Patent US6054647A successfully refreshed from Google Patents.
US6054647A
Expired / Lapsed
US
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Grid material for electromagnetic shielding
Assignee: NATIONAL-STANDARD LLC
•
Filing: 1997-11-26
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Granted: 2000-04-25
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Expires: 2017-11-26
Abstract
Abstract A grid material for incorporation with a molded housing to provide electromagnetic and radio frequency shielding is described. The unitary grid material includes a calendered and annealed nickel-coated grid material containing between about 1 to 20 percent by weight nickel. Methods of making the unitary grid material are described.
Inventors
- 👤 Jerry W. Ridener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:12
CPC Classifications
H; H05; H05K; H05K9/00; H05K9/0073; H05K9/0081; H05K9/009
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
62 words
A woven grid substrate material molded into a plastic housing to provide electromagnetic and radio frequency shielding of an electronic device is comprised of a nickel-coated grid material having each cross-over junction bonded to one another to provide a material substantially free of deformation in the plane it is woven and containing between about 1 to 20 percent by weight of nickel.
Claim 2
Dependent Claim
62 words
A woven grid substrate material molded into a plastic housing to provide electromagnetic and radio frequency shielding of an electronic device is comprised of a nickel-coated grid material having each cross-over junction bonded to one another to provide a material substantially free of deformation in the plane it is woven and containing between about 1 to 20 percent by weight of nickel.
Claim 3
Dependent Claim
30 words
The grid substrate material in accordance with claim 1, wherein said nickel-coated grid material is comprised of nickel-coated filament wires having a diameter of between about 0.002 to 0.015 inches.
Claim 4
Dependent Claim
20 words
The grid substrate material in accordance with claim 2, wherein said nickel-coated filament wires are comprised of nickel-coated carbon steel.
Claim 5
Dependent Claim
25 words
The grid substrate material in accordance with claim 1, wherein the preferred weight percent of the nickel in the grid material is about 2 percent.
Claim 6
Dependent Claim
77 words
An electromagnetic and radio frequency interference shielding housing for an electronic device comprising: an insulating moldable plastic housing, and a conductive grid substrate material molded integral with said plastic housing, with said conductive grid substrate material being comprised of a nickel-coated grid substrate material having each cross-over junction bonded to one another to provide a material substantially free of deformation in the plane it is woven and containing between about 1 to 20 percent by weight nickel.
Claim 7
Dependent Claim
77 words
An electromagnetic and radio frequency interference shielding housing for an electronic device comprising: an insulating moldable plastic housing, and a conductive grid substrate material molded integral with said plastic housing, with said conductive grid substrate material being comprised of a nickel-coated grid substrate material having each cross-over junction bonded to one another to provide a material substantially free of deformation in the plane it is woven and containing between about 1 to 20 percent by weight nickel.
Claim 8
Dependent Claim
64 words
The shielding housing in accordance with claim 5 wherein the electronic device is selected from a group comprising radios, CD players, airbag control modules, engine control modules, dashboard electronic modules, vehicle control units, industrial control modules, windshield wiper motors, window regulation motors, seat adjustment motors, computers, printers, cable boxes, disk drive cases, monitors, photocopier subassemblies, data transmission equipment, cellular phones and electronic medical units.
Claim 9
Dependent Claim
25 words
The grid substrate material in accordance with claim 5, wherein the preferred weight percent of the nickel in the grid material is about 2 percent.
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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) | 2003-04-25 | 2003-10-25 | 2004-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-04-25 | 2007-10-25 | 2008-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-04-25 | 2011-10-25 | 2012-04-25 | $7700.00 | Window Closed / Lapsed |