US4914829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image alignment indicators
Assignee: GTE Communication Systems Corp
•
Filing: 1988-12-16
•
Granted: 1990-04-10
•
Expires: 2008-12-16
Abstract
Abstract The addition of registration marks as an aid in projecting a precision location of a screened artwork or master pattern as used in printing of thick film circuits on a ceramic substrate base is taught by the present invention. The marks are located in a number of locations on the artwork that correspond to a location which will be determined as the edge of the substrate base when the substrate base is printed in proper registration on the artwork to which the registration marks have been added.
Inventors
- 👤 William R. Keaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:52
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/0266; H05K1/0269; H10; H10D; H10D84/00; H10D84/01; H05K1/09; H05K1/092; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/09654; H05K2201/09781; H05K2201/09818; H05K2201/09918; H05K2203/00; H05K2203/16; H05K2203/163; H05K2203/166; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49126
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
82 words
Positioning means for projecting a precision location of a screen artwork pattern as used in printing a thick film circuit on a ceramic substrate base, said positioning means comprising: a plurality of registration marks on said artwork pattern, said artwork pattern going to be projected onto a ceramic substrate base, and said plurality of registration marks being located immediately adjacent to a location determined as an edge of said substrate base when said substrate is in correct register with said artwork pattern.
Claim 2
Dependent Claim
82 words
Positioning means for projecting a precision location of a screen artwork pattern as used in printing a thick film circuit on a ceramic substrate base, said positioning means comprising: a plurality of registration marks on said artwork pattern, said artwork pattern going to be projected onto a ceramic substrate base, and said plurality of registration marks being located immediately adjacent to a location determined as an edge of said substrate base when said substrate is in correct register with said artwork pattern.
Claim 3
Dependent Claim
32 words
Positioning means as claimed in claim 1 wherein: said plurality of registration marks each include an arrow shaped end in contact with said location immediately adjacent to said substrate base edge location.
Claim 4
Dependent Claim
41 words
Positioning means as claimed in claim 2 wherein: said plurality of registration marks each include a pair of marks positioned on said artwork pattern in a location immediately adjacent to a location determined as a top edge of said substrate base.
Claim 5
Dependent Claim
39 words
Positioning means as claimed in claim 2 wherein: said plurality of registration marks include a single mark positioned on said artwork pattern in a location immediately adjacent to a location determined as a right edge of said substrate base.
Claim 6
Dependent Claim
56 words
Positioning means as claimed in claim 3 wherein: said pair of registration marks are spaced apart from each other so that one of said pair is further positioned adjacent to a right edge of said substrate base and said other registration mark of said pair is located adjacent to a left edge of said substrate base.
Claim 7
Dependent Claim
31 words
Positioning means as claimed in claim 4 wherein: said single registration mark is further located in a location adjacent to a location determined as a bottom edge of said substrate base.
References Cited (Backward Citations)
US1151461A
Cited
US2795851A
Cited
US3516156A
Cited
US3889383A
Cited
US3913219A
Cited
DE2917472A1
Cited
US4521262A
Cited
US4739448A
Cited
US4628406A
Cited
US4702785A
Cited
US4827626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-04-09 | 1993-10-09 | 1994-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-09 | 1997-10-09 | 1998-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-09 | 2001-10-09 | 2002-04-10 | $7700.00 | Window Closed / Lapsed |