Patent US6940386B2 successfully refreshed from Google Patents.
US6940386B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-layer symmetric inductor
Assignee: Scintera Networks LLC
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Filing: 2003-11-19
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Granted: 2005-09-06
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Expires: 2023-11-19
Abstract
Abstract An integrated circuit including a differentially excited symmetric microstrip inductor formed over multiple layers while maintaining both electrical and geometrical symmetry.
Inventors
- 👤 Debanjan Mukherjee
- 👤 Jishnu Bhattacharjee
- 👤 Abhijit Phanse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:44
CPC Classifications
H; H01; H01F; H01F17/00; H01F17/0006; H01F17/0013; H01F2017/0046; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
227 words
A differential inductor comprising: a first conductive path lying in a first plane having a first portion coupled to a first port and a second portion coupled to a second port; a second conductive path lying in a second plane spaced apart from the first plane, having a first portion, a second portion, and a third portion; and a third conductive path and a fourth conductive path each lying in a third plane spaced apart from the first plane and second plane; said first portion of said first conductive path configured to receive a signal through the first port and couple the signal to the first portion of said second conductive path on said second plane, said first portion of said second conductive path configured to couple the signal to the third conductive path on said third plane, said third conductive path configured to couple the signal to said second portion of said second conductive path on said second plane, said second portion of said second conductive path configured to couple the signal to said fourth conductive path on said third plane, said fourth conductive path configured to couple the signal to the third portion of said second conductive path on said second plane, and said third portion of said second conductive path configured to couple the signal to the second portion of said first conductive path.
Claim 2
Dependent Claim
227 words
A differential inductor comprising: a first conductive path lying in a first plane having a first portion coupled to a first port and a second portion coupled to a second port; a second conductive path lying in a second plane spaced apart from the first plane, having a first portion, a second portion, and a third portion; and a third conductive path and a fourth conductive path each lying in a third plane spaced apart from the first plane and second plane; said first portion of said first conductive path configured to receive a signal through the first port and couple the signal to the first portion of said second conductive path on said second plane, said first portion of said second conductive path configured to couple the signal to the third conductive path on said third plane, said third conductive path configured to couple the signal to said second portion of said second conductive path on said second plane, said second portion of said second conductive path configured to couple the signal to said fourth conductive path on said third plane, said fourth conductive path configured to couple the signal to the third portion of said second conductive path on said second plane, and said third portion of said second conductive path configured to couple the signal to the second portion of said first conductive path.
Claim 3
Dependent Claim
20 words
The differential inductor of claim 1 , wherein said first plane is substantially parallel to said second and third planes.
Claim 4
Dependent Claim
19 words
The differential inductor of claim 1 , wherein said first, second, third, and fourth conductive paths comprise metal windings.
Claim 5
Dependent Claim
27 words
The differential inductor of claim 1 , wherein said conductive paths couple said signal to each other conductive path with electrically conductive pathways formed between each plane.
Claim 6
Dependent Claim
29 words
The differential inductor of claim 1 , wherein said first portion of said first conductive path comprises a portion of an outer winding and an inner winding electrically coupled.
Claim 7
Dependent Claim
32 words
The differential inductor of claim 1 , wherein said first portion of said second conductive path comprises a portion of an outer winding and a portion of an inner winding electrically coupled.
Claim 8
Dependent Claim
23 words
The differential inductor of claim 1 , wherein said second portion of said first conductive path comprises a portion of an outer winding.
Claim 9
Dependent Claim
23 words
The differential inductor of claim 1 , wherein said second portion of said second conductive path comprises a portion of an inner winding.
Claim 10
Dependent Claim
23 words
The differential inductor of claim 1 , wherein said third portion of said second conductive path comprises a portion of an outer winding.
Claim 11
Dependent Claim
158 words
The differential inductor of claim 1 , wherein said second portion of said first conductive path is configured to receive a signal through the second port and couple the signal to the third portion of said second conductive path on said second plane, said third portion of said second conductive path configured to couple the signal to the fourth conductive path on said third plane, said fourth conductive path configured to couple the signal to the second portion of said second conductive pathway on said second plane, said second portion of said second conductive path configured to couple the signal to the third conductive path on said third plane, said third conductive path configured to couple the signal to the first portion of said second conductive path on said second plane, and said first portion of said second conductive path configured to couple the signal to the first portion of the first conductive path on said first plane.
Claim 12
Independent Claim
234 words
A method for forming a differential inductor comprising: forming a first conductive path lying in a first plane having a first portion coupled to a first port and a second portion coupled to a second port, forming a second conductive path lying in a second plane spaced apart from the first plane having a first portion, a second portion and a third portion, and forming a third conductive path and a fourth conductive path each lying in a third plane spaced apart from the first plane and second plane, said first portion of said first conductive path configured to receive a signal through the first port and couple the signal to the first portion of said second conductive path on said second plane, said first portion of said second conductive path configured to couple the signal to the third conductive path on said third plane, said third conductive path configured to couple the signal to said second portion of said second conductive path on said second plane, said second portion of said second conductive path configured to couple the signal to said fourth conductive path on said third plane, said fourth conductive path configured to couple the signal to the third portion of said second conductive path on said second plane, and said third portion of said second conductive path configured to couple the signal to the second portion of said first conductive path.
Claim 13
Independent Claim
234 words
A method for forming a differential inductor comprising: forming a first conductive path lying in a first plane having a first portion coupled to a first port and a second portion coupled to a second port, forming a second conductive path lying in a second plane spaced apart from the first plane having a first portion, a second portion and a third portion, and forming a third conductive path and a fourth conductive path each lying in a third plane spaced apart from the first plane and second plane, said first portion of said first conductive path configured to receive a signal through the first port and couple the signal to the first portion of said second conductive path on said second plane, said first portion of said second conductive path configured to couple the signal to the third conductive path on said third plane, said third conductive path configured to couple the signal to said second portion of said second conductive path on said second plane, said second portion of said second conductive path configured to couple the signal to said fourth conductive path on said third plane, said fourth conductive path configured to couple the signal to the third portion of said second conductive path on said second plane, and said third portion of said second conductive path configured to couple the signal to the second portion of said first conductive path.
Claim 14
Dependent Claim
237 words
A differential inductor system comprising: a substrate including semiconductor technology, and an inductor including: a first conductive path lying in a first plane having a first portion coupled to a first port and a second portion coupled to a second port, a second conductive path lying in a second plane spaced apart from the first plane, having a first portion, a second portion, and a third portion, and a third conductive path and a fourth conductive path each lying in a third plane spaced apart from the first plane and second plane, said first portion of said first conductive path configured to receive a signal through the first port and couple the signal to the first portion of said second conductive path on said second plane, said first portion of said second conductive path configured to couple the signal to the third conductive path on said third plane, said third conductive path configured to couple the signal to said second portion of said second conductive path on said second plane, said second portion of said second conductive path configured to couple the signal to said fourth conductive path on said third plane, said fourth conductive path configured to couple the signal to the third portion of said second conductive path on said second plane, and said third portion of said second conductive path configured to couple the signal to the second portion of said first conductive path.
Claim 15
Dependent Claim
237 words
A differential inductor system comprising: a substrate including semiconductor technology, and an inductor including: a first conductive path lying in a first plane having a first portion coupled to a first port and a second portion coupled to a second port, a second conductive path lying in a second plane spaced apart from the first plane, having a first portion, a second portion, and a third portion, and a third conductive path and a fourth conductive path each lying in a third plane spaced apart from the first plane and second plane, said first portion of said first conductive path configured to receive a signal through the first port and couple the signal to the first portion of said second conductive path on said second plane, said first portion of said second conductive path configured to couple the signal to the third conductive path on said third plane, said third conductive path configured to couple the signal to said second portion of said second conductive path on said second plane, said second portion of said second conductive path configured to couple the signal to said fourth conductive path on said third plane, said fourth conductive path configured to couple the signal to the third portion of said second conductive path on said second plane, and said third portion of said second conductive path configured to couple the signal to the second portion of said first conductive path.
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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) | 2008-09-05 | 2009-03-07 | 2009-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2012-09-05 | 2013-03-07 | 2013-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2016-09-05 | 2017-03-07 | 2017-09-06 | $7700.00 | Window Closed / Lapsed |