WO2013061985A1 - 可変容量素子および高周波デバイス - Google Patents
可変容量素子および高周波デバイス Download PDFInfo
- Publication number
- WO2013061985A1 WO2013061985A1 PCT/JP2012/077419 JP2012077419W WO2013061985A1 WO 2013061985 A1 WO2013061985 A1 WO 2013061985A1 JP 2012077419 W JP2012077419 W JP 2012077419W WO 2013061985 A1 WO2013061985 A1 WO 2013061985A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- variable capacitance
- resistance
- capacitance element
- film
- control voltage
- 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.)
- Ceased
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10336—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
-
- 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
-
- 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
- G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
- G06K19/0726—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement including a circuit for tuning the resonance frequency of an antenna on the record carrier
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/06—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture having a dielectric selected for the variation of its permittivity with applied voltage, i.e. ferroelectric capacitors
-
- 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
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- 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
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- 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
- H04B5/20—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
-
- 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
Definitions
- An object of the present invention is to solve the problem of distortion caused by an active element and the problem of an increase in IC size due to the complexity of the circuit configuration, and to provide a variable capacitance element with a control voltage application circuit and a high-frequency element that ensures reliability against impacts such as dropping To provide a device.
- the RF resistance element and the resistance-dividing resistance element can be independently set to optimum resistance values.
- FIG. 1 is a circuit diagram of a communication circuit 101 including a variable capacitance element and a high frequency device of the present invention.
- FIG. 2 is a detailed diagram of a circuit configured between the RFIC 11 and the antenna coil 13.
- FIG. 3 is an overall circuit diagram of the inside of the variable capacitance element 14.
- FIG. 4 is a diagram showing the relationship between the 5-bit value and the resistance voltage dividing ratio by the ports P21 to P25 shown in FIG.
- FIG. 5 is a cross-sectional view of the main part of the variable capacitance element 14.
- FIG. 6A shows a resistance film pattern of the resistance element 14B of the variable capacitance element portion
- FIG. 6B shows a resistance film pattern of the control voltage application circuit 14R.
- the RFIC 11 includes a GPIO (General Purpose Input / Output) IO terminal 11P.
- the control IC 12 includes a GPIO IO terminal 12P.
- the parallel circuit of the variable capacitance element 14 and the antenna coil 13 is connected to two RX terminals (reception signal terminals) of the RFIC 11.
- the resistance element R21 constitutes the upper arm of the resistance voltage dividing circuit
- the parallel circuit of the resistance elements R22 to R25 constitutes the lower arm.
- the parallel circuit of the resistance elements R21 and R22 constitutes the upper arm of the resistance voltage dividing circuit
- the resistance elements R23 to R25 The parallel circuit constitutes the lower arm.
- a wiring film TI2 is formed on the surface of the interlayer insulating film SR3.
- the wiring film TI2 is connected to the wiring film TI1 through a contact hole formed in the interlayer insulating films SR1, SR2, SR3.
- the ferroelectric film FS1 is an insulating film for adhesion and diffusion prevention with respect to the substrate SI and the moisture-resistant protective film PC1.
- the ferroelectric film FS3 is an insulating film for adhesion to the moisture resistant protective film PC1.
- a high melting point noble metal material having good conductivity and excellent oxidation resistance, for example, Pt and Au can be used.
- the wiring films TI1 and TI2 are composed of three layers of Ti / Cu / Ti, the Ti layer is formed to 100 nm, for example, and the Cu layer is formed to 1000 nm, for example.
- a 50 nm-thickness ferroelectric film FS1 for adhesion and diffusion prevention is formed on the oxide layer by a chemical solution deposition (hereinafter referred to as “CSD”) method.
- the film thickness of the ferroelectric film FS1 is not particularly limited as long as it can ensure desired adhesion and diffusion prevention properties, but is preferably set within a range of 10 to 100 nm.
- this capacitor part is heat-treated at a temperature of 800 ° C. for 30 minutes.
- the temperature of this heat treatment is not particularly limited as long as desired heat treatment characteristics can be obtained, but it is preferably set within a temperature range of 800 to 900 ° C.
- the heat treatment time is not particularly limited as long as desired heat treatment characteristics can be obtained, but is preferably set within a range of 10 to 60 minutes.
- a moisture-resistant protective film PC1 made of an inorganic material having a film thickness of 600 nm is formed by a sputtering method so as to cover the upper surface and side surfaces of the capacitor portion and the side surface of the ferroelectric film FS1, and then photosensitive by a spin coating method.
- a PBO (polybenzoxazole) film which is a resin material, is applied so as to cover the moisture-resistant protective film PC1, and then heated for 5 minutes at a temperature of 125 ° C., and subjected to exposure and development treatment. By heating for about an hour, the organic protective film PC2 having a predetermined pattern with a film thickness of 6000 nm is formed.
- the interlayer insulating film SR1 is spin-coated, and a resistance film to be the resistance element 14B of the variable capacitance element portion is formed by a thin film process such as sputtering or electron beam evaporation, or a thick film process by applying a paste,
- the resistance film is patterned by a lift-off method to form a resistance film pattern RE1.
- the interlayer insulating film SR3 is spin-coated to form a contact hole reaching the wiring film TI1.
- variable capacitance element and the control voltage application circuit are formed on a semiconductor substrate by a thin film process. That is, the variable capacitance element part and the control voltage application circuit part are integrally formed on a common substrate.
- the plurality of resistance elements constituting the control voltage application circuit are provided in the same layer and in the same process. Therefore, even if the resistance value of each resistance element deviates from a desired resistance value, variation in the ratio of each resistance value itself can be suppressed, and therefore the output voltage can be controlled with good reproducibility.
- the variable capacitance element includes a plurality of RF resistance elements connected in parallel to both ends of each ferroelectric capacitor. These RF resistance elements are different from the resistance patterns constituting the control voltage application circuit. These RF resistance elements are also provided in the same layer in the same process.
- a high-frequency device is configured by mounting the variable capacitance element built-in RFIC 110 on a substrate on which an antenna coil 13 (see FIG. 1) is formed.
- variable capacitance element may be independently connected in parallel to the antenna coil, but a capacitor may be inserted in series with the variable capacitance element. Moreover, you may connect in series with respect to the antenna coil.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
前記可変容量素子は、キャパシタ電極間に強誘電体膜が挟み込まれ、前記キャパシタ電極間に印加される制御電圧値に応じて容量値が変化する強誘電体キャパシタを備え、且つ、異なる抵抗値を持った複数の抵抗素子による抵抗分圧回路が構成され、前記可変容量素子に制御電圧を印加する制御電圧印加回路を備えた、
ことを特徴とする。
前記強誘電体キャパシタに接続されていて、異なる抵抗値を持った複数の抵抗素子を含み、前記強誘電体キャパシタの印加電圧値が複数通りに異なる制御電圧を印加する制御電圧印加回路を備えたことを特徴とする。
まず、Si基板に熱酸化処理を施し、膜厚700nmのSiO2からなる酸化物層を形成する。この酸化物層の膜厚は所望の絶縁性を確保できるような膜厚であれば特に限定されるものではないが、好ましくは500~1000nmの範囲内に設定される。
以上、本発明を具体的な実施の形態について説明したが、本発明はこの例に限定されるものではない。
C21,C22…キャパシタ
EE…外部接続電極
FS1,FS2,FS3…強誘電体膜
L11,L12…インダクタ
P11~P14…ポート
P21~P25…ポート
PC1…耐湿保護膜
PC2…有機保護膜
PT1,PT2…キャパシタ電極
R11~R17…RF抵抗素子(抵抗膜パターン)
R21~R25…抵抗素子(抵抗膜パターン)
RE1,RE2…抵抗膜パターン
SB…半田ボール
SR1~SR3…層間絶縁膜
SR4…ソルダーレジスト膜
TI1,TI2…配線膜
11…RFIC
11P…IO端子
12…制御IC
12P…IO端子
13…アンテナコイル
14…可変容量素子
14B…可変容量素子部の抵抗素子
14C…可変容量部
14P…制御端子
14R…制御電圧印加回路
15A,15B…信号ライン
16…データ伝送ライン
17A,17B…ESD保護素子
20…実装用再配線基板
21…再配線用電極
22…実装用端子
101…通信回路
110…可変容量素子内蔵RFIC
Claims (6)
- アンテナコイルと、前記アンテナコイルを含むアンテナ回路の共振周波数を変化させる可変容量素子と、前記可変容量素子に接続されたRFICと、を有する高周波デバイスであって、
前記可変容量素子は、キャパシタ電極間に強誘電体膜が挟み込まれ、前記キャパシタ電極間に印加される制御電圧値に応じて容量値が変化する強誘電体キャパシタを備え、且つ、異なる抵抗値を持った複数の抵抗素子による抵抗分圧回路が構成され、前記可変容量素子に制御電圧を印加する制御電圧印加回路を備えた、
ことを特徴とする高周波デバイス。 - 前記複数の抵抗素子は、各抵抗素子の第1端が前記制御電圧印加回路に接続されていて、第2端が前記RFICのIO端子にそれぞれ接続されている、請求項1に記載の高周波デバイス。
- 前記複数の抵抗素子は基板上に設けられた抵抗パターンであり、各抵抗パターンは、前記複数の抵抗素子の抵抗値が、それらの抵抗値のうち最も低いものを基準として2の累乗の比率となるように形成されている、請求項2に記載の高周波デバイス。
- 前記可変容量素子と前記制御電圧印加回路は、前記基板上に薄膜プロセスによって形成されたものであり、前記複数の抵抗素子は前記基板上の同一層に同一プロセスで形成されたものである、請求項1~3のいずれかに記載の高周波デバイス。
- 前記可変容量素子は、前記強誘電体キャパシタの両端に並列接続された複数のRF抵抗素子を含み、これらのRF抵抗素子は、前記複数の抵抗素子とは異なる層に設けられている、請求項4に記載の高周波デバイス。
- キャパシタ電極間に強誘電体膜が挟み込まれた強誘電体キャパシタを有し、
前記強誘電体キャパシタに接続されていて、異なる抵抗値を持った複数の抵抗素子を含み、前記強誘電体キャパシタの印加電圧値が複数通りに異なる制御電圧を印加する制御電圧印加回路を備えたことを特徴とする可変容量素子。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201280052633.6A CN103891047B (zh) | 2011-10-26 | 2012-10-24 | 可变电容元件以及高频器件 |
| JP2013540797A JP5598611B2 (ja) | 2011-10-26 | 2012-10-24 | 可変容量素子および高周波デバイス |
| GB1408935.3A GB2511233B (en) | 2011-10-26 | 2012-10-24 | Variable capacitance element for wireless communication systems |
| US14/255,994 US9047524B2 (en) | 2011-10-26 | 2014-04-18 | Variable capacitance element and high-frequency device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011234602 | 2011-10-26 | ||
| JP2011-234602 | 2011-10-26 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US14/255,994 Continuation US9047524B2 (en) | 2011-10-26 | 2014-04-18 | Variable capacitance element and high-frequency device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013061985A1 true WO2013061985A1 (ja) | 2013-05-02 |
Family
ID=48167812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2012/077419 Ceased WO2013061985A1 (ja) | 2011-10-26 | 2012-10-24 | 可変容量素子および高周波デバイス |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9047524B2 (ja) |
| JP (1) | JP5598611B2 (ja) |
| CN (1) | CN103891047B (ja) |
| GB (1) | GB2511233B (ja) |
| WO (1) | WO2013061985A1 (ja) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013183472A1 (ja) * | 2012-06-08 | 2013-12-12 | 株式会社村田製作所 | 可変容量素子、高周波デバイスおよび通信装置 |
| JP2014195012A (ja) * | 2013-03-29 | 2014-10-09 | Murata Mfg Co Ltd | 可変容量モジュール |
| WO2015053173A1 (ja) * | 2013-10-07 | 2015-04-16 | 太陽誘電株式会社 | 可変容量デバイスおよび通信装置 |
| US9047524B2 (en) | 2011-10-26 | 2015-06-02 | Murata Manufacturing Co., Ltd. | Variable capacitance element and high-frequency device |
| WO2015151786A1 (ja) * | 2014-04-03 | 2015-10-08 | 株式会社村田製作所 | 可変容量デバイスおよびその製造方法 |
| US20160322164A1 (en) * | 2014-08-06 | 2016-11-03 | Murata Manufacturing Co., Ltd. | Composite electronic component |
| JPWO2015019527A1 (ja) * | 2013-08-08 | 2017-03-02 | デクセリアルズ株式会社 | 可変容量回路、可変容量デバイス、及びそれを用いた共振回路、通信装置 |
| US20170345577A1 (en) * | 2015-02-27 | 2017-11-30 | Murata Manufacturing Co., Ltd. | Capacitor |
| US10128051B2 (en) | 2013-09-02 | 2018-11-13 | Murata Manufacturing Co., Ltd. | Variable capacitance component |
| US10262805B2 (en) | 2015-02-27 | 2019-04-16 | Murata Manufacturing Co., Ltd. | Variable capacitance element |
| WO2019111480A1 (ja) * | 2017-12-06 | 2019-06-13 | 株式会社村田製作所 | アクチュエータ駆動装置 |
| US10332872B2 (en) | 2015-02-12 | 2019-06-25 | Murata Manufacturing Co., Ltd. | Thin-film device |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5713150B2 (ja) * | 2013-03-29 | 2015-05-07 | 株式会社村田製作所 | 可変容量素子および通信装置 |
| CN106575555B (zh) * | 2014-08-18 | 2018-11-23 | 株式会社村田制作所 | 电子部件以及电子部件的制造方法 |
| US9515750B2 (en) * | 2014-11-07 | 2016-12-06 | Qualcomm Incorporated | Systems and methods for self-calibration for wireless communication |
| CN104485983B (zh) * | 2014-12-09 | 2017-12-08 | 深圳市汇顶科技股份有限公司 | 集成nfc天线的触摸屏、终端及其近场通信方法 |
| CN207517887U (zh) * | 2015-02-24 | 2018-06-19 | 株式会社村田制作所 | 天线装置以及rfid系统 |
| CN107408459A (zh) * | 2015-02-27 | 2017-11-28 | 株式会社村田制作所 | 可变电容元件 |
| US20170126196A1 (en) * | 2015-11-02 | 2017-05-04 | Ess Technology, Inc. | Low Noise Audio Rendering Circuit |
| US10431388B2 (en) | 2015-12-08 | 2019-10-01 | Avx Corporation | Voltage tunable multilayer capacitor |
| JP6475198B2 (ja) * | 2016-06-29 | 2019-02-27 | 太陽誘電株式会社 | 可変容量デバイス及びアンテナ装置 |
| CN108321503B (zh) * | 2017-01-16 | 2020-05-15 | 群创光电股份有限公司 | 液晶天线装置 |
| US10707152B2 (en) | 2017-01-16 | 2020-07-07 | Innolux Corporation | High-frequency device and manufacturing method thereof |
| JP7009758B2 (ja) * | 2017-03-23 | 2022-01-26 | セイコーエプソン株式会社 | 印刷装置および印刷装置用回路基板 |
| FR3069950A1 (fr) * | 2017-08-03 | 2019-02-08 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Dispositif de couplage a isolation galvanique |
| US10840027B2 (en) | 2017-09-08 | 2020-11-17 | Avx Corporation | High voltage tunable multilayer capacitor |
| WO2019070393A1 (en) | 2017-10-02 | 2019-04-11 | Avx Corporation | HIGH-CAPACITY, TUNABLE, MULTILAYER CAPACITOR, AND NETWORK |
| KR102595463B1 (ko) * | 2018-02-22 | 2023-10-30 | 삼성전기주식회사 | 전자 부품 |
| CN113196428B (zh) | 2018-12-26 | 2022-12-13 | 京瓷Avx元器件公司 | 用于控制电压可调多层电容器的系统和方法 |
| US11630979B2 (en) * | 2019-11-26 | 2023-04-18 | Avery Dennison Retail Information Services, Llc | Dual mode EAS/RFID tag based on self tuning RFID chip |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01164125A (ja) * | 1987-12-21 | 1989-06-28 | Nissan Motor Co Ltd | D/a変換回路 |
| JP2005064437A (ja) * | 2003-07-28 | 2005-03-10 | Kyocera Corp | 可変コンデンサ |
| JP2006049840A (ja) * | 2004-06-28 | 2006-02-16 | Kyocera Corp | 可変容量コンデンサ,回路モジュールおよび通信装置 |
| JP2006295905A (ja) * | 2005-03-16 | 2006-10-26 | Semiconductor Energy Lab Co Ltd | 情報処理装置 |
| JP2011078040A (ja) * | 2009-10-02 | 2011-04-14 | Sony Corp | 携帯通信装置、リーダ/ライタ装置及び共振周波数調整方法 |
| JP2011135447A (ja) * | 2009-12-25 | 2011-07-07 | Sanyo Electric Co Ltd | 無線通信装置 |
| JP2011142384A (ja) * | 2010-01-05 | 2011-07-21 | Sharp Corp | アンテナ整合回路及びそれを備えた高周波受信装置 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3569795A (en) * | 1969-05-29 | 1971-03-09 | Us Army | Voltage-variable, ferroelectric capacitor |
| GB2181009B (en) * | 1985-09-23 | 1989-11-29 | Fluke Mfg Co John | Apparatus and method for providing improved resistive ratio stability of a resistive divider network |
| US5472935A (en) * | 1992-12-01 | 1995-12-05 | Yandrofski; Robert M. | Tuneable microwave devices incorporating high temperature superconducting and ferroelectric films |
| US6078110A (en) * | 1998-03-12 | 2000-06-20 | Manvel Zakharian | Method of obtaining the adjustable capacitor |
| FR2776781B1 (fr) * | 1998-03-31 | 2000-05-05 | Gemplus Card Int | Dispositif de controle de l'impedance ramenee sur l'antenne d'une etiquette electromagnetique |
| WO2005114728A1 (ja) | 2004-05-21 | 2005-12-01 | Nec Corporation | 半導体装置並びに配線基板及びその製造方法 |
| US7092232B2 (en) * | 2004-06-28 | 2006-08-15 | Kyocera Corporation | Variable capacitance capacitor, circuit module, and communications apparatus |
| US7786863B2 (en) | 2005-03-16 | 2010-08-31 | Semiconductor Energy Laboratory Co., Ltd. | Information processing and wireless communication device wherein the resonant frequency of an antenna circuit is regularly corrected regardless of temperature |
| JP2007096523A (ja) * | 2005-09-27 | 2007-04-12 | Epson Toyocom Corp | 電圧制御発振器 |
| US7535312B2 (en) * | 2006-11-08 | 2009-05-19 | Paratek Microwave, Inc. | Adaptive impedance matching apparatus, system and method with improved dynamic range |
| JP2008258186A (ja) * | 2007-03-30 | 2008-10-23 | Matsushita Electric Ind Co Ltd | 可変容量デバイス |
| JP2008258670A (ja) * | 2007-03-30 | 2008-10-23 | Matsushita Electric Ind Co Ltd | アンテナ装置及び携帯端末 |
| JP2009049868A (ja) * | 2007-08-22 | 2009-03-05 | Hitachi Cable Ltd | 周波数補正回路付き同調型アンテナモジュール及びその製造方法 |
| US8675337B2 (en) * | 2008-05-02 | 2014-03-18 | Fujitsu Limited | Variable capacitor and filter circuit with bias voltage |
| JP2009290644A (ja) | 2008-05-30 | 2009-12-10 | Sony Corp | 応答器、質問器および通信装置 |
| JP4737253B2 (ja) * | 2008-08-29 | 2011-07-27 | ソニー株式会社 | 非接触受信装置 |
| JP2010147743A (ja) | 2008-12-18 | 2010-07-01 | Toshiba Corp | 情報処理装置およびその製造方法 |
| GB2511233B (en) | 2011-10-26 | 2015-06-24 | Murata Manufacturing Co | Variable capacitance element for wireless communication systems |
-
2012
- 2012-10-24 GB GB1408935.3A patent/GB2511233B/en not_active Expired - Fee Related
- 2012-10-24 WO PCT/JP2012/077419 patent/WO2013061985A1/ja not_active Ceased
- 2012-10-24 CN CN201280052633.6A patent/CN103891047B/zh not_active Expired - Fee Related
- 2012-10-24 JP JP2013540797A patent/JP5598611B2/ja not_active Expired - Fee Related
-
2014
- 2014-04-18 US US14/255,994 patent/US9047524B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01164125A (ja) * | 1987-12-21 | 1989-06-28 | Nissan Motor Co Ltd | D/a変換回路 |
| JP2005064437A (ja) * | 2003-07-28 | 2005-03-10 | Kyocera Corp | 可変コンデンサ |
| JP2006049840A (ja) * | 2004-06-28 | 2006-02-16 | Kyocera Corp | 可変容量コンデンサ,回路モジュールおよび通信装置 |
| JP2006295905A (ja) * | 2005-03-16 | 2006-10-26 | Semiconductor Energy Lab Co Ltd | 情報処理装置 |
| JP2011078040A (ja) * | 2009-10-02 | 2011-04-14 | Sony Corp | 携帯通信装置、リーダ/ライタ装置及び共振周波数調整方法 |
| JP2011135447A (ja) * | 2009-12-25 | 2011-07-07 | Sanyo Electric Co Ltd | 無線通信装置 |
| JP2011142384A (ja) * | 2010-01-05 | 2011-07-21 | Sharp Corp | アンテナ整合回路及びそれを備えた高周波受信装置 |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9047524B2 (en) | 2011-10-26 | 2015-06-02 | Murata Manufacturing Co., Ltd. | Variable capacitance element and high-frequency device |
| JP5673865B2 (ja) * | 2012-06-08 | 2015-02-18 | 株式会社村田製作所 | 通信装置 |
| WO2013183472A1 (ja) * | 2012-06-08 | 2013-12-12 | 株式会社村田製作所 | 可変容量素子、高周波デバイスおよび通信装置 |
| JP2014195012A (ja) * | 2013-03-29 | 2014-10-09 | Murata Mfg Co Ltd | 可変容量モジュール |
| JPWO2015019527A1 (ja) * | 2013-08-08 | 2017-03-02 | デクセリアルズ株式会社 | 可変容量回路、可変容量デバイス、及びそれを用いた共振回路、通信装置 |
| US10128051B2 (en) | 2013-09-02 | 2018-11-13 | Murata Manufacturing Co., Ltd. | Variable capacitance component |
| JPWO2015053173A1 (ja) * | 2013-10-07 | 2017-03-09 | 太陽誘電株式会社 | 可変容量デバイスおよび通信装置 |
| US10044105B2 (en) | 2013-10-07 | 2018-08-07 | Taiyo Yuden Co., Ltd. | Variable capacitance device and communication apparatus |
| WO2015053173A1 (ja) * | 2013-10-07 | 2015-04-16 | 太陽誘電株式会社 | 可変容量デバイスおよび通信装置 |
| WO2015151786A1 (ja) * | 2014-04-03 | 2015-10-08 | 株式会社村田製作所 | 可変容量デバイスおよびその製造方法 |
| US9704847B2 (en) | 2014-04-03 | 2017-07-11 | Murata Manufacturing Co., Ltd. | Variable capacitance device |
| US20160322164A1 (en) * | 2014-08-06 | 2016-11-03 | Murata Manufacturing Co., Ltd. | Composite electronic component |
| US10290425B2 (en) * | 2014-08-06 | 2019-05-14 | Murata Manufacturing Co., Ltd. | Composite electronic component |
| US10332872B2 (en) | 2015-02-12 | 2019-06-25 | Murata Manufacturing Co., Ltd. | Thin-film device |
| US20170345577A1 (en) * | 2015-02-27 | 2017-11-30 | Murata Manufacturing Co., Ltd. | Capacitor |
| US10262805B2 (en) | 2015-02-27 | 2019-04-16 | Murata Manufacturing Co., Ltd. | Variable capacitance element |
| US10424440B2 (en) * | 2015-02-27 | 2019-09-24 | Murata Manufacturing Co., Ltd. | Capacitor having an auxiliary electrode |
| WO2019111480A1 (ja) * | 2017-12-06 | 2019-06-13 | 株式会社村田製作所 | アクチュエータ駆動装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201408935D0 (en) | 2014-07-02 |
| US9047524B2 (en) | 2015-06-02 |
| US20140225793A1 (en) | 2014-08-14 |
| JP5598611B2 (ja) | 2014-10-01 |
| GB2511233B (en) | 2015-06-24 |
| CN103891047A (zh) | 2014-06-25 |
| GB2511233A (en) | 2014-08-27 |
| JPWO2013061985A1 (ja) | 2015-04-02 |
| CN103891047B (zh) | 2017-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5598611B2 (ja) | 可変容量素子および高周波デバイス | |
| JP5673865B2 (ja) | 通信装置 | |
| JP5812234B1 (ja) | 可変容量デバイス | |
| JP6451893B2 (ja) | 容量素子 | |
| US7741162B2 (en) | Method for manufacturing high-frequency module device | |
| EP1289139A2 (en) | System and method for coupling load to communications device | |
| US6975186B2 (en) | Filter circuit | |
| US8766103B2 (en) | Electronic component | |
| KR100233744B1 (ko) | 안테나 스위치 | |
| KR20080091442A (ko) | 인덕터-캐패시터 공진기들을 이용하는 박막 대역통과 필터 | |
| US7145509B2 (en) | Array antenna and radio communication apparatus using the same | |
| KR100838965B1 (ko) | 이동 전화 장치 | |
| US12519202B2 (en) | Power divider | |
| JP2005210569A (ja) | アンテナ装置およびそれを用いた無線通信装置 | |
| KR100616655B1 (ko) | 안티 퓨즈를 이용한 표면탄성파 소자의 idt 전극패턴의 형성 방법 및 이에 의해 제조된 표면탄성파 소자 | |
| JP2005101773A (ja) | 可変整合回路 | |
| JP2005236390A (ja) | 指向性可変アレーアンテナおよびそれを用いた無線通信装置 | |
| JPWO2020012691A1 (ja) | 容量素子 | |
| JP2008205754A (ja) | 電子回路部品の製造方法及び電子回路部品 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12843202 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2013540797 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 1408935 Country of ref document: GB Kind code of ref document: A Free format text: PCT FILING DATE = 20121024 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 1408935.3 Country of ref document: GB |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 12843202 Country of ref document: EP Kind code of ref document: A1 |