Patent US3352731A successfully refreshed from Google Patents.
US3352731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin film printed circuit
Assignee: Xerox Corp
•
Filing: 1963-11-20
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Granted: 1967-11-14
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Expires: 1983-11-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Schwertz
- 👤 Edward F Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:41
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/003; G; G03; G03G; G03G11/00; G03G13/00; G03G13/14; G03G13/16; G03G13/26; G03G13/32; G03G15/00; G03G15/14; G03G15/16; G03G15/1625; G03G15/22; G03G15/24; G03G7/00; G03G7/0093; G03G9/00; G03G9/08; G03G9/10; H05; H05K; H05K3/00; H05K3/02; H05K3/04; H05K3/046; H05K3/06; H05K3/061; H05K3/065; H05K3/10; H05K3/20; H05K2203/00; H05K2203/05; H05K2203/0502; H05K2203/0517; H05K2203/0522; H05K2203/0537
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A METHOD OF FORMING AN ELECTRICAL COMPONENT ON A CARRIER SUPPORT COMPRISING FORMING A PATTERN OF NON-ADHESIVE MATERIAL IN THE SHAPE OF THE COMPONENT TO BE FORMED ON AN ADHESIVE SURFACE OF A TRANSFER SUPPORT, BRINGING SAID PATTERN OF NON-ADHESIVE MATERIAL AND THE ADHESIVE SURFACE OF THE TRANSFER SUPPORT INTO CONTACT WITH AN ADHESIVELY STRIPPABLE DONOR FILM OVERCOATING A LAYER OF MATERIAL ON A CARRIER SUPPORT FROM WHICH THE COMPONENT IS TO BE FORMED, SEPARATING THE CARRIER AND TRANSFER SUPPORTS TO TRANSFER THE DONOR FILM NOT LYING UNDER THE PATTERN OF NONADHESIVE MATERIAL FROM THE CARRIER SUPPORT TO THE TRANSFER SUPPORT, APPLYING A CHEMICAL ETCHANT TO THE COMPONENT MATERIAL TO REMOVE SAID MATERIAL FROM THE CARRIER SUPPORT EXCEPT IN THE AREAS UNDER THE CHEMICALLY RESISTANT DONOR FILM THEREBY FORMING THE ELECTRICAL COMPONENT ON THE CARRIER SUPPORT.
Claim 2
Independent Claim
136 words
A METHOD OF FORMING AN ELECTRICAL COMPONENT ON A CARRIER SUPPORT COMPRISING FORMING A PATTERN OF NON-ADHESIVE MATERIAL IN THE SHAPE OF THE COMPONENT TO BE FORMED ON AN ADHESIVE SURFACE OF A TRANSFER SUPPORT, BRINGING SAID PATTERN OF NON-ADHESIVE MATERIAL AND THE ADHESIVE SURFACE OF THE TRANSFER SUPPORT INTO CONTACT WITH AN ADHESIVELY STRIPPABLE DONOR FILM OVERCOATING A LAYER OF MATERIAL ON A CARRIER SUPPORT FROM WHICH THE COMPONENT IS TO BE FORMED, SEPARATING THE CARRIER AND TRANSFER SUPPORTS TO TRANSFER THE DONOR FILM NOT LYING UNDER THE PATTERN OF NONADHESIVE MATERIAL FROM THE CARRIER SUPPORT TO THE TRANSFER SUPPORT, APPLYING A CHEMICAL ETCHANT TO THE COMPONENT MATERIAL TO REMOVE SAID MATERIAL FROM THE CARRIER SUPPORT EXCEPT IN THE AREAS UNDER THE CHEMICALLY RESISTANT DONOR FILM THEREBY FORMING THE ELECTRICAL COMPONENT ON THE CARRIER SUPPORT.
References Cited (Backward Citations)
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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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |