JPS56167397A - Method of forming bir hole - Google Patents

Method of forming bir hole

Info

Publication number
JPS56167397A
JPS56167397A JP7031280A JP7031280A JPS56167397A JP S56167397 A JPS56167397 A JP S56167397A JP 7031280 A JP7031280 A JP 7031280A JP 7031280 A JP7031280 A JP 7031280A JP S56167397 A JPS56167397 A JP S56167397A
Authority
JP
Japan
Prior art keywords
bir
hole
forming
forming bir
bir hole
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
JP7031280A
Other languages
Japanese (ja)
Other versions
JPS5824038B2 (en
Inventor
Kishio Yokouchi
Hiromi Ogawa
Hirozou Yokoyama
Nobuo Kamehara
Kouichi Niwa
Kiyouhei Murakawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP7031280A priority Critical patent/JPS5824038B2/en
Publication of JPS56167397A publication Critical patent/JPS56167397A/en
Publication of JPS5824038B2 publication Critical patent/JPS5824038B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Production Of Multi-Layered Print Wiring Board (AREA)
  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
JP7031280A 1980-05-27 1980-05-27 Via hole formation method Expired JPS5824038B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7031280A JPS5824038B2 (en) 1980-05-27 1980-05-27 Via hole formation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7031280A JPS5824038B2 (en) 1980-05-27 1980-05-27 Via hole formation method

Publications (2)

Publication Number Publication Date
JPS56167397A true JPS56167397A (en) 1981-12-23
JPS5824038B2 JPS5824038B2 (en) 1983-05-18

Family

ID=13427803

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7031280A Expired JPS5824038B2 (en) 1980-05-27 1980-05-27 Via hole formation method

Country Status (1)

Country Link
JP (1) JPS5824038B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0315729A (en) * 1989-06-13 1991-01-24 Miyamoto Kogyosho:Kk Temperature measuring instrument for molten metal
JPH0743622Y2 (en) * 1990-09-14 1995-10-09 川惣電機工業株式会社 Fixture for molten metal continuous temperature measuring device

Also Published As

Publication number Publication date
JPS5824038B2 (en) 1983-05-18

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