CN102711422A - Denoising ferrite sheet - Google Patents
Denoising ferrite sheet Download PDFInfo
- Publication number
- CN102711422A CN102711422A CN2012100214548A CN201210021454A CN102711422A CN 102711422 A CN102711422 A CN 102711422A CN 2012100214548 A CN2012100214548 A CN 2012100214548A CN 201210021454 A CN201210021454 A CN 201210021454A CN 102711422 A CN102711422 A CN 102711422A
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- China
- Prior art keywords
- substrate
- ferrite
- sintered body
- denoising
- ferrite sintered
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention relates to the field of electric wave absorbers and particularly relates to a denoising ferrite sheet which is used for shielding radio waves and decreasing or removing signal noise in signal cables. The ferrite sheet comprises a substrate with a folding portion, a plurality of sintered ferrites formed on the substrate and bonding sheets which are formed on the substrate and located on peripheries of the sintered ferrites, wherein the substrate is divided into two parts by the folding portion, and the two parts of the substrate are bonded to each other through the bonding sheets when the substrate is folded along the folding portion; each of gaps among the sintered ferrites is large at two ends and small in the middle; the sintered ferrites are arranged symmetrically relative to the folding portion; the periphery of the substrate is provided with a bayonet and a buckle which are matched to each other, and the bayonet and the buckle are respectively located at the two parts of the substrate. The ferrite sheet has the advantages that the bonding force is provided on the peripheries of the sintered ferrites, then gaps between the sintered ferrites and signal cables are small, impedance difference due to the fact that positions and the bonding force of sintered ferrite groups are different is balanced, and the signal noise can be effectively decreased or removed.
Description
Technical field
The present invention relates to the wave absorber field, relate in particular to a kind ofly be used for signal cable, with radio wave shield, reduction or remove the denoising ferrite sheet of signal noise.
Background technology
In order to prevent that noise from leaking out or getting into electronic component, need add wave absorber in the signal cable outside, such as ferrite sintered body.Yet have big gap between ferrite sintered body and the signal cable, reduced impedance, inhale the electric wave effect relatively poor, can not effectively remove signal noise.Use folding substrate structure, ferrite sintered body is fixed on the substrate, after folding signal cable is placed between the two-layer ferrite sintered body, still can not overcome the big problem of ferrite and signal cable gap.
Summary of the invention
The objective of the invention is to overcome the problems referred to above, provide a kind of by pull-out capacity being provided around the ferrite sintered body so that ferrite sintered body is little with the gap of signal cable, the different resistance differences that bring of balance ferrite sintered body group diverse location pull-out capacity, effectively reduce or the denoising ferrite sheet of removal signal noise.
Be to realize above-mentioned purpose, the technical scheme that the present invention adopted is: the denoising ferrite sheet is characterized in that: comprise the tool folding part substrate, be formed at on-chip a plurality of ferrite sintered body, be formed at substrate and be positioned at the bonding sheet around the ferrite sintered body; The folding part is with the substrate dimidiation, and when described substrate was folding along the folding part, bonding sheet bondd the two halves of substrate each other; Gap between the ferrite sintered body is that big centre, two is little.
Aforesaid denoising ferrite sheet, described ferrite sintered body is symmetrical set with respect to the folding part.
Aforesaid denoising ferrite sheet, described substrate edge are provided with bayonet socket and the buckle that cooperatively interacts, and bayonet socket and buckle lay respectively at the two halves of substrate.
Beneficial effect of the present invention: by bonding sheet around the ferrite sintered body and gripping mechanism provide two halves that pull-out capacity makes substrate near; And then the ferrite sintered body group and the signal cable that make the symmetry that is divided into the substrate two halves near, impedance is big effectively to reduce or remove signal noise; Consider that simultaneously pull-out capacity is provided by the edge of substrate; The pull-out capacity at substrate middle part is less relatively to cause the gap relatively large; The little structure in big centre, two is adopted in gap between the ferrite sintered body; The resistance difference that ability active balance ferrite sintered body group diverse location pull-out capacity difference is brought makes the denoising ferrite sheet that the suction electric wave effect of stability and high efficiency is provided.
Description of drawings
Fig. 1 is the structural representation of denoising ferrite sheet of the present invention;
Wherein, 1 substrate, 2 folding parts, 3 signal cables, 4 ferrite sintered bodies, 5 buckles, 6 bayonet sockets, 7 bonding sheets.
Embodiment
Fig. 1 is the preferred embodiments of the present invention, below in conjunction with accompanying drawing the present invention is further described: wherein, and 1 substrate, 2 folding parts, 3 signal cables, 4 ferrite sintered bodies, 5 buckles, 6 bayonet sockets, 7 bonding sheets.
According to Fig. 1, the denoising ferrite sheet is characterized in that: comprise tool folding part 2 substrate 1, be formed at a plurality of ferrite sintered bodies 4 on the substrate 1, be formed at substrate 1 and be positioned at the bonding sheet 7 around the ferrite sintered body 4; Signal cable 3 places the top of the ferrite sintered body 4 of substrate 1, and part folding part 2 is not shown among Fig. 1, and the vertical of substrate 1 run through in folding part 2.Folding part 2 is substrate 1 dimidiation, when described substrate 1 along the folding part 2 when folding, bonding sheet 7 bonds the two halves of substrate 1 each other; Gap between the ferrite sintered body 4 is that big centre, two is little; A plurality of ferrite sintered bodies 4 constitute the ferrite sintered body group; Ferrite sintered body 4 is symmetrical set with respect to folding part 2; Substrate 1 edge is provided with the bayonet socket that cooperatively interacts 6 and buckle 5, and bayonet socket 6 and buckle 5 lay respectively at the two halves of substrate 1, when substrate 1 along the folding part 2 when folding, bayonet socket 6 combines to compress the two halves of substrate 1 with buckle 5.
By bonding sheet around the ferrite sintered body 47 and gripping mechanism provide two halves that pull-out capacity makes substrate 1 near, and then the ferrite sintered body group and the signal cable 3 that make the symmetry that is divided into substrate 1 two halves near, impedance is big effectively to reduce or remove signal noise; Consider that simultaneously pull-out capacity is provided by the edge of substrate 1; The pull-out capacity at substrate 1 middle part is less relatively to cause the gap of ferrite sintered body group and signal cable 3 at middle part relatively large; Therefore the little structure in big centre, two is adopted in the gap between the ferrite sintered body 4; The resistance difference that ability active balance ferrite sintered body group diverse location pull-out capacity difference is brought makes the denoising ferrite sheet that the suction electric wave effect of stability and high efficiency is provided.
The foregoing description does not limit the present invention in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop on protection scope of the present invention.
Claims (3)
1. denoising ferrite sheet is characterized in that: comprise the tool folding part substrate, be formed at on-chip a plurality of ferrite sintered body, be formed at substrate and be positioned at the bonding sheet around the ferrite sintered body; The folding part is with the substrate dimidiation, and when described substrate was folding along the folding part, bonding sheet bondd the two halves of substrate each other; Gap between the ferrite sintered body is that big centre, two is little.
2. denoising ferrite sheet according to claim 1 is characterized in that: described ferrite sintered body is symmetrical set with respect to the folding part.
3. denoising ferrite sheet according to claim 1 is characterized in that: described substrate edge is provided with bayonet socket and the buckle that cooperatively interacts, and bayonet socket and buckle lay respectively at the two halves of substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100214548A CN102711422A (en) | 2012-01-31 | 2012-01-31 | Denoising ferrite sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100214548A CN102711422A (en) | 2012-01-31 | 2012-01-31 | Denoising ferrite sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102711422A true CN102711422A (en) | 2012-10-03 |
Family
ID=46903916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100214548A Pending CN102711422A (en) | 2012-01-31 | 2012-01-31 | Denoising ferrite sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102711422A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001167933A (en) * | 1999-12-06 | 2001-06-22 | Tdk Corp | Part for restraining electromagnetic noise |
| CN101213896A (en) * | 2005-07-07 | 2008-07-02 | 株式会社村田制作所 | Ferrite sheet |
| CN202425285U (en) * | 2012-01-31 | 2012-09-05 | 鸿康磁业电子（昆山）有限公司 | Denoising ferrite sheet |
-
2012
- 2012-01-31 CN CN2012100214548A patent/CN102711422A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001167933A (en) * | 1999-12-06 | 2001-06-22 | Tdk Corp | Part for restraining electromagnetic noise |
| CN101213896A (en) * | 2005-07-07 | 2008-07-02 | 株式会社村田制作所 | Ferrite sheet |
| CN202425285U (en) * | 2012-01-31 | 2012-09-05 | 鸿康磁业电子（昆山）有限公司 | Denoising ferrite sheet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121003 |