CN114388174B - Multilayer conductive foam - Google Patents
Multilayer conductive foam Download PDFInfo
- Publication number
- CN114388174B CN114388174B CN202210076258.4A CN202210076258A CN114388174B CN 114388174 B CN114388174 B CN 114388174B CN 202210076258 A CN202210076258 A CN 202210076258A CN 114388174 B CN114388174 B CN 114388174B
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- CN
- China
- Prior art keywords
- foam
- layer
- cavity
- communicating pipe
- fire
- Prior art date
- 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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Links
- 239000006260 foam Substances 0.000 title claims abstract description 126
- 239000003063 flame retardant Substances 0.000 claims abstract description 44
- 239000010425 asbestos Substances 0.000 claims description 37
- 229910052895 riebeckite Inorganic materials 0.000 claims description 37
- 239000000843 powder Substances 0.000 claims description 33
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 32
- 239000002985 plastic film Substances 0.000 claims description 27
- 229920006255 plastic film Polymers 0.000 claims description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 abstract description 17
- 230000008094 contradictory effect Effects 0.000 abstract 1
- 239000002390 adhesive tape Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a multilayer conductive foam, which relates to the technical field of conductive foam, and has the advantage of increasing the flame retardance of the conductive foam, and the technical scheme is as follows: including bubble cotton body and conducting layer, the conducting layer parcel is in the surface of bubble cotton body, the bubble cotton body includes first bubble cotton, second bubble cotton, one side is equipped with the wearing layer outside the conducting layer, and the opposite side is equipped with double-sided tape, the second bubble is cotton to be close to double-sided tape and distributes, be equipped with fire-retardant layer between first bubble cotton and the second bubble cotton, be equipped with the cavity in the second bubble cotton, the second bubble is equipped with a plurality of communicating pipes with fire-retardant layer intercommunication in one side of contradicting with fire-retardant layer, communicating pipe intercommunication cavity and fire-retardant layer, when the temperature risees, fire-retardant layer part gets into in the cavity through communicating pipe.
Description
Technical Field
The invention relates to the technical field of conductive foam, in particular to multilayer conductive foam.
Background
The conductive foam is formed by wrapping conductive cloth on a flame-retardant sponge, and after a series of treatments, the conductive foam has good surface conductivity and can be easily fixed on a device to be shielded by using an adhesive tape. Shielding materials with different cross-sectional shapes, mounting methods, UL ratings and shielding effectiveness can be selected, and the conductive foam can be classified into a common conductive foam, a nickel-plated copper conductive foam, a gold-plated conductive foam, a carbon-plated conductive foam, a tin-plated conductive foam, a conductive aluminum foil foam, a conductive copper foil foam, an omnibearing conductive foam, an SMT conductive foam, an I/O conductive foam pad, and the like.
However, with the continuous development of electronic technology, electronic products are continuously updated, the working speed and efficiency are higher and higher, and the heating value is also higher and higher, so that the conductive foam is required to have flame retardant capability so as to avoid inflammable phenomenon caused by overhigh temperature.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide the multilayer conductive foam which has the advantage of increasing the flame retardance of the conductive foam.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a multilayer conductive foam, which comprises a foam body and a conductive layer, wherein the conductive layer is wrapped on the outer surface of the foam body, the foam body comprises a first foam and a second foam, a wear-resistant layer is arranged on one side outside the conductive layer, a double-sided adhesive tape is arranged on the other side of the conductive layer, the second foam is distributed close to the double-sided adhesive tape, a flame-retardant layer is arranged between the first foam and the second foam, a cavity is arranged in the second foam, a plurality of communicating pipes which are communicated with the flame-retardant layer are arranged on one side of the second foam, which is abutted against the flame-retardant layer, the communicating pipes are communicated with the cavity and the flame-retardant layer, and when the temperature rises, the flame-retardant layer partially enters the cavity through the communicating pipes.
Through adopting above-mentioned technical scheme, during the use, paste the cotton with multilayer conductive foam through double-sided tape and fix on the electrical component of required shielding, the wearing layer is in the outside, can protect conductive foam wholly, reduce the condition that the conductive layer was scratched and take place, flame retardant coating's setting has increased the fire-retardant effect of the conductive foam of multilayer, when conductive foam temperature rose, flame retardant coating part gets into in the cavity through communicating pipe, and the second bubble is cotton to be close to electrical component and then makes the second bubble have fire-retardant effect this moment, further increases conductive foam fire resistance.
Preferably, the flame retardant layer comprises a hollow asbestos block arranged between the first foam and the second foam and asbestos powder filled in the asbestos block, one end of the communicating pipe extends into the asbestos block, and a sealing piece for opening and closing the communicating pipe is arranged on the inner wall of the cavity.
Preferably, the sealing piece comprises a plastic film arranged on the inner wall of the cavity and sealing the orifice of the communicating pipe, a first bimetallic strip is arranged on the inner wall of the cavity at a position close to the communicating pipe, one end of the first bimetallic strip extends to the orifice of the communicating pipe and is provided with blades distributed towards the plastic film, the blades are arranged on one side of a passive layer of the first bimetallic strip, and the passive layer of the first bimetallic strip faces one side of the plastic film.
Preferably, a second bimetallic strip is arranged on one side of the inner wall of the cavity far away from the first bimetallic strip, and an active layer of the second bimetallic strip is connected with one side of the plastic film.
Preferably, a placing cavity is formed in the first foam, and an asbestos powder layer is arranged in the placing cavity.
Preferably, the first foam is provided with a powder guide tube communicated with the asbestos block, and the powder guide tube is communicated with the placing cavity.
Preferably, the cavity is internally provided with a reinforcing rib, the reinforcing rib is hollow and is communicated with the communicating pipe, the outer wall of the reinforcing rib is provided with a plurality of powder outlets, the plastic film seals the powder outlets, the first bimetallic strip is arranged on the reinforcing rib, and the blade is opposite to the plastic film.
Preferably, the two sides of the asbestos block are provided with supporting strips which are abutted against the first foam and the second foam.
Preferably, the first foam and the second foam are PU flame-retardant foam.
Preferably, the surface of the wear-resistant layer is provided with a plurality of wavy wear-resistant bulges.
The invention has the beneficial effects that: during the use, paste the cotton with the multilayer conductive foam and fix on the electrical component of required shielding through double-sided tape, the wearing layer is in the outside, can protect conductive foam wholly, reduce the condition that the conductive layer was scratched and take place, flame retardant layer's setting has increased the cotton flame retardant efficiency of multilayer conductive foam, when conductive foam temperature rose, flame retardant layer part gets into in the cavity through communicating pipe, and the second bubble is cotton to be close to electrical component and then makes the second bubble cotton have flame retardant efficiency this moment, further increases conductive foam fire resistance.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present embodiment;
FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;
fig. 3 is a schematic structural diagram of the second bimetal for embodying the present embodiment;
fig. 4 is a schematic structural view of the reinforcing rib according to the present embodiment;
fig. 5 is an enlarged schematic view of the portion B in fig. 4.
Reference numerals illustrate:
in the figure: 1. a conductive layer; 11. a first foam; 12. a second foam; 13. a wear-resistant layer; 14. double-sided tape; 15. a cavity; 151. a communicating pipe; 152. asbestos pieces; 153. a plastic film; 154. a first bimetal; 155. a blade; 156. a second bimetal; 16. a placement cavity; 161. an asbestos powder layer; 162. a powder guide tube; 17. reinforcing ribs; 171. a powder outlet; 18. a support bar; 19. a protrusion.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A multilayer conductive foam, as shown in fig. 1 and 2, comprises a foam body and a conductive layer 1, wherein the conductive layer 1 is wrapped on the outer surface of the foam body and is bonded with the foam body through conductive adhesive, the foam body comprises a first foam 11 and a second foam 12, a wear-resistant layer 13 is arranged on one side outside the conductive layer 1, a double-sided adhesive tape 14 is arranged on the other side of the conductive layer, the second foam 12 is distributed near the double-sided adhesive tape 14, a flame-retardant layer is arranged between the first foam 11 and the second foam 12, a cavity 15 is arranged in the second foam 12, a plurality of communicating pipes 151 communicated with the flame-retardant layer are arranged on one side of the second foam 12, which is in contact with the flame-retardant layer, the communicating pipes 151 are communicated with the cavity 15 and the flame-retardant layer, and when the temperature rises, the flame-retardant layer partially enters the cavity 15 through the communicating pipes 151. At this time, when the conductive foam is fixed on the electrical component, the flame retardant layer is located above the second foam 12, at this time, the communicating pipe 151 is vertically distributed, or when the flame retardant layer is located at one side of the second foam 12, the communicating pipe 151 is obliquely arranged, and the lower end is distributed near the cavity 15, and the volume of the cavity 15 is smaller than that of the flame retardant layer.
When in use, the multilayer conductive foam is stuck and fixed on the electrical component to be shielded through the double-sided tape 14, the wear-resistant layer 13 is arranged at the outermost side, the whole conductive foam can be protected, the condition that the conductive layer 1 is scratched is reduced, the flame-retardant effect of the multilayer conductive foam is enhanced by the arrangement of the flame-retardant layer, when the temperature of the conductive foam is increased, the flame-retardant layer part enters the cavity 15 through the communicating pipe 151, and at the moment, the second foam 12 is close to the electrical component, so that the second foam 12 has the flame-retardant effect, and the flame retardance of the conductive foam is further enhanced.
As shown in fig. 1 and 2, the flame retardant layer includes a hollow asbestos block 152 disposed between the first foam 11 and the second foam 12 and asbestos powder filled in the asbestos block 152, one end of the communication pipe 151 extends into the asbestos block 152, and a closure member for opening and closing the communication pipe 151 is provided on an inner wall of the cavity 15. At this time, the volume of the cavity 15 is smaller than the volume of the asbestos powder, when the communicating pipe 151 is opened by the closing member, the asbestos powder flows into the cavity 15 from the communicating pipe 151, the flame retardance of the second foam 12 is increased, and the arrangement of the asbestos block 152 increases the overall flame retardance of the conductive foam. The provision of the communication tube 151 also increases the connection between the flame retardant layer and the second foam 12. The first and second foam pieces 11 and 12 are bonded to the asbestos pieces 152 by conductive adhesive, which is not shown in the drawings.
As shown in fig. 1 and 2, the sealing member includes a plastic film 153 disposed on an inner wall of the cavity 15 and sealing a mouth of the communicating tube 151, the inner wall of the cavity 15 is provided with a first bimetal 154 at a position close to the communicating tube 151, one end of the first bimetal 154 extends to the mouth of the communicating tube 151 and is provided with blades 155 distributed towards the plastic film 153, the blades 155 are disposed on one side of a passive layer of the first bimetal 154, and the passive layer of the first bimetal 154 faces one side of the plastic film 153. At this time, the plastic film 153 limits the flow of asbestos powder in the communicating tube 151, when the temperature of the second foam 12 increases, the temperature of the first bimetallic strip 154 also increases, the deformation of the active layer of the first bimetallic strip 154 is greater than that of the passive layer, so that the whole of the first bimetallic strip 154 bends towards one side of the passive layer, at this time, the blade 155 is convenient to collide with the plastic film 153, and then the plastic film 153 is cut, so that the asbestos powder flows out of the communicating tube 151 into the cavity 15, further the flame retardance of the second foam 12 is improved, and the heat transfer to the first foam 11 is reduced. When the temperature of the second foam 12 is not increased, a gap exists between the blade 155 on the first bimetal 154 and the plastic film 153.
As shown in fig. 3, the inner wall of the cavity 15 is provided with a second bimetal 156 at a side far from the first bimetal 154, and an active layer of the second bimetal 156 is connected with one side of the plastic film 153. At this time, when the temperature increases, the deformation of the active layer of the second bimetal 156 is greater than the deformation of the passive layer, so that the whole of the second bimetal 156 bends towards the passive layer, at this time, the second bimetal 156 is convenient to drive the plastic film 153 to move towards the blade 155, and after the blade 155 cuts the plastic film 153, the notch of the plastic film 153 is driven to be large, so that asbestos powder is convenient to enter the cavity 15 through the communicating tube 151.
As shown in fig. 1 and 2, a placing cavity 16 is formed in the first foam 11, and an asbestos powder layer 161 is formed in the placing cavity 16. The asbestos powder layer 161 increases the flame retardancy of the first foam 11 at this time. In addition, the first foam 11 is provided with a powder guiding tube 162 which is communicated with the asbestos block 152, and the powder guiding tube 162 is communicated with the placing cavity 16. At this time, when the asbestos powder in the asbestos block 152 enters the cavity 15 through the communication pipe 151, the asbestos powder in the first foam 11 is transferred into the asbestos block 152 by the powder guide pipe 162.
As shown in fig. 4 and 5, the cavity 15 is provided with a reinforcing rib 17, the reinforcing rib 17 is hollow, the hollow reinforcing rib 17 is communicated with the communicating pipe 151, the outer wall of the reinforcing rib 17 is provided with a plurality of powder outlets 171, the plastic film 153 seals the powder outlets 171, the first bimetallic strip 154 is arranged on the reinforcing rib 17, and the blade 155 is opposite to the plastic film 153. The setting of strengthening rib 17 increases the intensity of second bubble cotton 12 at this moment, and the powder outlet 171 on the strengthening rib 17 is convenient for the asbestos powder flow out in addition, only need blade 155 cut plastic film 153 can, at this moment, also be convenient for the flow of asbestos powder when increasing the intensity of second bubble cotton 12.
As shown in fig. 4 and 5, both sides of the asbestos block 152 are provided with support bars 18 which are abutted against the first foam 11 and the second foam 12. The arrangement of the support bars 18 increases the strength of the connection between the first foam 11 and the second foam 12.
As shown in fig. 4 and 5, the first foam 11 and the second foam 12 are PU flame retardant foam. Further increases the flame retardance of the conductive foam.
As shown in fig. 4 and 5, the surface of the wear-resistant layer 13 is provided with a number of wavy wear-resistant protrusions 19. The outer surface of the conductive foam is wear-resistant, and the service cycle is prolonged.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. The utility model provides a multilayer conductive foam, includes foam body and conducting layer (1), conducting layer (1) parcel is at the surface of foam body, foam body includes first foam (11), second foam (12), one side is equipped with wearing layer (13) outward of conducting layer (1), and the opposite side is equipped with double-sided tape (14), its characterized in that, second foam (12) are close to double-sided tape (14) and distribute, be equipped with fire-retardant layer between first foam (11) and second foam (12), be equipped with cavity (15) in second foam (12), second foam (12) are equipped with a plurality of communicating pipes (151) with fire-retardant layer intercommunication in the side that contradicts with fire-retardant layer, communicating pipe (151) intercommunication cavity (15) and fire-retardant layer, when the temperature risees, fire-retardant layer part gets into in cavity (15) through communicating pipe (151);
the flame-retardant layer comprises a hollow asbestos block (152) arranged between the first foam (11) and the second foam (12) and asbestos powder filled in the asbestos block (152), one end of the communicating pipe (151) extends into the asbestos block (152), and a sealing piece for opening and closing the communicating pipe (151) is arranged on the inner wall of the cavity (15);
the sealing piece comprises a plastic film (153) which is arranged on the inner wall of the cavity (15) and seals the pipe orifice of the communicating pipe (151), a first bimetallic strip (154) is arranged on the inner wall of the cavity (15) at a position close to the communicating pipe (151), one end of the first bimetallic strip (154) extends to the pipe orifice of the communicating pipe (151) and is provided with blades (155) distributed towards the plastic film (153), the blades (155) are arranged on one side of a passive layer of the first bimetallic strip (154), and the passive layer of the first bimetallic strip (154) faces one side of the plastic film (153);
the inner wall of the cavity (15) is provided with a second bimetallic strip (156) at one side far away from the first bimetallic strip (154), and an active layer of the second bimetallic strip (156) is connected with one side of the plastic film (153).
2. A multi-layer conductive foam according to claim 1, wherein a placing cavity (16) is formed in the first foam (11), and an asbestos powder layer (161) is formed in the placing cavity (16).
3. A multilayer conductive foam according to claim 2, characterized in that the first foam (11) is provided with a powder guiding tube (162) communicating with the inside of the asbestos block (152), the powder guiding tube (162) communicating with the placement cavity (16).
4. The multilayer conductive foam according to claim 1, wherein a reinforcing rib (17) is arranged in the cavity (15), the reinforcing rib (17) is arranged in a hollow mode, the hollow reinforcing rib (17) is communicated with the communicating pipe (151), a plurality of powder outlets (171) are formed in the outer wall of the reinforcing rib (17), the powder outlets (171) are sealed by the plastic film (153), the first bimetallic strip (154) is arranged on the reinforcing rib (17), and the blade (155) is opposite to the plastic film (153).
5. A multi-layered conductive foam according to claim 3, wherein the asbestos pieces (152) are provided on both sides with support strips (18) which abut the first foam (11) and the second foam (12).
6. A multi-layer conductive foam according to claim 1, wherein the first foam (11) and the second foam (12) are PU flame retardant foam.
7. A multi-layer conductive foam according to claim 1, characterized in that the surface of the wear-resistant layer (13) is provided with a number of wavy wear-resistant protrusions (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210076258.4A CN114388174B (en) | 2022-01-24 | 2022-01-24 | Multilayer conductive foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210076258.4A CN114388174B (en) | 2022-01-24 | 2022-01-24 | Multilayer conductive foam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114388174A CN114388174A (en) | 2022-04-22 |
| CN114388174B true CN114388174B (en) | 2023-12-05 |
Family
ID=81203280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210076258.4A Active CN114388174B (en) | 2022-01-24 | 2022-01-24 | Multilayer conductive foam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114388174B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114724777B (en) * | 2022-05-06 | 2023-04-11 | 苏州久鋐电子有限公司 | Production process of integral isolation shock absorption foam with good insulation performance |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1446044A (en) * | 2002-03-11 | 2003-10-01 | 赫尔穆特·卡尔 | Equipment cover with one electromagnetic shielding area |
| CN101073695A (en) * | 2007-06-11 | 2007-11-21 | 青岛大学 | Shock-wave sand stone extinguishing cannon |
| CN203826791U (en) * | 2014-05-08 | 2014-09-10 | 温州金象电器设备有限公司 | Automatic fire-extinguishing switch cabinet |
| CN106297965A (en) * | 2016-08-16 | 2017-01-04 | 苏州市云林电子有限公司 | A kind of multilayer conductive foam |
| CN208657260U (en) * | 2018-07-26 | 2019-03-26 | 昆山锦悦电子有限公司 | A kind of multilayer conductive foam |
| CN212044977U (en) * | 2019-12-30 | 2020-12-01 | 福清市诚烨电子有限公司 | Cutting device is used in cotton production of electricity bubble |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7060348B2 (en) * | 2002-03-08 | 2006-06-13 | Laird Technologies, Inc. | Flame retardant, electrically conductive shielding materials and methods of making the same |
-
2022
- 2022-01-24 CN CN202210076258.4A patent/CN114388174B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1446044A (en) * | 2002-03-11 | 2003-10-01 | 赫尔穆特·卡尔 | Equipment cover with one electromagnetic shielding area |
| CN101073695A (en) * | 2007-06-11 | 2007-11-21 | 青岛大学 | Shock-wave sand stone extinguishing cannon |
| CN203826791U (en) * | 2014-05-08 | 2014-09-10 | 温州金象电器设备有限公司 | Automatic fire-extinguishing switch cabinet |
| CN106297965A (en) * | 2016-08-16 | 2017-01-04 | 苏州市云林电子有限公司 | A kind of multilayer conductive foam |
| CN208657260U (en) * | 2018-07-26 | 2019-03-26 | 昆山锦悦电子有限公司 | A kind of multilayer conductive foam |
| CN212044977U (en) * | 2019-12-30 | 2020-12-01 | 福清市诚烨电子有限公司 | Cutting device is used in cotton production of electricity bubble |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114388174A (en) | 2022-04-22 |
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