Patent US4661829A successfully refreshed from Google Patents.
US4661829A
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US
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Device using ordered semiconductor alloy
Assignee: Nokia Bell Labs
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Filing: 1985-06-05
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Granted: 1987-04-28
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Expires: 2005-06-05
Abstract
Abstract An ordered-disordered transition is observed in semiconductor alloys which enables either the ordered or disordered structure to be produced.
Inventors
- 👤 John C. Bean
- 👤 Abbas Ourmazd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:48
CPC Classifications
G; G11; G11C; G11C16/00; G11C16/02; H; H10; H10D; H10D30/00; H10D30/80; H10D30/801; H10D62/00; H10D62/80; H10D62/81; H10D62/815; H10D62/8161; H10D62/8162; H10D62/8164; H10F; H10F39/00; H10F39/10; H10F39/12; H10F39/18
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
34 words
A semiconductor device comprising a superlattice of interleaved first and second semiconductor layers, such interleaved first and second layers having first and second compositions, said first composition comprising ordered Ge x Si 1-x .
Claim 2
Dependent Claim
34 words
A semiconductor device comprising a superlattice of interleaved first and second semiconductor layers, such interleaved first and second layers having first and second compositions, said first composition comprising ordered Ge x Si 1-x .
Claim 3
Dependent Claim
21 words
A device as recited in claim 1 further comprising first and second semiconductor layers on opposed major surfaces of said superlattice.
Claim 4
Dependent Claim
17 words
A device as recited in claim 1 further comprising electrical contacts to said first and second layers.
Claim 5
Dependent Claim
18 words
A device as recited in claim 3 in which said first and second layers have opposite conductivity types.
Claim 6
Dependent Claim
17 words
A device as recited in claim 1 further comprising a light source, said source illuminating said superlattice.
Claim 7
Dependent Claim
19 words
A device as recited in claim 5 in which the beam from source is parallel to said interleaved layers.
Claim 8
Dependent Claim
19 words
A device as recited in claim 5 in which the beam from source is perpendicular to said interleaved layers.
Claim 9
Dependent Claim
18 words
A device as recited in claim 7 further comprising means for scanning said light beam on said superlattice.
Claim 10
Dependent Claim
17 words
A device as recited in claim 8 further comprising means for detecting light reflected from said superlattice.
Claim 11
Dependent Claim
17 words
A device as recited in claim 2 further comprising source and drain electrodes to said interleaved layers.
Claim 12
Dependent Claim
12 words
A device as recited in claim 10 further comprising a gate electrode.
Claim 13
Dependent Claim
24 words
A device as recited in claim 2 further comprising a substrate, said superlattice and said first and second layers being disposed on said substrate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-04-27 | 1990-10-27 | 1991-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-27 | 1994-10-27 | 1995-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-27 | 1998-10-27 | 1999-04-28 | $7700.00 | Window Closed / Lapsed |