CA1277413C - Dispositif a ondes acoustiques de surface a reseau de touches continu
- Google Patents
Dispositif a ondes acoustiques de surface a reseau de touches continu
Info
Publication number
CA1277413C
CA1277413CCA000522629ACA522629ACA1277413CCA 1277413 CCA1277413 CCA 1277413CCA 000522629 ACA000522629 ACA 000522629ACA 522629 ACA522629 ACA 522629ACA 1277413 CCA1277413 CCA 1277413C
Authority
CA
Canada
Prior art keywords
fingers
idt
reflection suppressing
saw device
region
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.)
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom LtdfiledCriticalNorthern Telecom Ltd
Priority to US07/119,455priorityCriticalpatent/US4814658A/en
Priority claimed from US07/119,455external-prioritypatent/US4814658A/en
Application grantedgrantedCritical
Publication of CA1277413CpublicationCriticalpatent/CA1277413C/fr