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AU539607B2 - Entry material and method for drilling circuit boards - Google Patents
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AU539607B2 - Entry material and method for drilling circuit boards - Google Patents

Entry material and method for drilling circuit boards

Info

Publication number
AU539607B2
AU539607B2 AU62224/80A AU6222480A AU539607B2 AU 539607 B2 AU539607 B2 AU 539607B2 AU 62224/80 A AU62224/80 A AU 62224/80A AU 6222480 A AU6222480 A AU 6222480A AU 539607 B2 AU539607 B2 AU 539607B2
Authority
AU
Australia
Prior art keywords
circuit boards
entry material
drilling circuit
drilling
entry
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.)
Ceased
Application number
AU62224/80A
Other versions
AU6222480A (en
Inventor
James P. Block
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.)
Lcoa Laminating Co of America
Original Assignee
Lcoa Laminating Co of America
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
Priority claimed from US06/061,594 external-priority patent/US4311419A/en
Application filed by Lcoa Laminating Co of America filed Critical Lcoa Laminating Co of America
Publication of AU6222480A publication Critical patent/AU6222480A/en
Application granted granted Critical
Publication of AU539607B2 publication Critical patent/AU539607B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU62224/80A 1979-07-30 1980-07-28 Entry material and method for drilling circuit boards Ceased AU539607B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/061,594 US4311419A (en) 1979-07-30 1979-07-30 Method for drilling circuit boards
US061594 1979-07-30
PCT/US1980/000960 WO1981000367A1 (en) 1979-07-30 1980-07-28 Entry material and method for drilling circuit boards

Publications (2)

Publication Number Publication Date
AU6222480A AU6222480A (en) 1981-03-03
AU539607B2 true AU539607B2 (en) 1984-10-04

Family

ID=26741248

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62224/80A Ceased AU539607B2 (en) 1979-07-30 1980-07-28 Entry material and method for drilling circuit boards

Country Status (2)

Country Link
AU (1) AU539607B2 (en)
NO (1) NO155834C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU592613B2 (en) * 1986-02-14 1990-01-18 Control Data Corporation A backup sheet for backing a worksheet during a small bore drilling process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU592613B2 (en) * 1986-02-14 1990-01-18 Control Data Corporation A backup sheet for backing a worksheet during a small bore drilling process

Also Published As

Publication number Publication date
NO155834B (en) 1987-03-02
AU6222480A (en) 1981-03-03
NO811067L (en) 1981-03-27
NO155834C (en) 1987-06-10

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