JPH01169204U - - Google Patents

Info

Publication number
JPH01169204U
JPH01169204U JP6651988U JP6651988U JPH01169204U JP H01169204 U JPH01169204 U JP H01169204U JP 6651988 U JP6651988 U JP 6651988U JP 6651988 U JP6651988 U JP 6651988U JP H01169204 U JPH01169204 U JP H01169204U
Authority
JP
Japan
Prior art keywords
optical waveguide
crystal substrate
protection material
surface protection
thermal expansion
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.)
Pending
Application number
JP6651988U
Other languages
English (en)
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 filed Critical
Priority to JP6651988U priority Critical patent/JPH01169204U/ja
Publication of JPH01169204U publication Critical patent/JPH01169204U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案による光導波路素子の一実施例
を示す断面図、第2図は本考案による光導波路素
子の実施例を示す断面図である。 11,21……結晶基板、12,22……光導
波路、13,23……電極、14,24……基板
と熱膨張係数が等しい表面保護層、15,16,
17,25……高弾性表面保護層。

Claims (1)

    【実用新案登録請求の範囲】
  1. 結晶基板に形成された光導波路を含む素子表面
    を表面保護材料で1層または多層に覆い、且つ、
    前記素子表面に接触する前記表面保護材料が前記
    結晶基板と熱膨張係数が等しい材料であることを
    特徴とする光導波路素子。
JP6651988U 1988-05-20 1988-05-20 Pending JPH01169204U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6651988U JPH01169204U (ja) 1988-05-20 1988-05-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6651988U JPH01169204U (ja) 1988-05-20 1988-05-20

Publications (1)

Publication Number Publication Date
JPH01169204U true JPH01169204U (ja) 1989-11-29

Family

ID=31291923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6651988U Pending JPH01169204U (ja) 1988-05-20 1988-05-20

Country Status (1)

Country Link
JP (1) JPH01169204U (ja)

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