JP2021068279A - 磁性シート及び無線通信用タグ - Google Patents
磁性シート及び無線通信用タグ Download PDFInfo
- Publication number
- JP2021068279A JP2021068279A JP2019194354A JP2019194354A JP2021068279A JP 2021068279 A JP2021068279 A JP 2021068279A JP 2019194354 A JP2019194354 A JP 2019194354A JP 2019194354 A JP2019194354 A JP 2019194354A JP 2021068279 A JP2021068279 A JP 2021068279A
- Authority
- JP
- Japan
- Prior art keywords
- metal
- magnetic
- layer
- wireless communication
- magnetic sheet
- 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.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 107
- 229910052751 metal Inorganic materials 0.000 claims abstract description 125
- 239000002184 metal Substances 0.000 claims abstract description 125
- 239000011888 foil Substances 0.000 claims abstract description 38
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 34
- 239000010410 layer Substances 0.000 claims description 132
- 230000035699 permeability Effects 0.000 claims description 32
- 239000000696 magnetic material Substances 0.000 claims description 30
- 239000004020 conductor Substances 0.000 claims description 29
- 239000012790 adhesive layer Substances 0.000 claims description 16
- 230000007423 decrease Effects 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 abstract description 8
- 230000004907 flux Effects 0.000 description 19
- 239000000463 material Substances 0.000 description 19
- 229910000859 α-Fe Inorganic materials 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010030 laminating Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 4
- 239000006247 magnetic powder Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229910000889 permalloy Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052596 spinel Inorganic materials 0.000 description 2
- 239000011029 spinel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 etc. Inorganic materials 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Abstract
Description
3 無線通信用タグ
10 金属パターン層
11 磁性体層
12 導電体層
13 金属箔
14 開口部
15 接着層
16 保護材層(接着層)
20 無線通信用アンテナ
30 リーダ/ライタ
40 設置面
Claims (7)
- 無線通信用アンテナに積層して用いられる磁性シートであって、複数の金属箔が開口部によって電気的に絶縁されて配列された金属パターン層と、磁性体層と、導電体層とが順に積層されたことを特徴とする磁性シート。
- 前記金属パターン層において、金属パターン層の面積のうち開口部の面積の割合である開口率が0.1〜50%である請求項1に記載の磁性シート。
- 前記金属パターン層が、多角形、円形の金属箔や、それらの組み合わせによって形成された請求項1又は2に記載の磁性シート。
- 金属パターン層と、磁性体層と、導電体層とが接着層を介して積層された請求項1〜3のいずれかに記載された磁性シート。
- 前記磁性シートに含まれる、金属パターン層及び導電体層による実効透磁率の減少と、前記磁性体層による実効透磁率の増加とが相殺される請求項1〜4のいずれかに記載の磁性シート。
- 金属面上で測定される実効透磁率と非金属面上で測定される実効透磁率の両方が0.8〜1.2である請求項1〜5のいずれかに記載の磁性シート。
- 無線通信用アンテナ層と、複数の金属箔が開口部によって電気的に絶縁されて配列された金属パターン層と、磁性体層と、導電体層とが順に積層された無線通信用タグ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019194354A JP2021068279A (ja) | 2019-10-25 | 2019-10-25 | 磁性シート及び無線通信用タグ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019194354A JP2021068279A (ja) | 2019-10-25 | 2019-10-25 | 磁性シート及び無線通信用タグ |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2021068279A true JP2021068279A (ja) | 2021-04-30 |
Family
ID=75637289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019194354A Pending JP2021068279A (ja) | 2019-10-25 | 2019-10-25 | 磁性シート及び無線通信用タグ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2021068279A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023074619A1 (ja) * | 2021-10-29 | 2023-05-04 | 富士フイルム株式会社 | 電磁波シールド材、電子部品、電子機器および電磁波シールド材の使用方法 |
-
2019
- 2019-10-25 JP JP2019194354A patent/JP2021068279A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023074619A1 (ja) * | 2021-10-29 | 2023-05-04 | 富士フイルム株式会社 | 電磁波シールド材、電子部品、電子機器および電磁波シールド材の使用方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7161542B2 (en) | Antenna for RFID | |
KR101795545B1 (ko) | 무선전력 수신모듈용 콤보 안테나유닛 및 이를 포함하는 무선전력 수신모듈 | |
JP4265114B2 (ja) | タグ用アンテナコイル | |
TWI258710B (en) | Antenna for reader/recorder and reader/recorder having the antenna | |
JP5029371B2 (ja) | アンテナ装置およびその調整方法 | |
JP5174424B2 (ja) | アンテナ回路及びその抵抗低減方法、並びにトランスポンダ | |
KR20060120631A (ko) | 자심 부재, 안테나 모듈 및 이것을 구비한 휴대형 통신단말 | |
KR102175375B1 (ko) | 무선전력 수신모듈용 어트랙터 및 이를 구비하는 무선전력 수신모듈 | |
US20100182144A1 (en) | Rfid magnetic sheet, noncontact ic card and portable mobile communication apparatus | |
KR101795546B1 (ko) | 무선충전용 차폐유닛 및 이를 포함하는 무선전력 전송모듈 | |
KR20040037127A (ko) | 안테나 코일 및 그것을 이용한 rfid 용 태그,트랜스폰더용 안테나 | |
KR101939663B1 (ko) | 무선충전용 자기장 차폐시트 및 이를 포함하는 무선전력 수신모듈 | |
JP2006295981A (ja) | リーダ/ライタ用アンテナ及び該アンテナを備えたリーダ/ライタ | |
US20190348203A1 (en) | Combined coil module and magnetic sheet | |
JP2007110290A (ja) | ループアンテナ | |
KR20160100786A (ko) | 콤보 안테나용 차폐유닛 및 이를 포함하는 무선전력 충전모듈 | |
JP2010200061A (ja) | アンテナ装置 | |
JP2021068279A (ja) | 磁性シート及び無線通信用タグ | |
JP2005006263A (ja) | 磁芯部材及びそれを用いたrfid用アンテナ | |
CN101308947A (zh) | 读/写器用天线及设有该天线的读/写器 | |
JP2006101370A (ja) | アンテナ装置 | |
JP5035080B2 (ja) | アンテナ装置の調整方法、製造方法、及びアンテナ装置 | |
JP2004038552A (ja) | 電子機器用ケース及び該ケースを備える電子機器 | |
US11962367B2 (en) | Antenna for transfer of information or energy | |
CN109840580A (zh) | 铁氧体薄膜电磁带隙超材料无线射频识别标签 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20221006 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230627 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20230630 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20230821 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20240110 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20240410 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20240419 |