US4568905A
Expired / Lapsed
US
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Magnetoelectric transducer
Assignee: Pioneer Corp
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Filing: 1983-09-13
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Granted: 1986-02-04
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Expires: 2003-09-13
Abstract
Abstract A magnetoelectric transducer having a substrate of magnetic or non-magnetic material is improved by providing a thin film of crystalline semiconductor In1-xGaxSb (0<x</=0.2) on the substrate either directly or through a metal or semiconductor oxide film.
Inventors
- 👤 Shinichi Suzuki
- 👤 Masanori Onuma
- 👤 Masami Mochizuki
- 👤 Takashi Suemitsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:54
CPC Classifications
H; H10; H10N; H10N52/00; H10N52/101
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
35 words
A magnetoelectric transducer, comprising; a substrate, an oxide film disposed on said substrate, and a thin film of crystalline semiconductor In 1-x Ga x Sb (0<x≦0.2) formed on at least a part of said oxide.
Claim 2
Dependent Claim
35 words
A magnetoelectric transducer, comprising; a substrate, an oxide film disposed on said substrate, and a thin film of crystalline semiconductor In 1-x Ga x Sb (0<x≦0.2) formed on at least a part of said oxide.
Claim 3
Dependent Claim
14 words
A device as claimed in claim 1, wherein said substrate comprises an Si substrate.
Claim 4
Dependent Claim
13 words
A device as claimed in claim 1, wherein said substrate comprises non-magnetic substrate.
Claim 5
Dependent Claim
14 words
A device as claimed in claim 1, wherein said substrate comprises a ceramic substrate.
Claim 6
Dependent Claim
14 words
A device as claimed in claim 1, wherein said substrate comprises a magnetic substrate.
Claim 7
Dependent Claim
14 words
A device as claimed in claim 1, wherein said substrate is formed of ferrite.
Claim 8
Dependent Claim
16 words
A device as claimed in claim 1, wherein said oxide film comprises a metal oxide film.
Claim 9
Dependent Claim
16 words
A device as claimed in claim 1, wherein said oxide film comprises a semiconductor oxide film.
Claim 10
Dependent Claim
35 words
A device as claimed in claim 1, further comprising an electrode layer in contact with a portion of said crystalline semiconductor, and a protective layer formed over at least exposed surfaces of said crystalline semiconductor.
Claim 11
Dependent Claim
18 words
A device as claimed in claim 9, further including a collector positioned generally centrally of said protective layer.
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Cited
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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) | 1989-02-03 | 1989-08-05 | 1990-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-02-03 | 1993-08-05 | 1994-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-02-03 | 1997-08-05 | 1998-02-04 | $7700.00 | Window Closed / Lapsed |