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DE10207324B8 - Verfahren zum Herstellen akustischer Dünnfilmvolumenresonatoren (FBARs) mit unterschiedlichen Frequenzen auf dem gleichen Substrat durch ein Subtraktionsverfahren und Vorrichtung, die das Verfahren beinhaltet - Google Patents

Verfahren zum Herstellen akustischer Dünnfilmvolumenresonatoren (FBARs) mit unterschiedlichen Frequenzen auf dem gleichen Substrat durch ein Subtraktionsverfahren und Vorrichtung, die das Verfahren beinhaltet Download PDF

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Publication number
DE10207324B8
DE10207324B8 DE10207324A DE10207324A DE10207324B8 DE 10207324 B8 DE10207324 B8 DE 10207324B8 DE 10207324 A DE10207324 A DE 10207324A DE 10207324 A DE10207324 A DE 10207324A DE 10207324 B8 DE10207324 B8 DE 10207324B8
Authority
DE
Germany
Prior art keywords
fbar
resonators
thin film
different frequencies
same substrate
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.)
Expired - Fee Related
Application number
DE10207324A
Other languages
English (en)
Other versions
DE10207324B4 (de
DE10207324A1 (de
Inventor
Paul D. Mountain View Bradley
Richard C. Menlo Park Ruby
John D. Palo Alto Larson III
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Avago Technologies International Sales Pte Ltd
Original Assignee
Avago Technologies Wireless IP Singapore Pte Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Avago Technologies Wireless IP Singapore Pte Ltd filed Critical Avago Technologies Wireless IP Singapore Pte Ltd
Publication of DE10207324A1 publication Critical patent/DE10207324A1/de
Application granted granted Critical
Publication of DE10207324B4 publication Critical patent/DE10207324B4/de
Publication of DE10207324B8 publication Critical patent/DE10207324B8/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/54Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56Monolithic crystal filters
    • H03H9/564Monolithic crystal filters implemented with thin-film techniques
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H3/04Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H3/04Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
    • H03H2003/0414Resonance frequency
    • H03H2003/0421Modification of the thickness of an element
    • H03H2003/0428Modification of the thickness of an element of an electrode
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H3/04Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
    • H03H2003/0414Resonance frequency
    • H03H2003/0471Resonance frequency of a plurality of resonators at different frequencies
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/42Piezoelectric device making

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
DE10207324A 2001-03-05 2002-02-21 Verfahren zum Herstellen akustischer Dünnfilmvolumenresonatoren (FBARs) mit unterschiedlichen Frequenzen auf dem gleichen Substrat durch ein Subtraktionsverfahren und Vorrichtung, die das Verfahren beinhaltet Expired - Fee Related DE10207324B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/799,205 US6874211B2 (en) 2001-03-05 2001-03-05 Method for producing thin film bulk acoustic resonators (FBARs) with different frequencies on the same substrate by subtracting method and apparatus embodying the method
US09/799,205 2001-03-05

Publications (3)

Publication Number Publication Date
DE10207324A1 DE10207324A1 (de) 2002-09-26
DE10207324B4 DE10207324B4 (de) 2009-04-09
DE10207324B8 true DE10207324B8 (de) 2009-07-30

Family

ID=25175291

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10207324A Expired - Fee Related DE10207324B8 (de) 2001-03-05 2002-02-21 Verfahren zum Herstellen akustischer Dünnfilmvolumenresonatoren (FBARs) mit unterschiedlichen Frequenzen auf dem gleichen Substrat durch ein Subtraktionsverfahren und Vorrichtung, die das Verfahren beinhaltet

Country Status (3)

Country Link
US (1) US6874211B2 (de)
JP (1) JP4008265B2 (de)
DE (1) DE10207324B8 (de)

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Also Published As

Publication number Publication date
JP2002359534A (ja) 2002-12-13
DE10207324B4 (de) 2009-04-09
US6874211B2 (en) 2005-04-05
DE10207324A1 (de) 2002-09-26
JP4008265B2 (ja) 2007-11-14
US20020121499A1 (en) 2002-09-05

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