Patent US6025759A successfully refreshed from Google Patents.
US6025759A
Expired / Lapsed
US
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Microwave integrated circuit including surface mounting type isolator
Assignee: NEC Corp
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Filing: 1998-06-25
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Granted: 2000-02-15
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Expires: 2018-06-25
Abstract
Abstract Disclosed is a surface mounting type isolator, which comprises: ferrite 1 having an internal magnetic field so as to render an external magnetic field unnecessary; ceramic substrate 5 into which ferrite 1 is inserted; full-surface grounding conductor 7 disposed on one surface of ceramic substrate 5; branch lines 2, 3 disposed on the other surface of ceramic substrate 5, branch lines 2,3 being connected to two input/output terminals 11, 12; connecting portion 4 disposed on ferrite 1 and connected to branch lines 2, 3; and terminating resistor 6 connected to connecting portion 4.
Inventors
- 👤 Kuniharu Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:19
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/32; H01P1/38; H01P1/383; H01P1/387
Claims Analysis
Total Claims: 54
Claim 1
Independent Claim
81 words
A structure comprising: a surface mounting type isolator that comprises a substance having an internal magnetic field of such strength as to render the isolator devoid of an external magnetic field for its operation, and one of an MIC (Microwave Integrated Circuit) having a header and an MCM (Multi-chip Module) having a substrate with a semiconductor chip mounted thereon, wherein said surface mounting type isolator is disposed on one of said header of said MIC and said substrate of said MCM.
Claim 2
Dependent Claim
81 words
A structure comprising: a surface mounting type isolator that comprises a substance having an internal magnetic field of such strength as to render the isolator devoid of an external magnetic field for its operation, and one of an MIC (Microwave Integrated Circuit) having a header and an MCM (Multi-chip Module) having a substrate with a semiconductor chip mounted thereon, wherein said surface mounting type isolator is disposed on one of said header of said MIC and said substrate of said MCM.
Claim 3
Dependent Claim
14 words
The structure as set forth in claim 1, wherein said substance is a ferrite.
Claim 4
Dependent Claim
16 words
The structure as set forth in claim 2, wherein said ferrite is a hexagonal crystal ferrite.
Claim 5
Dependent Claim
17 words
The structure as set forth in claim 3, wherein said hexagonal crystal ferrite is of magnetoplumbite type.
Claim 6
Dependent Claim
26 words
The structure as set forth in claim 1, wherein said surface mounting type isolator operates in one of a microwave band and a millimeter wave band.
Claim 7
Dependent Claim
92 words
A surface mounting type isolator comprising: a substance having an internal magnetic field of such strength as to render the isolator devoid of an external magnetic field for its operation; a ceramic substrate into which said substance is inserted; a full-surface grounding conductor disposed on a surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; a connecting portion disposed on said substance connected to said branch lines; and a terminating resistor connected to said connecting portion.
Claim 8
Dependent Claim
92 words
A surface mounting type isolator comprising: a substance having an internal magnetic field of such strength as to render the isolator devoid of an external magnetic field for its operation; a ceramic substrate into which said substance is inserted; a full-surface grounding conductor disposed on a surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; a connecting portion disposed on said substance connected to said branch lines; and a terminating resistor connected to said connecting portion.
Claim 9
Dependent Claim
32 words
The surface mounting type isolator as set forth in claim 6, wherein said surface mounting isolator is mounted on one of a header of an MIC and a substrate of an MCM.
Claim 10
Dependent Claim
17 words
The surface mounting type isolator as set forth in claim 6, wherein said substance is a ferrite.
Claim 11
Dependent Claim
19 words
The surface mounting type isolator as set forth in claim 8, wherein said ferrite is a hexagonal crystal ferrite.
Claim 12
Dependent Claim
20 words
The surface mounting type isolator as set forth in claim 9, wherein said hexagonal crystal ferrite is of magnetoplumbite type.
Claim 13
Dependent Claim
29 words
The surface mounting type isolator as set forth in claim 6, wherein said surface mounting type isolator operates in one of a microwave band and a millimeter wave band.
Claim 14
Dependent Claim
76 words
A structure comprising: a surface mounting type circulator that comprises a substance having an internal magnetic field of such strength as to render the circulation devoid of an external magnetic field for its operation; and one of an MIC having a header and an MCM having a substrate with a semiconductor chip mounted thereon, wherein said surface mounting type circulator is disposed on one of said header of said MIC and said substrate of said MCM.
Claim 15
Dependent Claim
76 words
A structure comprising: a surface mounting type circulator that comprises a substance having an internal magnetic field of such strength as to render the circulation devoid of an external magnetic field for its operation; and one of an MIC having a header and an MCM having a substrate with a semiconductor chip mounted thereon, wherein said surface mounting type circulator is disposed on one of said header of said MIC and said substrate of said MCM.
Claim 16
Dependent Claim
14 words
The structure as set forth in claim 12, wherein said substance is a ferrite.
Claim 17
Dependent Claim
16 words
The structure as set forth in claim 13, wherein said ferrite is a hexagonal crystal ferrite.
Claim 18
Dependent Claim
17 words
The structure as set forth in claim 14, wherein said hexagonal crystal ferrite is of magnetoplumbite type.
Claim 19
Dependent Claim
26 words
The structure as set forth in claim 12, wherein said surface mounting type circulator operates in one of a microwave band and a millimeter wave band.
Claim 20
Dependent Claim
85 words
A surface mounting type circulator comprising: a substance having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a ceramic substrate in which said substance inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; and a connecting portion disposed on said substance and connected to said branch lines.
Claim 21
Dependent Claim
85 words
A surface mounting type circulator comprising: a substance having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a ceramic substrate in which said substance inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; and a connecting portion disposed on said substance and connected to said branch lines.
Claim 22
Dependent Claim
32 words
The surface mounting type circulator as set forth in claim 17, wherein said surface mounting circulator is mounted on one of a header of an MIC and a substrate of an MCM.
Claim 23
Dependent Claim
17 words
The surface mounting type circulator as set forth in claim 17, wherein said substance is a ferrite.
Claim 24
Dependent Claim
19 words
The surface mounting type circulator as set forth in claim 19, wherein said ferrite is a hexagonal crystal ferrite.
Claim 25
Dependent Claim
20 words
The surface mounting type circulator as set forth in claim 20, wherein said hexagonal crystal ferrite is of magnetoplumbite type.
Claim 26
Dependent Claim
29 words
The surface mounting type circulator as set forth in claim 17, wherein said surface mounting type circulator operates in one of a microwave band and a millimeter wave band.
Claim 27
Dependent Claim
63 words
An MIC (Microwave Integrated Circuit) comprising: a header; a surface mounting type circulator mounted on said header and comprising a substance having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a semiconductor chip mounted on said header; and a cap enclosing said surface mounting type circulator and said semiconductor chip.
Claim 28
Dependent Claim
63 words
An MIC (Microwave Integrated Circuit) comprising: a header; a surface mounting type circulator mounted on said header and comprising a substance having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a semiconductor chip mounted on said header; and a cap enclosing said surface mounting type circulator and said semiconductor chip.
Claim 29
Dependent Claim
72 words
The MIC as set forth in claim 23, wherein said surface mounting type circulator further comprises: a ceramic substrate in which said substance is inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; and a connecting portion disposed on said substance and connected to said branch lines.
Claim 30
Dependent Claim
24 words
The MIC as set forth in claim 24, wherein said surface mounting type circulator further comprises a terminating resistor connected to said connecting portion.
Claim 31
Dependent Claim
14 words
The MIC as set forth in claim 23, wherein said substance is a ferrite.
Claim 32
Dependent Claim
16 words
The MIC as set forth in claim 26, wherein said ferrite is a hexagonal crystal ferrite.
Claim 33
Dependent Claim
17 words
The MIC as set forth in claim 27, wherein said hexagonal crystal ferrite is of magnetoplumbite type.
Claim 34
Dependent Claim
23 words
The MIC as set forth in claim 23, wherein said MIC operates in one of a microwave band and a millimeter wave band.
Claim 35
Dependent Claim
62 words
An MCM (Multi-chip Module) comprising: a substrate, a surface mounting type circulator mounted on said substrate and comprising a substance having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a semiconductor chip mounted on said substrate; and a cap enclosing said surface mounting type circulator and said semiconductor chip.
Claim 36
Dependent Claim
62 words
An MCM (Multi-chip Module) comprising: a substrate, a surface mounting type circulator mounted on said substrate and comprising a substance having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a semiconductor chip mounted on said substrate; and a cap enclosing said surface mounting type circulator and said semiconductor chip.
Claim 37
Dependent Claim
72 words
The MCM as set forth in claim 30, wherein said surface mounting tape circulator further comprises: a ceramic substrate in which said substance is inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; and a connecting portion disposed on said substance and connected to said branch lines.
Claim 38
Dependent Claim
24 words
The MCM as set forth in claim 31, wherein said surface mounting type circulator further comprises a terminating resistor connected to said connecting portion.
Claim 39
Dependent Claim
14 words
The MCM as set forth in claim 30, wherein said substance is a ferrite.
Claim 40
Dependent Claim
16 words
The MCM as set forth in claim 33, wherein said ferrite is a hexagonal crystal ferrite.
Claim 41
Dependent Claim
17 words
The MCM as set forth in claim 34, wherein said hexagonal crystal ferrite is of magnetoplumbite type.
Claim 42
Dependent Claim
23 words
The MCM as set forth in claim 30, wherein said MCM operates in one of a microwave band and a millimeter wave band.
Claim 43
Dependent Claim
98 words
A surface mounting type isolator comprising: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the isolator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate is inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; a connecting portion disposed on said substrate and connected to said branch lines; and a terminating resistor connected to said connecting portion.
Claim 44
Dependent Claim
98 words
A surface mounting type isolator comprising: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the isolator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate is inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; a connecting portion disposed on said substrate and connected to said branch lines; and a terminating resistor connected to said connecting portion.
Claim 45
Dependent Claim
89 words
A surface mounting type circulator comprising: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate is inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; and a connecting portion disposed on said substrate connected to said branch lines.
Claim 46
Dependent Claim
89 words
A surface mounting type circulator comprising: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate is inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; and a connecting portion disposed on said substrate connected to said branch lines.
Claim 47
Dependent Claim
133 words
An MIC comprising: a header; a surface mounting type isolator directly mounted on said header; a semiconductor chip directly mounted on said header; and a cap enclosing said surface mounting type isolator and said semiconductor chip, wherein said surface mounting type isolator comprises: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the isolator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate is inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of ceramic substrate, said branch lines being connected to two input/output terminals; a connecting portion disposed on said substrate connected to said branch lines; and a terminating resistor connected to said connecting portion.
Claim 48
Dependent Claim
133 words
An MIC comprising: a header; a surface mounting type isolator directly mounted on said header; a semiconductor chip directly mounted on said header; and a cap enclosing said surface mounting type isolator and said semiconductor chip, wherein said surface mounting type isolator comprises: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the isolator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate is inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of ceramic substrate, said branch lines being connected to two input/output terminals; a connecting portion disposed on said substrate connected to said branch lines; and a terminating resistor connected to said connecting portion.
Claim 49
Dependent Claim
124 words
An MIC comprising: a header; a surface mounting type circulator directly mounted on said header; a semiconductor chip directly mounted on said header; and a cap enclosing said surface mounting type circulator and said semiconductor chip, wherein said surface mounting type circulator comprises: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of ceramic substrate, said branch lines being connected to two input/output terminals; and a connecting portion disposed on said substrate connected to said branch lines.
Claim 50
Dependent Claim
124 words
An MIC comprising: a header; a surface mounting type circulator directly mounted on said header; a semiconductor chip directly mounted on said header; and a cap enclosing said surface mounting type circulator and said semiconductor chip, wherein said surface mounting type circulator comprises: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of ceramic substrate, said branch lines being connected to two input/output terminals; and a connecting portion disposed on said substrate connected to said branch lines.
Claim 51
Dependent Claim
135 words
An MCM comprising: a substrate; a surface mounting type isolator directly mounting on said substrate; a semiconductor chip directly mounted on ceramic substrate; and a cap enclosing said surface mounting type isolator and said semiconductor chip, wherein said surface mounting type isolator comprises: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the isolator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate is inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; a connecting portion disposed on said substrate and connected to said branch lines; and a terminating resistor connected to said connecting portion.
Claim 52
Dependent Claim
135 words
An MCM comprising: a substrate; a surface mounting type isolator directly mounting on said substrate; a semiconductor chip directly mounted on ceramic substrate; and a cap enclosing said surface mounting type isolator and said semiconductor chip, wherein said surface mounting type isolator comprises: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the isolator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate is inserted; a full-surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; a connecting portion disposed on said substrate and connected to said branch lines; and a terminating resistor connected to said connecting portion.
Claim 53
Dependent Claim
126 words
An MCM comprising: a substrate; a surface mounting type circulator directly mounted said header; a semiconductor chip directly mounted on said header; and a cap enclosing said surface mounting type circulator and said semiconductor chip, wherein said surface mounting type circulator comprises: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate inserted; a full surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; and a connecting portion disposed on said substrate and connected to said branch lines.
Claim 54
Dependent Claim
126 words
An MCM comprising: a substrate; a surface mounting type circulator directly mounted said header; a semiconductor chip directly mounted on said header; and a cap enclosing said surface mounting type circulator and said semiconductor chip, wherein said surface mounting type circulator comprises: a magnetoplumbite type hexagonal crystal ferrite having an internal magnetic field of such strength as to render the circulator devoid of an external magnetic field for its operation; a ceramic substrate into which said substrate inserted; a full surface grounding conductor disposed on a first surface of said ceramic substrate; branch lines disposed on a second surface of said ceramic substrate, said branch lines being connected to two input/output terminals; and a connecting portion disposed on said substrate and connected to said branch lines.
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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) | 2003-02-14 | 2003-08-16 | 2004-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-02-14 | 2007-08-16 | 2008-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-02-14 | 2011-08-16 | 2012-02-15 | $7700.00 | Window Closed / Lapsed |