JP2005019971A - セル駆動型圧電/電歪アクチュエータ及びその製造方法 - Google Patents
セル駆動型圧電/電歪アクチュエータ及びその製造方法 Download PDFInfo
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- JP2005019971A JP2005019971A JP2004154950A JP2004154950A JP2005019971A JP 2005019971 A JP2005019971 A JP 2005019971A JP 2004154950 A JP2004154950 A JP 2004154950A JP 2004154950 A JP2004154950 A JP 2004154950A JP 2005019971 A JP2005019971 A JP 2005019971A
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- cell
- piezoelectric
- electrostrictive
- actuator
- ceramic green
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- Granted
Links
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
- B41J2/14209—Structure of print heads with piezoelectric elements of finger type, chamber walls consisting integrally of piezoelectric material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/003—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by piezoelectric means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
- F04B43/043—Micropumps
- F04B43/046—Micropumps with piezoelectric drive
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- G—PHYSICS
- G02—OPTICS
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
- G02B6/3578—Piezoelectric force
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/05—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes
- H10N30/053—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes by integrally sintering piezoelectric or electrostrictive bodies and electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
- H10N30/501—Piezoelectric or electrostrictive devices having a stacked or multilayer structure having a non-rectangular cross-section in a plane parallel to the stacking direction, e.g. polygonal or trapezoidal in side view
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N39/00—Integrated devices, or assemblies of multiple devices, comprising at least one piezoelectric, electrostrictive or magnetostrictive element covered by groups H10N30/00 – H10N35/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/11—Embodiments of or processes related to ink-jet heads characterised by specific geometrical characteristics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3538—Optical coupling means having switching means based on displacement or deformation of a liquid
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
- G02B6/3546—NxM switch, i.e. a regular array of switches elements of matrix type constellation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
- Y10T156/107—Punching and bonding pressure application by punch
-
- 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
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
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- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
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- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Reciprocating Pumps (AREA)
Abstract
【解決手段】基板2の上に整列配置された2つの側壁6を天井壁7で接続してなるセル3が備わり、少なくともその2つの側壁6は圧電/電歪素子4で構成され圧電/電歪素子4の変位によりセル3の容積が変化するセル駆動型圧電/電歪アクチュエータ1の提供による。セル駆動型圧電/電歪アクチュエータ1は、圧電/電歪素子4が、複数の層状の圧電/電歪体14と層状の電極18,19とが交互に積層されてなるとともに、電極18,19の端部が、少なくともセル3内側において圧電/電歪体14内に埋設されていることを特徴とする。
【選択図】図2
Description
Claims (9)
- 基板の上に整列配置された2つの側壁を天井壁で接続してなるセルが備わり、少なくとも前記2つの側壁は圧電/電歪素子で構成され、前記圧電/電歪素子の変位により前記セルの容積が変化するアクチュエータであって、
前記圧電/電歪素子は、複数の層状の圧電/電歪体と層状の電極とが交互に積層されてなるとともに、前記電極の端部が、少なくともセル内側において前記圧電/電歪体内に埋設されているセル駆動型圧電/電歪アクチュエータ。 - 前記セルが複数備わり、その各々が、隣接するセルと独立して形成されている請求項1に記載のセル駆動型圧電/電歪アクチュエータであって、
一のセルを形成する圧電/電歪素子の電極の端部が、セル外側において前記圧電/電歪体から露出しているセル駆動型圧電/電歪アクチュエータ。 - 前記天井壁が圧電/電歪素子で構成されている請求項1又は2に記載のセル駆動型圧電/電歪アクチュエータ。
- 前記電極が、圧電/電歪素子で構成される前記2つの側壁と異なる部分で、一層おきに導通がなされている請求項1〜3の何れか一項に記載のセル駆動型圧電/電歪アクチュエータ。
- 前記導通が、スルーホール乃至ビアホールでなされる請求項4に記載のセル駆動型圧電/電歪アクチュエータ。
- 光路の途中に設けられ、光信号の経路を規定する光スイッチであって、
請求項2〜5の何れか一項に記載のセル駆動型圧電/電歪アクチュエータを有するアクチュエータ部と、微細スリットを有する導波路部と、から構成され、
前記アクチュエータ部のセルに気体が充填され、前記導波路部の微細スリットに液体が充填され、前記セルと前記微細スリットとは連通孔を介して通じ、前記微細スリットを光導波路と交差させるとともに、その交差箇所に前記セルを配設してなり、
前記セルの側壁を構成する圧電/電歪素子の変位により前記セルの容積を変化させ、前記交差箇所において前記セルに充填された気体の一部を前記連通孔から前記微細スリット中へ突出させ又は前記微細スリット中へ突出させた気体を前記連通孔から前記セル中へ引き戻し、前記微細スリットの屈折率を変化させる光スイッチ。 - 圧力のはたらきによって流体を送るマイクロポンプであって、
少なくとも1つのポンプ部を備え、前記ポンプ部はポンプユニットで構成され、前記ポンプユニットは圧力の変動を起こす少なくとも1つのアクチュエータ部及び流体が流れる流路部で構成され、前記アクチュエータ部は請求項2〜5の何れか一項に記載のセル駆動型圧電/電歪アクチュエータを有し、
前記アクチュエータ部のセルの側壁を構成する圧電/電歪素子の変位により、前記流路部に圧力の変動を生じせしめ、流体の流路を選択的に形成するマイクロポンプ。 - 基板の上に整列配置された2つの側壁を天井壁で接続してなるセルが備わり、少なくとも前記2つの側壁は圧電/電歪素子で構成され、前記圧電/電歪素子は複数の層状の圧電/電歪体と層状の電極とが交互に積層されてなるとともに前記電極の端部が少なくともセル内側において前記圧電/電歪体内に埋設されているアクチュエータを製造する方法であって、
圧電/電歪材料を主成分とし後に前記圧電/電歪体となる複数のセラミックグリーンシートを用意し、その片面に後に前記電極となる導電材料を主成分とする膜を形成する第1の工程と、各々のセラミックグリーンシートの所定の位置に、少なくとも後に前記セルを構成するスリットと前記導体材料が接しないように、複数のスリットを設ける第2の工程と、導電材料を主成分とする膜及びスリットを形成した複数のセラミックグリーンシートを交互に積層し圧着して、複数のスリット状貫通孔が備わるセラミックグリーン積層体を形成する第3の工程と、セラミックグリーン積層体を焼成して一体化し、積層焼成体を得る第4の工程と、を有し、
前記複数のスリット状貫通孔の間の壁部が前記側壁を構成し、前記複数のスリット状貫通孔の一部又は全部が前記セルを構成する過程を含むセル駆動型圧電/電歪アクチュエータの製造方法。 - 前記第2の工程及び前記第3の工程において、パンチとダイ及びストリッパを有する打抜金型を用い、
前記パンチにより、前記導電材料を主成分とする膜が形成された複数のセラミックスグリーンシートのうち第一のセラミックスグリーンシートに第一のスリットを開ける工程Aと、前記第一のスリットから前記パンチを抜き取らない状態で、前記第一のセラミックグリーンシートを前記ストリッパに密着させて引き上げる工程Bと、前記パンチの先端部が引き上げた前記第一のセラミックグリーンシートの最下部より僅かに引き込む程度に、前記パンチを引き上げる工程Cと、前記パンチにより、前記導電材料を主成分とする膜が形成された複数のセラミックスグリーンシートのうち第二のセラミックグリーンシートに第二のスリットを開ける工程Dと、前記第二のスリットから前記パンチを抜き取らない状態で、前記第二のセラミックグリーンシートを前記ストリッパに密着させて引き上げる工程Eと、前記パンチの先端部が引き上げた前記第二のセラミックグリーンシートの最下部より僅かに引き込む程度に、前記パンチを引き上げる工程Fと、以降、前記工程Dから前記工程Fを繰り返し、
前記導電材料を主成分とする膜が形成された複数のセラミックグリーンシートを前記スリットを開けながら積層し、前記スリット状貫通孔が備わるセラミックグリーン積層体を得る請求項8に記載のセル駆動型圧電/電歪アクチュエータの製造方法。
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JP2004154950A JP4842520B2 (ja) | 2003-05-30 | 2004-05-25 | セル駆動型圧電/電歪アクチュエータ及びその製造方法 |
US10/855,448 US7262545B2 (en) | 2003-05-30 | 2004-05-27 | Cell driving type piezoelectric/electrostrictive actuator and method of manufacturing the same |
EP20040253189 EP1482571B1 (en) | 2003-05-30 | 2004-05-28 | Cell driving type piezoelectric/electrostrictive actuator and method of manufacturing the same |
DE200460032088 DE602004032088D1 (de) | 2003-05-30 | 2004-05-28 | Piezoelektrischer/elektrostriktiver Zellenaktuator und dessen Herstellungsverfahren |
US11/756,758 US7861388B2 (en) | 2003-05-30 | 2007-06-01 | Method of manufacturing a cell driving type piezoelectric/electrostrictive actuator |
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Also Published As
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US20050001514A1 (en) | 2005-01-06 |
JP4842520B2 (ja) | 2011-12-21 |
EP1482571A2 (en) | 2004-12-01 |
EP1482571A3 (en) | 2007-03-14 |
US20070226975A1 (en) | 2007-10-04 |
EP1482571B1 (en) | 2011-04-06 |
US7861388B2 (en) | 2011-01-04 |
DE602004032088D1 (de) | 2011-05-19 |
US7262545B2 (en) | 2007-08-28 |
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