JPS59152819U - surface acoustic wave device - Google Patents

surface acoustic wave device

Info

Publication number
JPS59152819U
JPS59152819U JP4629683U JP4629683U JPS59152819U JP S59152819 U JPS59152819 U JP S59152819U JP 4629683 U JP4629683 U JP 4629683U JP 4629683 U JP4629683 U JP 4629683U JP S59152819 U JPS59152819 U JP S59152819U
Authority
JP
Japan
Prior art keywords
surface acoustic
wave device
acoustic wave
acoustic waves
interdigital electrodes
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.)
Granted
Application number
JP4629683U
Other languages
Japanese (ja)
Other versions
JPH0328595Y2 (en
Inventor
坂内　允昭
清瀬　功
義昭 山本
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP4629683U priority Critical patent/JPS59152819U/en
Publication of JPS59152819U publication Critical patent/JPS59152819U/en
Application granted granted Critical
Publication of JPH0328595Y2 publication Critical patent/JPH0328595Y2/ja
Granted legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来例の上面図、第２図は本考案の一実施例を
示す上面図で、１０は基板、１１は送信トランスジュー
サ、１２はインターディジタル電極、１３は受信トラン
スジューサ、１６ａ〜１６ｄは第１〜第４のダミー電極
、を夫々示している。1 is a top view of a conventional example, and FIG. 2 is a top view of an embodiment of the present invention, in which 10 is a substrate, 11 is a transmitting transducer, 12 is an interdigital electrode, 13 is a receiving transducer, and 16a to 16d are First to fourth dummy electrodes are shown, respectively.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 表面弾性波を送信・受信する一対の送信・受信トランス
ジューサを備えた表面弾性波装置に於いて、上記送信・
受信トランスジューサの少くとも一方は、電極指の交叉
幅を異ならしめた重み付はインターディジタル電極と、
他方のトランスジューサ側に向って伝播する表面弾性波
若しくは他方のトランスジューサ側から伝播し受信せし
められる表面弾性波に対してのみ位相歪を補償するダミ
ー電極と、を含み、上記ダミー電極の少くとも一部はイ
ンターディジタル電極と電気的に遮断されていることを
特徴とした表面弾性波装置。In a surface acoustic wave device equipped with a pair of transmitting/receiving transducers that transmit and receive surface acoustic waves,
At least one of the receiving transducers includes weighted interdigital electrodes having different crossing widths of electrode fingers;
a dummy electrode that compensates phase distortion only for surface acoustic waves propagating toward the other transducer side or surface acoustic waves propagating and received from the other transducer side, at least a part of the dummy electrode; is a surface acoustic wave device characterized by being electrically isolated from interdigital electrodes.
JP4629683U 1983-03-29 1983-03-29 surface acoustic wave device Granted JPS59152819U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4629683U JPS59152819U (en) 1983-03-29 1983-03-29 surface acoustic wave device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4629683U JPS59152819U (en) 1983-03-29 1983-03-29 surface acoustic wave device

Publications (2)

Publication Number Publication Date
JPS59152819U true JPS59152819U (en) 1984-10-13
JPH0328595Y2 JPH0328595Y2 (en) 1991-06-19

Family

ID=30176850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4629683U Granted JPS59152819U (en) 1983-03-29 1983-03-29 surface acoustic wave device

Country Status (1)

Country Link
JP (1) JPS59152819U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57147318A (en) * 1981-03-09 1982-09-11 Toshiba Corp Surface acoustic wave filter element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57147318A (en) * 1981-03-09 1982-09-11 Toshiba Corp Surface acoustic wave filter element

Also Published As

Publication number Publication date
JPH0328595Y2 (en) 1991-06-19

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