GB8906619D0 - Hermetic crystal packages - Google Patents

Hermetic crystal packages

Info

Publication number: GB8906619D0
Authority: GB; United Kingdom
Prior art keywords: hermetic; crystal packages; packages; hermetic crystal; crystal
Prior art date: 1989-03-22
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.)

1989-03-22

Filing date

1989-03-22

Publication date

1989-05-04

1989-03-22 Application filed by Marconi Electronic Devices Ltd filed Critical Marconi Electronic Devices Ltd

1989-03-22 Priority to GB898906619A priority Critical patent/GB8906619D0/en

1989-05-04 Publication of GB8906619D0 publication Critical patent/GB8906619D0/en

1990-03-14 Priority to GB9005777A priority patent/GB2230645B/en

Status Pending legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders or supports
- H03H9/0504—Holders or supports for bulk acoustic wave devices
- H03H9/0514—Holders or 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

1989
- 1989-03-22 GB GB898906619A patent/GB8906619D0/en active Pending
1990
- 1990-03-14 GB GB9005777A patent/GB2230645B/en not_active Expired - Fee Related

Also Published As

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

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