GB1355165A – Piezoelectric crystal device
– Google Patents
GB1355165A – Piezoelectric crystal device
– Google Patents
Piezoelectric crystal device
Info
Publication number
GB1355165A
GB1355165A
GB1529172A
GB1529172A
GB1355165A
GB 1355165 A
GB1355165 A
GB 1355165A
GB 1529172 A
GB1529172 A
GB 1529172A
GB 1529172 A
GB1529172 A
GB 1529172A
GB 1355165 A
GB1355165 A
GB 1355165A
Authority
GB
United Kingdom
Prior art keywords
loading elements
electrodes
april
electrode
plated
Prior art date
1971-04-15
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
Application number
GB1529172A
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.)
Oak Electro Netics Corp
Original Assignee
Oak Electro Netics Corp
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.)
1971-04-15
Filing date
1972-04-04
Publication date
1974-06-05
1972-04-04
Application filed by Oak Electro Netics Corp
filed
Critical
Oak Electro Netics Corp
1974-06-05
Publication of GB1355165A
publication
Critical
patent/GB1355165A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
H03H9/0528—Holders; Supports for bulk acoustic wave devices consisting of clips
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
H03H9/15—Constructional features of resonators consisting of piezo-electric or electrostrictive material
H03H9/17—Constructional features of resonators consisting of piezo-electric or electrostrictive material having a single resonator
H03H9/177—Constructional features of resonators consisting of piezo-electric or electrostrictive material having a single resonator of the energy-trap type
Abstract
1355165 Piezoelectric crystals OAK ELECTRO NETICS CORP 4 April 1972 [15 April 1971] 15291/72 Heading H1E A piezoelectric disc-shaped crystal has a diamond-shaped plated electrode 7 near the centre of each face and two segmental plated loading elements, which are thicker than the electrodes, a metal tab 3, 8 extending from each electrode to one of the loading elements. The electrodes have an angle which would be bisected by a line perpendicular to the chords of the loading elements. The arrangement is said to attenuate spurious modes. The electrodes can be aluminium and the loading elements silver of respective thicknesses 10 and 120A.
GB1529172A
1971-04-15
1972-04-04
Piezoelectric crystal device
Expired
GB1355165A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US13429271A
1971-04-15
1971-04-15
Publications (1)
Publication Number
Publication Date
GB1355165A
true
GB1355165A
(en)
1974-06-05
Family
ID=22462688
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1529172A
Expired
GB1355165A
(en)
1971-04-15
1972-04-04
Piezoelectric crystal device
Country Status (7)
Country
Link
US
(1)
US3684905A
(en)
BE
(1)
BE782168A
(en)
DE
(1)
DE2217941A1
(en)
FR
(1)
FR2136414A5
(en)
GB
(1)
GB1355165A
(en)
IT
(1)
IT952541B
(en)
NL
(1)
NL7204836A
(en)
Families Citing this family (9)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3898489A
(en)
*
1974-03-04
1975-08-05
Motorola Inc
Piezoelectric resonators including mass loading to attenuate spurious modes
US3918013A
(en)
*
1974-04-08
1975-11-04
Antonio Lungo
Filter device
DE2641571B1
(en)
*
1976-09-15
1977-06-08
Siemens Ag
THICK SHEAR VIBRATORS USED AS OBSERVE QUARTZ
US4365181A
(en)
*
1979-07-18
1982-12-21
Murata Manufacturing Co., Ltd.
Piezoelectric vibrator with damping electrodes
WO1986006228A1
(en)
*
1985-04-11
1986-10-23
Toyo Communication Equipment Co., Ltd.
Piezo-electric resonator for generating overtones
US5114777B2
(en)
1985-08-05
1997-11-18
Wangner Systems Corp
Woven multilayer papermaking fabric having increased stability and permeability and method
JPH09168287A
(en)
*
1995-12-14
1997-06-24
Seiko Instr Inc
Ultrasonic motor
US20040036383A1
(en)
*
2002-08-23
2004-02-26
Rubach Robert Walter
Elliptical electrode for crystals
JP2007212751A
(en)
*
2006-02-09
2007-08-23
Nippon Dempa Kogyo Co Ltd
Manufacturing method for spherical or semispherical crystalline body and manufacturing method for spherical saw device
Family Cites Families (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CA497732A
(en)
*
1953-11-17
Canadian Marconi Company
Piezo-electric crystals
US3165651A
(en)
*
1959-12-01
1965-01-12
Rudolf H Bechmann
Piezoelectric crystal apparatus
US3382381A
(en)
*
1965-05-27
1968-05-07
Piezo Technology Inc
Tab plateback
US3564463A
(en)
*
1966-04-11
1971-02-16
Bell Telephone Labor Inc
Monolithic piezoelectric filter having mass loaded electrodes for resonation regions acoustically coupled together
US3585418A
(en)
*
1969-07-22
1971-06-15
Clevite Corp
Piezoelectric resonators and method of tuning the same
1971
1971-04-15
US
US134292A
patent/US3684905A/en
not_active
Expired – Lifetime
1972
1972-04-04
GB
GB1529172A
patent/GB1355165A/en
not_active
Expired
1972-04-07
IT
IT49440/72A
patent/IT952541B/en
active
1972-04-11
NL
NL7204836A
patent/NL7204836A/xx
unknown
1972-04-13
DE
DE19722217941
patent/DE2217941A1/en
active
Pending
1972-04-14
BE
BE782168A
patent/BE782168A/en
unknown
1972-04-14
FR
FR7213123A
patent/FR2136414A5/fr
not_active
Expired
Also Published As
Publication number
Publication date
FR2136414A5
(en)
1972-12-22
US3684905A
(en)
1972-08-15
IT952541B
(en)
1973-07-30
NL7204836A
(en)
1972-10-17
DE2217941A1
(en)
1972-10-19
BE782168A
(en)
1972-07-31
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Legal Events
Date
Code
Title
Description
1974-10-16
PS
Patent sealed [section 19, patents act 1949]
1976-11-03
PLNP
Patent lapsed through nonpayment of renewal fees
