JP2007534172A - 微小電気機械装置 - Google Patents
微小電気機械装置 Download PDFInfo
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- 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
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
- H10N30/2041—Beam type
- H10N30/2042—Cantilevers, i.e. having one fixed end
- H10N30/2043—Cantilevers, i.e. having one fixed end connected at their free ends, e.g. parallelogram type
-
- 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
- H10N30/03—Assembling devices that include piezoelectric or electrostrictive parts
-
- 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
- H10N30/07—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base
- H10N30/074—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing
- H10N30/077—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing by liquid phase deposition
- H10N30/078—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing by liquid phase deposition by sol-gel deposition
-
- 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
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
- H10N30/8548—Lead-based oxides
- H10N30/8554—Lead-zirconium titanate [PZT] based
-
- 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
-
- 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
- Y10T29/43—Electric condenser making
- Y10T29/435—Solid dielectric type
-
- 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
- Y10T29/49005—Acoustic transducer
-
- 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
- Y10T29/4902—Electromagnet, transformer or inductor
-
- 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.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
- Y10T29/49144—Assembling to base an electrical component, e.g., capacitor, etc. by metal fusion
-
- 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.
- Y10T29/49147—Assembling terminal to base
- Y10T29/49151—Assembling terminal to base by deforming or shaping
- Y10T29/49153—Assembling terminal to base by deforming or shaping with shaping or forcing terminal into base aperture
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Abstract
【選択図】図2
Description
Claims (26)
- 電気機械装置を製作する方法であって、
第1の層を用意し、
それぞれが内面及び外面を有する、第2及び第3の層を用意し、
前記第2及び第3の層の内面を、前記第1の層に取り付けて、前記第2の層と前記第3の層との間に少なくとも1つの空洞を備える支持構造を形成することを含む、支持構造を形成するステップと、
前記第2及び第3の層のうち少なくとも一方の前記外面上に、電気機械活性要素を設けるステップと
を含む方法。 - 第2及び第3の層を第1の層に取り付けた後で、且つ電気機械活性要素を設ける前に、前記第2及び第3の層のうち少なくとも一方の厚さを低減するステップをさらに含む、請求項1に記載の方法。
- 第2及び第3の層の取付けが、前記第2及び第3の層を第1の層に高温で接合することを含む、請求項1又は2に記載の方法。
- 第2及び第3の層のうち少なくとも一方の厚さの低減が、少なくとも機械的研磨することを含む、請求項2に記載の方法。
- 第2及び第3の層がそれぞれ多層基板を含み、前記第2及び第3の層の厚さの低減が、前記多層基板から少なくとも1層の材料を除去することを含む、請求項2に記載の方法。
- 第2及び第3の層の多層基板が、絶縁体によって分離されたバルクシリコン層及び表面シリコン層を有するシリコン・オン・インシュレータウエハーを含み、前記第2及び第3の層の厚さの低減が、前記シリコン・オン・インシュレータウエハーから少なくとも前記バルクシリコン層を除去することを含む、請求項5に記載の方法。
- 第2及び第3の層が、単結晶材料を含む、請求項1から5のいずれかに記載の方法。
- 単結晶材料が、単結晶シリコンを含む、請求項7に記載の方法。
- 第1の層が、単結晶材料を含む、請求項1から8のいずれかに記載の方法。
- 第1の層の単結晶材料が、単結晶シリコンを含む、請求項9に記載の方法。
- 第1の層の単結晶シリコンが、サンドイッチ状の第1、第2、及び第3の層のサンドイッチ方向に平行な<110>結晶方向を有する、請求項10に記載の方法。
- 空洞が、サンドイッチ方向に直交する少なくとも1つのエッジを有する、請求項11に記載の方法。
- 第1、第2、及び第3の層が、単結晶シリコンを含み、前記第2及び第3の層が、高温でのシリコン融解接合によって前記第1の層に取り付けられる、請求項7から12に記載の方法。
- 第1の層がガラスを含む、請求項1から8のいずれかに記載の方法。
- 第2及び第3の層が、単結晶シリコンを含み、前記第2及び第3の層が、高温での陽極接合によって第1の層に取り付けられる、請求項14に記載の方法。
- 電気機械活性要素が、圧電又は電わい材料を含む活性膜を含む、請求項1から15のいずれかに記載の方法。
- 電気機械能活性要素が、活性膜を挟む下部電極及び上部電極をさらに備える、請求項16に記載の方法。
- 電気機械活性要素と第2又は第3の層のうち少なくとも一方の外面との間に、少なくとも1層の中間層をさらに備える、請求項17に記載の方法。
- 活性膜が、薄膜成膜技術を使用して成膜される、請求項1から18のいずれかに記載の方法。
- 圧電材料が、モルフォトロピック相境界(MPB)付近の組成を有する、請求項19に記載の方法。
- 第1、第2、及び第3のウエハーが、第1、第2、及び第3の層用に用意され、また、
前記第1のウエハー内に空洞のアレイを形成するステップ、
前記第2及び第3のウエハーの内面を、前記第1のウエハーに取り付けて、ウエハースタックを形成するステップ、
前記第2及び第3のウエハーのうち少なくとも一方の前記外面上に、電気機械活性要素を設けるステップ、及び、
前記ウエハースタックをダイシングして、単一の製作サイクル内で複数の電気機械装置を並列に形成するステップをさらに含む、請求項1から20のいずれかに記載の方法。 - 空洞のアレイが、ダイシング線と細長い溝との交点に配置された個々の電気機械装置内に、少なくとも1つの空洞をもたらすための細長い溝を有する、請求項21に記載の方法。
- 第1のウエハーが、(110)に配向された単結晶シリコンウエハーを含み、細長い溝の長さ方向が、前記単結晶シリコンウエハーの(111)面内に配列される、請求項22に記載の方法。
- ダイシング中に電気機械装置を損傷から保護するために、ウエハースタックの少なくとも片面を被覆するステップをさらに含む、請求項21から23のいずれかに記載の方法。
- 電気機械装置であって、
第1の層と、それぞれが内面及び外面を有する第2及び第3の層とを備える支持構造であって、前記第2及び第3の層の前記内面が、前記第1の層に取り付けられ、前記支持構造が、少なくとも1つの空洞を有する支持構造と、
前記第2及び第3の層のうち少なくとも一方の前記外面上に配設された、電気機械活性要素とを備える、電気機械装置。 - 電気機械活性要素が、厚さが約5μm未満の圧電又は電わい膜を備える、請求項25に記載の電気機械装置。
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PCT/SG2004/000107 WO2005104257A1 (en) | 2004-04-23 | 2004-04-23 | Micro-electromechanical device |
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JP2007534172A true JP2007534172A (ja) | 2007-11-22 |
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US (2) | US7596841B2 (ja) |
JP (1) | JP2007534172A (ja) |
CN (1) | CN100568568C (ja) |
WO (1) | WO2005104257A1 (ja) |
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Also Published As
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CN101069293A (zh) | 2007-11-07 |
US20070164634A1 (en) | 2007-07-19 |
US20100019623A1 (en) | 2010-01-28 |
WO2005104257A1 (en) | 2005-11-03 |
CN100568568C (zh) | 2009-12-09 |
US7596841B2 (en) | 2009-10-06 |
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