MASK AGAINST ELECTROPLATING PORTIONS OF THE SURFACES THEREOF ON WHICH NO FINAL CONDUCTOR IS TO APPEAR AND TO LEAVE UNCOVERED THE APERTURES AND THOSE PORTIONS OF THE SURFACES ON WHICH
References Cited (Backward Citations)
US653024A
Cited
US1563731A
Cited
US1942686A
Cited
US2214646A
Cited
US2257143A
Cited
US2433384A
Cited
US2441960A
Cited
US2443119A
Cited
US2521648A
Cited
US2506604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |