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Machine translation
1. (WO1981000939) SURFACE ACOUSTIC WAVES CONVERTER
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1981/000939    International Application No.:    PCT/SU1980/000147
Publication Date: 02.04.1981 International Filing Date: 27.08.1980
IPC:
H03H 9/02 (2006.01), H03H 9/145 (2006.01)
Applicants:
Inventors:
Priority Data:
2821084 28.09.1979 SU
Title (EN) SURFACE ACOUSTIC WAVES CONVERTER
(FR) CONVERTISSEUR D"ONDES ACOUSTIQUES DE SURFACE
Abstract: front page image
(EN)A surface acoustic waves converter of the pin type comprises a backing (1) which has two areas (2 and 3) or more. The area (2) has piezoelectric properties and carries a main row (4) of electrodes (5 and 6). The area (3) does not have piezoelectric properties and carries an auxiliary row (7) of electrodes (8 and 9) Each row (4, 7) comprises two groups of interparallel electrodes (5, 6 and 8, 9). The electrodes (5 and 8) of one of the groups of those rows (4 and 7) are electrically connected to their conducting platforms (10 and 11). The electrodes (6 and 9) of the other groups of those rows (4 and 7) are galvanically connected with each other and are placed between the electrodes (5 and 8) of the first of the said groups of their rows (4 and 7) so as to constitute overlapping sections of permanent length of the electrodes (5, 6 and 8, 9) of both groups in the main row (4) and overlapping sections of variable length in the auxiliary row (7).
(FR)Un convertisseur d"ondes acoustiques de surface du type a broche comprend un support (1) qui possede deux regions (2 et 3) ou davantage. La region (2) possede des proprietes piezoelectriques et porte une rangee principale (4) d"electrodes (5 et 6). La region (3) ne possede pas de proprietes piezoelectriques et porte une region auxiliaire (7) d"electrodes (8 et 9). Chaque rangee (4, 7) comprend deux groupes d"electrodes paralleles entre elles (5, 6 et 8, 9). Les electrodes (5 et 8) de l"un des groupes de ces rangees (4 et 7) sont connectees electriquement a leurs plate-formes conductrices (10 et 11). Les electrodes (6 et 9) des autres groupes de ces rangees (4 et 7) sont connectees galvaniquement entre elles et sont placees entre les electrodes (5 et 8) du premier de ces groupes de leurs rangees (4 et 7) de maniere a constituer des sections de chevauchement de longueurs constantes des electrodes (5, 6 et 8, 9) des deux groupes dans la rangee principale (4) et des sections de chevauchement de longueurs variables dans la rangee auxiliaire (7).
Designated States:
Publication Language: Russian (RU)
Filing Language: Russian (RU)