JPH0180970U - - Google Patents

Info

Publication number
JPH0180970U
JPH0180970U JP1987177444U JP17744487U JPH0180970U JP H0180970 U JPH0180970 U JP H0180970U JP 1987177444 U JP1987177444 U JP 1987177444U JP 17744487 U JP17744487 U JP 17744487U JP H0180970 U JPH0180970 U JP H0180970U
Authority
JP
Japan
Prior art keywords
integrated circuit
wiring board
printed wiring
hole
hole land
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
JP1987177444U
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 JP1987177444U priority Critical patent/JPH0180970U/ja
Publication of JPH0180970U publication Critical patent/JPH0180970U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
  • Structures For Mounting Electric Components On Printed Circuit Boards (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す印刷配線板の
平面図、第2図は従来の一例を示す印刷配線板の
平面図である。 1……集積回路接続用パツト、2……スルーホ
ールランド、3……ライン、4……基準点。

Claims (1)

    【実用新案登録請求の範囲】
  1. 端子ピツチが0.8mmで80ピンの表面実装型
    集積回路を搭載する印刷配線板において、集積回
    路の外側に2.54mm格子にのつたスルーホール
    ランドを有し、このスルーホールランドと集積回
    路接続用パツトを結ぶラインの幅が0.25mmあ
    り、これらの回路の最小間隙が0.3mmであり、
    且つ前記スルーホールランド、パツト、ラインを
    含む矩形の面積が13.4cm2以下であることを
    特徴とする印刷配線板。
JP1987177444U 1987-11-20 1987-11-20 Pending JPH0180970U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987177444U JPH0180970U (ja) 1987-11-20 1987-11-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987177444U JPH0180970U (ja) 1987-11-20 1987-11-20

Publications (1)

Publication Number Publication Date
JPH0180970U true JPH0180970U (ja) 1989-05-30

Family

ID=31469108

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987177444U Pending JPH0180970U (ja) 1987-11-20 1987-11-20

Country Status (1)

Country Link
JP (1) JPH0180970U (ja)

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