JP2009253172A - 電磁波抑制材料及び電磁波抑制シート - Google Patents
電磁波抑制材料及び電磁波抑制シート Download PDFInfo
- Publication number
- JP2009253172A JP2009253172A JP2008101951A JP2008101951A JP2009253172A JP 2009253172 A JP2009253172 A JP 2009253172A JP 2008101951 A JP2008101951 A JP 2008101951A JP 2008101951 A JP2008101951 A JP 2008101951A JP 2009253172 A JP2009253172 A JP 2009253172A
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic wave
- wave suppression
- mol
- polyacrylamide gel
- ethylene glycol
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 51
- 230000002401 inhibitory effect Effects 0.000 title abstract 8
- 230000001629 suppression Effects 0.000 claims description 82
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 81
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 64
- 239000011780 sodium chloride Substances 0.000 claims description 32
- 229920002401 polyacrylamide Polymers 0.000 claims description 23
- 230000008014 freezing Effects 0.000 claims description 22
- 238000007710 freezing Methods 0.000 claims description 22
- 239000003792 electrolyte Substances 0.000 claims description 16
- 229920000058 polyacrylate Polymers 0.000 claims description 15
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 13
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 10
- 150000001298 alcohols Chemical class 0.000 claims description 9
- 230000000379 polymerizing effect Effects 0.000 claims 4
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000000499 gel Substances 0.000 description 22
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 11
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 10
- 230000008859 change Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000011259 mixed solution Substances 0.000 description 7
- 239000000178 monomer Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 6
- 239000003431 cross linking reagent Substances 0.000 description 6
- 239000008151 electrolyte solution Substances 0.000 description 6
- 239000003505 polymerization initiator Substances 0.000 description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 5
- 239000012935 ammoniumperoxodisulfate Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000001103 potassium chloride Substances 0.000 description 5
- 235000011164 potassium chloride Nutrition 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 150000002334 glycols Chemical class 0.000 description 4
- 239000003999 initiator Substances 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000006247 magnetic powder Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 235000002639 sodium chloride Nutrition 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- 235000010333 potassium nitrate Nutrition 0.000 description 2
- 239000004323 potassium nitrate Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 235000010344 sodium nitrate Nutrition 0.000 description 2
- 239000004317 sodium nitrate Substances 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 description 1
- 239000001639 calcium acetate Substances 0.000 description 1
- 235000011092 calcium acetate Nutrition 0.000 description 1
- 229960005147 calcium acetate Drugs 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000007785 strong electrolyte Substances 0.000 description 1
- 150000003509 tertiary alcohols Chemical class 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- H05K9/0094—Shielding materials being light-transmitting, e.g. transparent, translucent
-
- 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
- H05K9/0083—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/239—Complete cover or casing
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]
- Y10T428/249995—Constituent is in liquid form
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
【解決手段】電磁波抑制シート3は、電磁波抑制材料1が、防湿性を有する防湿フィルム2に充填され、防湿フィルム2の周囲が、所定の接着剤によりラミネートされて構成される。
【選択図】図1
Description
Claims (9)
- 電解質とアルコール類とを含有するアクリレート系高分子ゲルからなる電磁波抑制材料。
- 上記アクリレート系高分子ゲルは、アクリルアミドとN,N’−メチレンビスアクリルアミドとが重合されたポリアクリルアミドゲルであり、
当該ポリアクリルアミドゲルは、上記電解質として2〜4mol/Lの塩化ナトリウムと上記アルコール類として当該ポリアクリルアミドゲル100質量部に対して10〜35質量部のエチレングリコールとを含有し、且つ、当該ポリアクリルアミドゲルの凍結点が−20℃以下となる請求項1記載の電磁波抑制材料。 - 上記アクリレート系高分子ゲルは、アクリルアミドとN,N’−メチレンビスアクリルアミドとが重合されたポリアクリルアミドゲルであり、
当該ポリアクリルアミドゲルは、上記電解質として2mol/Lの塩化ナトリウムと、上記アルコール類として当該ポリアクリルアミドゲル100質量部に対して20〜35質量部のエチレングリコールとを含有する請求項1記載の電磁波抑制材料。 - 周波数0.1〜0.5GHzにおいて、電磁波の損失率が上記エチレングリコールの含有量の増加に伴って増加する請求項3記載の電磁波抑制材料。
- 上記アクリレート系高分子ゲルは、アクリルアミドとN,N’−メチレンビスアクリルアミドとが重合されたポリアクリルアミドゲルであり、
当該ポリアクリルアミドゲルは、上記電解質として3mol/Lの塩化ナトリウムと、上記アルコール類として当該ポリアクリルアミドゲル100質量部に対して15〜35質量部のエチレングリコールとを含有する請求項1記載の電磁波抑制材料。 - 周波数0.1〜0.5GHzにおいて、電磁波の損失率が上記エチレングリコールの含有量の増加に伴って増加する請求項5記載の電磁波抑制材料。
- 上記アクリレート系高分子ゲルは、アクリルアミドとN,N’−メチレンビスアクリルアミドとが重合されたポリアクリルアミドゲルであり、
当該ポリアクリルアミドゲルは、上記電解質として4mol/Lの塩化ナトリウムと、上記アルコール類として当該ポリアクリルアミドゲル100質量部に対して10〜35質量部のエチレングリコールとを含有する請求項1記載の電磁波抑制材料。 - 周波数0.1〜0.4GHzにおいて、電磁波の損失率が上記エチレングリコールの含有量の増加に伴って増加する請求項7記載の電磁波抑制材料。
- 請求項1乃至8の何れかに記載の電磁波抑制材料が防湿フィルムに封止されてなる電磁波抑制シート。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008101951A JP5134421B2 (ja) | 2008-04-09 | 2008-04-09 | 電磁波抑制材料及び電磁波抑制シート |
US12/597,822 US8334040B2 (en) | 2008-04-09 | 2008-12-02 | Electromagnetic wave suppression material and electromagnetic wave suppression sheet |
CN2008800155236A CN101683023B (zh) | 2008-04-09 | 2008-12-02 | 电磁波抑制材料及电磁波抑制片 |
PCT/JP2008/071861 WO2009125517A1 (ja) | 2008-04-09 | 2008-12-02 | 電磁波抑制材料及び電磁波抑制シート |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008101951A JP5134421B2 (ja) | 2008-04-09 | 2008-04-09 | 電磁波抑制材料及び電磁波抑制シート |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009253172A true JP2009253172A (ja) | 2009-10-29 |
JP5134421B2 JP5134421B2 (ja) | 2013-01-30 |
Family
ID=41161657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008101951A Active JP5134421B2 (ja) | 2008-04-09 | 2008-04-09 | 電磁波抑制材料及び電磁波抑制シート |
Country Status (4)
Country | Link |
---|---|
US (1) | US8334040B2 (ja) |
JP (1) | JP5134421B2 (ja) |
CN (1) | CN101683023B (ja) |
WO (1) | WO2009125517A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006073991A (ja) * | 2004-08-02 | 2006-03-16 | Sony Corp | 電磁波抑制材料、電磁波抑制デバイス、並びに電子機器 |
JP2006319048A (ja) * | 2005-05-11 | 2006-11-24 | Sony Corp | 電磁波抑制材料、電磁波抑制デバイス、並びに電子機器 |
JP2007027470A (ja) * | 2005-07-19 | 2007-02-01 | Sony Corp | 電磁波抑制材及び電子機器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3918371B2 (ja) * | 1999-07-19 | 2007-05-23 | 富士ゼロックス株式会社 | カラーフィルタ、表示素子、表示方法、および表示装置 |
-
2008
- 2008-04-09 JP JP2008101951A patent/JP5134421B2/ja active Active
- 2008-12-02 US US12/597,822 patent/US8334040B2/en active Active
- 2008-12-02 WO PCT/JP2008/071861 patent/WO2009125517A1/ja active Application Filing
- 2008-12-02 CN CN2008800155236A patent/CN101683023B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006073991A (ja) * | 2004-08-02 | 2006-03-16 | Sony Corp | 電磁波抑制材料、電磁波抑制デバイス、並びに電子機器 |
JP2006319048A (ja) * | 2005-05-11 | 2006-11-24 | Sony Corp | 電磁波抑制材料、電磁波抑制デバイス、並びに電子機器 |
JP2007027470A (ja) * | 2005-07-19 | 2007-02-01 | Sony Corp | 電磁波抑制材及び電子機器 |
Also Published As
Publication number | Publication date |
---|---|
WO2009125517A1 (ja) | 2009-10-15 |
CN101683023A (zh) | 2010-03-24 |
JP5134421B2 (ja) | 2013-01-30 |
US20100119814A1 (en) | 2010-05-13 |
CN101683023B (zh) | 2011-12-07 |
US8334040B2 (en) | 2012-12-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7959821B2 (en) | Electromagnetism suppressing material, electromagnetism suppressing device, and electronic appliance | |
RU2400953C1 (ru) | Материал и лист, экранирующие электромагнитные волны | |
Diana et al. | Investigations on Na-ion conducting electrolyte based on sodium alginate biopolymer for all-solid-state sodium-ion batteries | |
US20110260904A1 (en) | Electromagnetic wave absorber | |
US20210212243A1 (en) | Electromagnetic shielding film and method for making same | |
CN111919521A (zh) | 电波吸收材料以及电波吸收片 | |
JP5134421B2 (ja) | 電磁波抑制材料及び電磁波抑制シート | |
US8597483B2 (en) | Method for making a wave-absorbing sheet | |
JP4993380B2 (ja) | 電磁波抑制体及びその製造方法 | |
CN204183968U (zh) | 复合型电磁波吸收膜 | |
CN116505285A (zh) | 一种超宽带微波吸收体 | |
CN204335282U (zh) | 具有吸波功能的保护胶带 | |
CN104302159A (zh) | 宽频带多用途吸波膜 | |
CN211630732U (zh) | 一种复合型吸波屏蔽材料 | |
CN203105049U (zh) | 用于电磁波衰减的贴膜 | |
CN204560117U (zh) | 宽频带多用途吸波膜 | |
Folgueras et al. | Electromagnetic radiation absorbing paints based on carbonyl iron and polyaniline | |
JP2006319048A (ja) | 電磁波抑制材料、電磁波抑制デバイス、並びに電子機器 | |
JP2007109805A (ja) | 電磁波抑制部材及び半導体デバイス | |
CN204385119U (zh) | 耐击穿的复合胶带 | |
CN102290637A (zh) | 基于异向介质理论的双频吸收器 | |
CN105307463B (zh) | 一种电磁屏蔽吸波板和电磁屏蔽及吸波方法 | |
CN204291741U (zh) | 用于通信产品的贴膜 | |
RU2688894C1 (ru) | Электромагнитный экран | |
RU80088U1 (ru) | Радиопоглощающая структура |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110408 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120410 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120521 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120717 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120907 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20121016 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20121109 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20151116 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 5134421 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |