JP2008135951A - Rfパウダー粒子、rfパウダー、およびrfパウダー含有基体 - Google Patents
Rfパウダー粒子、rfパウダー、およびrfパウダー含有基体 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/22—Capacitive coupling
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07775—Antenna details the antenna being on-chip
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07777—Antenna details the antenna being of the inductive type
- G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/01—Testing electronic circuits therein
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2283—Supports; Mounting means by structural association with other equipment or articles mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/005—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
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- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Signal Processing (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Coils Or Transformers For Communication (AREA)
- Near-Field Transmission Systems (AREA)
- Semiconductor Integrated Circuits (AREA)
- Burglar Alarm Systems (AREA)
Abstract
【解決手段】RFパウダー粒子は、基板22の絶縁面上に磁界結合素子としてのコイル24(インダクタンス要素)とこのコイルの両端に接続されるコンデンサ25(キャパシタンス要素)とを形成し、インダクタンス要素とキャパシタンス要素でタンク回路31を形成するように構成される。タンク回路31は、外部から与えらえる高周波の磁界に対して、条件に応じて共振状態の回路または非共振状態の回路として作用する。
【選択図】図2
Description
さらに本発明に係るRFパウダー含有基体によれば、紙やプラスチックからなる基体が異なる周波数の電磁界に感度を有する複数種類のRFパウダーを含んでいるため、複数のRFパウダーの配置と、複数のRFパウダーの異なる周波数の電磁界を識別することができる。それにより、基体が紙などの紙幣に応用したとき、偽造紙幣を容易に作ることができなくなる。また基体の中に複数のRFパウダーを配置し、配置と周波数と情報とを合わせることで、必要な情報を基体に持たせることができる。
11,12,13 RFパウダー粒子
21 RFパウダー粒子
22 基板
23 絶縁層
24 コイル
25 コンデンサ(キャパシタ)
27 絶縁膜
31 タンク回路
62 リーダ
63 読込みプローブ
Claims (12)
- 基板の絶縁面上に磁界結合素子としてのインダクタンス要素とこのインダクタンス要素の両端に接続されるキャパシタンス要素とを形成し、前記インダクタンス要素と前記キャパシタンス要素でタンク回路を形成したことを特徴とするRFパウダー粒子
- 前記インダクタンス要素は、前記絶縁面上に形成されたコイルで形成され、前記キャパシタンス要素は、前記コイルの内周側端と外周側端に間に接続され、かつ前記絶縁面上で対向する2つの電極により形成されることを特徴とする請求項1記載のRFパウダー粒子。
- 対向する2つの前記電極の間に絶縁膜が設けられ、この絶縁膜は前記コイルと前記キャパシタンス要素の電極との間を絶縁することを特徴とする請求項2記載のRFパウダー粒子。
- 前記キャパシタンス要素における対向する前記2つ電極のうち前記コイルの端部に接続される電極は前記絶縁膜の上側に設けられ、他方の電極は前記絶縁膜の下側に設けられることを特徴とする請求項1〜3のいずれか1項に記載のRFパウダー粒子。
- 前記キャパシタンス要素における対向する前記2つ電極のうち前記コイルの端部に接続される電極は前記絶縁膜の下側に設けられ、他方の電極は前記絶縁膜の上側に設けられることを特徴とする請求項1〜3のいずれか1項に記載のRFパウダー粒子。
- 前記基板は、表面に絶縁層が形成された半導体基板であることを請求項1〜5のいずれか1項に記載のRFパウダー粒子。
- 前記基板はガラス基板であることを特徴とする請求項1〜5のいずれか1項に記載のRFパウダー粒子。
- パウダーの態様で使用され、前記パウダーの各粒子は、基板上に、アンテナとしてのインダクタンス要素と、このインダクタンス要素の両端に接続されてタンク回路を形成するキャパシタンス要素とを備えることを特徴とするRFパウダー。
- 前記インダクタンス要素と前記キャパシタンス要素によって形成される前記タンク回路は外部から与えられる高周波電磁界に感応することを特徴とする請求項7記載のRFパウダー。
- RFパウダーを含有し、前記RFパウダーの各粒子が、基板上に、アンテナとしてのインダクタンス要素と、このインダクタンス要素の両端に接続されてタンク回路を形成するキャパシタンス要素とを備える基体であって、
前記基体に含有される前記RFパウダーの前記粒子のそれぞれは複数の異なる周波数のいずれかの周波数の電磁界に対して感応することを特徴とするRFパウダー含有基体。 - 前記基体は紙またはプラスチックからなることを特徴とする請求項10記載のRFパウダー含有基体。
- 前記基体は紙幣であることを特徴とする請求項11記載のRFパウダー含有基体。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006320337A JP2008135951A (ja) | 2006-11-28 | 2006-11-28 | Rfパウダー粒子、rfパウダー、およびrfパウダー含有基体 |
| PCT/JP2007/072750 WO2008065992A1 (fr) | 2006-11-28 | 2007-11-26 | Particule de poudre rf, poudre rf et base contenant une poudre rf |
| US12/516,643 US8933784B2 (en) | 2006-11-28 | 2007-11-26 | RF powder particle, RF powder, and RF powder-containing base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006320337A JP2008135951A (ja) | 2006-11-28 | 2006-11-28 | Rfパウダー粒子、rfパウダー、およびrfパウダー含有基体 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2008135951A true JP2008135951A (ja) | 2008-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006320337A Pending JP2008135951A (ja) | 2006-11-28 | 2006-11-28 | Rfパウダー粒子、rfパウダー、およびrfパウダー含有基体 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8933784B2 (ja) |
| JP (1) | JP2008135951A (ja) |
| WO (1) | WO2008065992A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090289229A1 (en) * | 2008-05-22 | 2009-11-26 | Philtech Inc. | RF powder-containing base |
| US8188924B2 (en) | 2008-05-22 | 2012-05-29 | Philtech Inc. | RF powder and method for manufacturing the same |
| WO2024202256A1 (ja) * | 2023-03-24 | 2024-10-03 | Tdk株式会社 | 電子部品 |
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| JP2008134694A (ja) * | 2006-11-27 | 2008-06-12 | Philtech Inc | Rfパウダーの付加方法およびrfパウダー付加基体シート |
| JP2008135446A (ja) | 2006-11-27 | 2008-06-12 | Philtech Inc | Rfパウダーの製造方法 |
| JP2008134695A (ja) * | 2006-11-27 | 2008-06-12 | Philtech Inc | 基体データ管理システム |
| JP2008135951A (ja) | 2006-11-28 | 2008-06-12 | Philtech Inc | Rfパウダー粒子、rfパウダー、およびrfパウダー含有基体 |
| JP2008134816A (ja) * | 2006-11-28 | 2008-06-12 | Philtech Inc | Rfパウダー粒子、rfパウダー、およびrfパウダーの励起方法 |
| JP2008134815A (ja) * | 2006-11-28 | 2008-06-12 | Philtech Inc | Rfパウダーの提供方法およびrfパウダー含有液 |
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2006
- 2006-11-28 JP JP2006320337A patent/JP2008135951A/ja active Pending
-
2007
- 2007-11-26 WO PCT/JP2007/072750 patent/WO2008065992A1/ja not_active Ceased
- 2007-11-26 US US12/516,643 patent/US8933784B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090289229A1 (en) * | 2008-05-22 | 2009-11-26 | Philtech Inc. | RF powder-containing base |
| US8154456B2 (en) * | 2008-05-22 | 2012-04-10 | Philtech Inc. | RF powder-containing base |
| US8188924B2 (en) | 2008-05-22 | 2012-05-29 | Philtech Inc. | RF powder and method for manufacturing the same |
| US8440487B2 (en) | 2008-05-22 | 2013-05-14 | Philtech Inc. | Methods for manufacturing radio frequency (RF) powder |
| US8477072B2 (en) | 2008-05-22 | 2013-07-02 | Philtech Inc. | Radio frequency (RF) particles |
| WO2024202256A1 (ja) * | 2023-03-24 | 2024-10-03 | Tdk株式会社 | 電子部品 |
Also Published As
| Publication number | Publication date |
|---|---|
| US8933784B2 (en) | 2015-01-13 |
| US20100067166A1 (en) | 2010-03-18 |
| WO2008065992A1 (fr) | 2008-06-05 |
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