US2666008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for making conductive patterns of predetermined configuration
Assignee: Stromberg Carlson Corp
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Filing: 1950-08-03
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Granted: 1954-01-12
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Expires: 1970-08-03
Abstract
No abstract record available.
Inventors
- 👤 Enslein Kurt
- 👤 Fred J Haskins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:18
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/08; C; C23; C23F; C23F1/00; C23F1/02; H05; H05K; H05K3/00; H05K3/02; H05K3/06; H05K3/061; H05K3/10; H05K3/20; H05K3/205; H05K2203/00; H05K2203/01; H05K2203/0104; H05K2203/0117; H05K2203/05; H05K2203/0562; H05K2203/0585; H05K2203/07; H05K2203/0703; H05K2203/0726; H05K3/38; H05K3/386
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
THE METHOD OF PRODUCING A CONDUCTIVE PATTERN OF PREDETERMINED CONFIGURATION ON AN INSULATING BASE MEMBER WHICH COMPRISES THE STEPS OF, DEPOSITING A LAYER OF PHOTOSENSITIVE FLUOROCARBON MATERIAL ON A HIGHLY POLISHED STAINLESS STEEL MASTER BASE PLATE, EXPOSING SAID PHOTOSENSITIVE MATERIAL TO ACTINIC RADIATIONS IN A PATTERN CORRESPONDING TO THE NEGATIVE OF THE EVENTUAL CONDUCTIVE PATTERN, DEVELOPING SAID PHOTOSENSITIVE MATERIAL TO PROVIDE A STENCIL OF FLUOROCARBON ON SAID MASTER BASE PLATE, ELECTRO-DEPOSITING A LAYER OF CONDUCTIVE MATERIAL ONTO THE AREAS OF SAID MASTER PLATE UNMASKED BY SAID STENCIL, COATING A SURFACE OF SAID MASTER PLATE AND AN INSULATING BASE MEMBER WITH AN ADHESIVE, PRESSING SAID ADHESIVE COATED SURFACES TOGETHER, AND SEPARATING SAID BASE MEMBER FROM SAID MASTER BASE PLATE WITH SAID CONDUCTIVE LAYER OF SAID PREDETERMINED PATTERN ADHERING TO SAID BASE MEMBER.
Claim 2
Independent Claim
131 words
THE METHOD OF PRODUCING A CONDUCTIVE PATTERN OF PREDETERMINED CONFIGURATION ON AN INSULATING BASE MEMBER WHICH COMPRISES THE STEPS OF, DEPOSITING A LAYER OF PHOTOSENSITIVE FLUOROCARBON MATERIAL ON A HIGHLY POLISHED STAINLESS STEEL MASTER BASE PLATE, EXPOSING SAID PHOTOSENSITIVE MATERIAL TO ACTINIC RADIATIONS IN A PATTERN CORRESPONDING TO THE NEGATIVE OF THE EVENTUAL CONDUCTIVE PATTERN, DEVELOPING SAID PHOTOSENSITIVE MATERIAL TO PROVIDE A STENCIL OF FLUOROCARBON ON SAID MASTER BASE PLATE, ELECTRO-DEPOSITING A LAYER OF CONDUCTIVE MATERIAL ONTO THE AREAS OF SAID MASTER PLATE UNMASKED BY SAID STENCIL, COATING A SURFACE OF SAID MASTER PLATE AND AN INSULATING BASE MEMBER WITH AN ADHESIVE, PRESSING SAID ADHESIVE COATED SURFACES TOGETHER, AND SEPARATING SAID BASE MEMBER FROM SAID MASTER BASE PLATE WITH SAID CONDUCTIVE LAYER OF SAID PREDETERMINED PATTERN ADHERING TO SAID BASE MEMBER.
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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |