US4268339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for radiation cured continuous laminates
Assignee: Von Roll Isola USA Inc
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Filing: 1979-07-17
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Granted: 1981-05-19
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Expires: 1999-07-17
Abstract
Abstract A novel method of making continuous laminates by irradiation of a continuous sandwich of a radiation curable substrate and a metal foil is described. The method is especially useful for use in conjunction with substrates such as polyethylene in flexible printed circuit applications.
Inventors
- 👤 Raymond C. Urban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:00
CPC Classifications
B; B32; B32B; B32B37/00; B32B27/00; B32B27/18; B32B15/00; B32B15/04; B32B15/08; B32B37/14; B32B37/142; H; H05; H05K; H05K3/00; H05K3/0011; B32B38/00; B32B2038/0052; B32B2038/0076; B32B2310/00; B32B2310/08; B32B2310/0806; B32B2310/0831; B32B2310/085; B32B2310/0875; B32B2323/00; B32B2323/04; B32B2457/00; B32B2457/08; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/0353; H05K1/0366; H05K1/0393; H05K2203/00; H05K2203/15; H05K2203/1545; H05K3/02; H05K3/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A method of making a continuous laminate comprising providing a continuous layer of a radiation curable substrate selected from the group consisting of polyethylene, ethylene/propylene/diene rubber, and polypropylene, said substrate including a layer of stiffener selected from the group consisting of glass cloth, glass mat and glass paper and a continuous layer of copper foil, forming said substrate, said layer of stiffener and said foil into a sandwich, and continuously passing said sandwich through radiation from a radiation source selected from the group consisting of electrons, X-rays and ultraviolet rays.
Claim 2
Independent Claim
90 words
A method of making a continuous laminate comprising providing a continuous layer of a radiation curable substrate selected from the group consisting of polyethylene, ethylene/propylene/diene rubber, and polypropylene, said substrate including a layer of stiffener selected from the group consisting of glass cloth, glass mat and glass paper and a continuous layer of copper foil, forming said substrate, said layer of stiffener and said foil into a sandwich, and continuously passing said sandwich through radiation from a radiation source selected from the group consisting of electrons, X-rays and ultraviolet rays.
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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) | 1984-05-18 | 1984-11-17 | 1985-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-05-18 | 1988-11-17 | 1989-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-05-18 | 1992-11-17 | 1993-05-19 | $7700.00 | Window Closed / Lapsed |