GB8906619D0 - Hermetic crystal packages - Google Patents

Hermetic crystal packages

Info

Publication number
GB8906619D0
GB8906619D0 GB898906619A GB8906619A GB8906619D0 GB 8906619 D0 GB8906619 D0 GB 8906619D0 GB 898906619 A GB898906619 A GB 898906619A GB 8906619 A GB8906619 A GB 8906619A GB 8906619 D0 GB8906619 D0 GB 8906619D0
Authority
GB
United Kingdom
Prior art keywords
hermetic
crystal packages
packages
hermetic crystal
crystal
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.)
Pending
Application number
GB898906619A
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.)
Marconi Electronic Devices Ltd
Original Assignee
Marconi Electronic Devices 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 Marconi Electronic Devices Ltd filed Critical Marconi Electronic Devices Ltd
Priority to GB898906619A priority Critical patent/GB8906619D0/en
Publication of GB8906619D0 publication Critical patent/GB8906619D0/en
Priority to GB9005777A priority patent/GB2230645B/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/0504—Holders; Supports for bulk acoustic wave devices
    • H03H9/0514—Holders; Supports for bulk acoustic wave devices consisting of mounting pads or bumps
    • 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
    • H10N30/88—Mounts; Supports; Enclosures; Casings
    • H10N30/883—Additional insulation means preventing electrical, physical or chemical damage, e.g. protective coatings

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
GB898906619A 1989-03-22 1989-03-22 Hermetic crystal packages Pending GB8906619D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB898906619A GB8906619D0 (en) 1989-03-22 1989-03-22 Hermetic crystal packages
GB9005777A GB2230645B (en) 1989-03-22 1990-03-14 Hermetic crystal packages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898906619A GB8906619D0 (en) 1989-03-22 1989-03-22 Hermetic crystal packages

Publications (1)

Publication Number Publication Date
GB8906619D0 true GB8906619D0 (en) 1989-05-04

Family

ID=10653828

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898906619A Pending GB8906619D0 (en) 1989-03-22 1989-03-22 Hermetic crystal packages
GB9005777A Expired - Fee Related GB2230645B (en) 1989-03-22 1990-03-14 Hermetic crystal packages

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9005777A Expired - Fee Related GB2230645B (en) 1989-03-22 1990-03-14 Hermetic crystal packages

Country Status (1)

Country Link
GB (2) GB8906619D0 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441960A1 (en) * 1978-11-16 1980-06-13 Suisse Horlogerie PIEZOELECTRIC RESONATOR WORKING IN THICKNESS SHEAR
US4750246A (en) * 1984-10-29 1988-06-14 Hughes Aircraft Company Method of making compensated crystal oscillator
DE3539504A1 (en) * 1985-11-07 1987-05-21 Schott Glaswerke FLAT HOUSING FOR THE HERMETIC ENCLOSURE OF PIEZOELECTRIC COMPONENTS

Also Published As

Publication number Publication date
GB9005777D0 (en) 1990-05-09
GB2230645A (en) 1990-10-24
GB2230645B (en) 1993-04-28

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