JPS631383U - - Google Patents

Info

Publication number
JPS631383U
JPS631383U JP9441586U JP9441586U JPS631383U JP S631383 U JPS631383 U JP S631383U JP 9441586 U JP9441586 U JP 9441586U JP 9441586 U JP9441586 U JP 9441586U JP S631383 U JPS631383 U JP S631383U
Authority
JP
Japan
Prior art keywords
holes
back surfaces
hole
diameter
board
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
JP9441586U
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 JP9441586U priority Critical patent/JPS631383U/ja
Publication of JPS631383U publication Critical patent/JPS631383U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)

Description

【図面の簡単な説明】
第１図ａ，ｂは本考案の実施例、第２図ａ，ｂ
は一般の多層印刷配線板のスルホール構造の平面
図及び断面図。第３図ａ，ｂは、ランドレス構造
を有する多層印刷配線板の平面図及び断面図。 １……絶縁層、２……スルホール孔、３……ラ
ンド、４……表裏面導体、５……内層導体、６…
…（表裏のスルホール孔の径より大きい）スルホ
ール孔、１０……基板。

Claims (1)

    【実用新案登録請求の範囲】
  1. 部品挿入用スルホール孔を有する多層印刷配線
    板においてスルホール孔の表裏面ランドレス構造
    にし、かつ前記スルホール孔の内層部分に表裏面
    のスルホール径より大きい径の孔を有することを
    特徴とする多層印刷配線板。
JP9441586U 1986-06-19 1986-06-19 Pending JPS631383U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9441586U JPS631383U (ja) 1986-06-19 1986-06-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9441586U JPS631383U (ja) 1986-06-19 1986-06-19

Publications (1)

Publication Number Publication Date
JPS631383U true JPS631383U (ja) 1988-01-07

Family

ID=30957850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9441586U Pending JPS631383U (ja) 1986-06-19 1986-06-19

Country Status (1)

Country Link
JP (1) JPS631383U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02137295A (ja) * 1988-11-17 1990-05-25 Ibiden Co Ltd 多層プリント配線板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02137295A (ja) * 1988-11-17 1990-05-25 Ibiden Co Ltd 多層プリント配線板

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