Patent US4845452A successfully refreshed from Google Patents.
US4845452A
Expired / Lapsed
US
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Composite bead element
Assignee: TDK Corp
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Filing: 1988-10-05
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Granted: 1989-07-04
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Expires: 2008-10-05
Abstract
Abstract A composite bead element comprises a chip-like magnetic body in a shape of a nearly rectangular parellelepiped in which a recess is provided, at least one feed-through holes formed in said body and an electronic component inserted in said recess. Bead inductors are formed by conductors provided in said feed-through holes, and said electronic component and said conductors are connected by predetermined conductors on a surface of said body.
Inventors
- 👤 Yoshinori Sasaki
- 👤 Toshihiro Kuroshima
- 👤 Sumio Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:31
CPC Classifications
H; H03; H03H; H03H1/00; H05; H05K; H05K1/00; H05K1/02; H05K1/0213; H05K1/0216; H05K1/023; H05K1/0233; H05K3/00; H05K3/30; H05K3/32; H05K3/34; H05K3/341; H05K3/3431; H05K3/3442; H05K1/03; H05K1/0306; H05K1/14; H05K1/141; H05K1/16; H05K1/165; H05K1/18; H05K1/182; H05K1/183; H05K2201/00; H05K2201/08; H05K2201/083; H05K2201/086; H05K2201/09; H05K2201/09009; H05K2201/09036; H05K2201/10; H05K2201/10007; H05K2201/10015; H05K2201/10227; H05K2201/1028; H05K2201/10613; H05K2201/10621; H05K2201/10636; H05K2201/10742; H05K2201/10886; H05K2201/10916; H05K3/40; H05K3/4007; H05K3/4015; Y; Y02; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
80 words
A composite bead element comprising: a chip-like magnetic body which has a shape of a nearly rectangular parallelepiped and has at least one recess on one surface; an electronic component mounted in each said recess; at least one feed-through hole formed in said body; conductors provided in said feed-through holes for forming bead inductors by said conductors and the magnetic body therearound; and said electronic component and said conductors are connected by predetermined conductors on a surface of said body.
Claim 2
Dependent Claim
80 words
A composite bead element comprising: a chip-like magnetic body which has a shape of a nearly rectangular parallelepiped and has at least one recess on one surface; an electronic component mounted in each said recess; at least one feed-through hole formed in said body; conductors provided in said feed-through holes for forming bead inductors by said conductors and the magnetic body therearound; and said electronic component and said conductors are connected by predetermined conductors on a surface of said body.
Claim 3
Dependent Claim
163 words
A composite bead element comprising: a chip-like magnetic body which has a shape of a nearly rectangular parallelepiped, and which comprises at least one recess provided on one surface thereof and at least one feed-through hole extending from said one surface to the opposite surface; an electronic component which comprises a planar upper surface and film-like external terminals on both end portions of said upper surface, and which is inserted in each said recess so that said upper surface coincides with said one surface; conductors for forming bead inductors which are provided in said feed-through holes; an interconnection network which includes extension conductors of the conductors for forming bead inductors and film-like connection conductors provided on edge portions of said recess such that they align with said external terminals in said recess; conductive pieces for bridging across said external terminals of said electronic component and said connection conductors; and solders for connecting said conductive pieces to said external terminals and said connection conductors.
Claim 4
Dependent Claim
163 words
A composite bead element comprising: a chip-like magnetic body which has a shape of a nearly rectangular parallelepiped, and which comprises at least one recess provided on one surface thereof and at least one feed-through hole extending from said one surface to the opposite surface; an electronic component which comprises a planar upper surface and film-like external terminals on both end portions of said upper surface, and which is inserted in each said recess so that said upper surface coincides with said one surface; conductors for forming bead inductors which are provided in said feed-through holes; an interconnection network which includes extension conductors of the conductors for forming bead inductors and film-like connection conductors provided on edge portions of said recess such that they align with said external terminals in said recess; conductive pieces for bridging across said external terminals of said electronic component and said connection conductors; and solders for connecting said conductive pieces to said external terminals and said connection conductors.
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) | 1992-07-03 | 1993-01-02 | 1993-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-03 | 1997-01-02 | 1997-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-03 | 2001-01-02 | 2001-07-04 | $7700.00 | Window Closed / Lapsed |