JPS6320646B2 - - Google Patents

Info

Publication number
JPS6320646B2
JPS6320646B2 JP2297184A JP2297184A JPS6320646B2 JP S6320646 B2 JPS6320646 B2 JP S6320646B2 JP 2297184 A JP2297184 A JP 2297184A JP 2297184 A JP2297184 A JP 2297184A JP S6320646 B2 JPS6320646 B2 JP S6320646B2
Authority
JP
Japan
Prior art keywords
printed board
drill
pattern
detecting
breakage
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.)
Expired
Application number
JP2297184A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60180705A (ja
Inventor
Keiji Kurosawa
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 JP2297184A priority Critical patent/JPS60180705A/ja
Publication of JPS60180705A publication Critical patent/JPS60180705A/ja
Publication of JPS6320646B2 publication Critical patent/JPS6320646B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
JP2297184A 1984-02-13 1984-02-13 ドリル折れ検出用プリント板 Granted JPS60180705A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2297184A JPS60180705A (ja) 1984-02-13 1984-02-13 ドリル折れ検出用プリント板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2297184A JPS60180705A (ja) 1984-02-13 1984-02-13 ドリル折れ検出用プリント板

Publications (2)

Publication Number Publication Date
JPS60180705A JPS60180705A (ja) 1985-09-14
JPS6320646B2 true JPS6320646B2 (enrdf_load_stackoverflow) 1988-04-28

Family

ID=12097454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2297184A Granted JPS60180705A (ja) 1984-02-13 1984-02-13 ドリル折れ検出用プリント板

Country Status (1)

Country Link
JP (1) JPS60180705A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996033049A1 (en) * 1995-04-19 1996-10-24 Kimble Alvin J Locking ring vacuum clamping system with load/unload capabilities

Also Published As

Publication number Publication date
JPS60180705A (ja) 1985-09-14

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