CA1276284C - Dispositif generateur d'onde de surface elastiques - Google Patents

Dispositif generateur d'onde de surface elastiques

Info

Publication number: CA1276284C
Authority: CA; Canada
Prior art keywords: electrode; acoustic wave; phase shifter; surface acoustic; sending
Prior art date: 1985-04-05
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 - Lifetime

Application number

CA000510494A

Other languages

English (en)

Inventor

Jun Yamada

Akitsuna Yuhara

Takashi Shiba

Yuji Fujita

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.)

Hitachi Ltd

Original Assignee

Hitachi 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.)

1985-04-05

Filing date

1986-05-30

Publication date

1990-11-13

1985-04-05 Priority claimed from JP7086285A external-priority patent/JPS61230511A/ja

1985-04-19 Priority claimed from JP8237985A external-priority patent/JPH0691408B2/ja

1985-06-07 Priority claimed from JP12245485A external-priority patent/JPS61281610A/ja

1985-06-19 Priority claimed from JP60131741A external-priority patent/JP2853094B2/ja

1986-05-30 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1990-11-13 Application granted granted Critical

1990-11-13 Publication of CA1276284C publication Critical patent/CA1276284C/fr

2007-11-13 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000010897 surface acoustic wave method Methods 0.000 claims abstract description 41
239000000758 substrate Substances 0.000 claims abstract description 21
230000005855 radiation Effects 0.000 claims description 13
230000008859 change Effects 0.000 claims description 9
239000003990 capacitor Substances 0.000 claims description 7
239000002131 composite material Substances 0.000 claims description 3
238000006243 chemical reaction Methods 0.000 claims 6
238000003491 array Methods 0.000 claims 3
238000010586 diagram Methods 0.000 description 14
230000002441 reversible effect Effects 0.000 description 12
230000001629 suppression Effects 0.000 description 11
230000005284 excitation Effects 0.000 description 5
238000013461 design Methods 0.000 description 4
230000001902 propagating effect Effects 0.000 description 4
239000011159 matrix material Substances 0.000 description 3
229910003327 LiNbO3 Inorganic materials 0.000 description 2
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
229910052782 aluminium Inorganic materials 0.000 description 2
230000006872 improvement Effects 0.000 description 2
238000012545 processing Methods 0.000 description 2
230000009467 reduction Effects 0.000 description 2
239000007787 solid Substances 0.000 description 2
206010013710 Drug interaction Diseases 0.000 description 1
239000006096 absorbing agent Substances 0.000 description 1
239000004411 aluminium Substances 0.000 description 1
230000002457 bidirectional effect Effects 0.000 description 1
230000021615 conjugation Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000008878 coupling Effects 0.000 description 1
238000010168 coupling process Methods 0.000 description 1
238000005859 coupling reaction Methods 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000007772 electrode material Substances 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
238000003780 insertion Methods 0.000 description 1
230000037431 insertion Effects 0.000 description 1
230000003993 interaction Effects 0.000 description 1
238000000034 method Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
238000000206 photolithography Methods 0.000 description 1
230000008569 process Effects 0.000 description 1
230000004044 response Effects 0.000 description 1
238000007740 vapor deposition Methods 0.000 description 1

Landscapes

Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

CA000510494A 1985-04-05 1986-05-30 Dispositif generateur d'onde de surface elastiques Expired - Lifetime CA1276284C (fr)

Applications Claiming Priority (8)

Application Number	Priority Date	Filing Date	Title
JP7086285A JPS61230511A (ja)	1985-04-05	1985-04-05	弾性表面波装置
JP70862/85		1985-04-05
JP8237985A JPH0691408B2 (ja)	1985-04-19	1985-04-19	弾性表面波装置
JP82379/85		1985-04-19
JP12245485A JPS61281610A (ja)	1985-06-07	1985-06-07	弾性表面波装置
JP122454/85		1985-06-07
JP60131741A JP2853094B2 (ja)	1985-06-19	1985-06-19	弾性表面波装置
JP131741/85		1985-06-19

Publications (1)

Publication Number	Publication Date
CA1276284C true CA1276284C (fr)	1990-11-13

Family

ID=27465298

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000510494A Expired - Lifetime CA1276284C (fr)	1985-04-05	1986-05-30	Dispositif generateur d'onde de surface elastiques

Country Status (1)

Country	Link
CA (1)	CA1276284C (fr)

1986
- 1986-05-30 CA CA000510494A patent/CA1276284C/fr not_active Expired - Lifetime

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Legal Events

Date	Code	Title	Description
2007-11-13	MKLA	Lapsed
2012-12-05	MKEC	Expiry (correction)	Effective date: 20121205