ZA804474B - Backup material for use in drilling printed circuit boards - Google Patents

Backup material for use in drilling printed circuit boards

Info

Publication number
ZA804474B
ZA804474B ZA00804474A ZA804474A ZA804474B ZA 804474 B ZA804474 B ZA 804474B ZA 00804474 A ZA00804474 A ZA 00804474A ZA 804474 A ZA804474 A ZA 804474A ZA 804474 B ZA804474 B ZA 804474B
Authority
ZA
South Africa
Prior art keywords
printed circuit
circuit boards
backup material
drilling printed
drilling
Prior art date
Application number
ZA00804474A
Other languages
English (en)
Inventor
James P Block
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
Application filed by Lcoa Laminating Co Of America filed Critical Lcoa Laminating Co Of America
Publication of ZA804474B publication Critical patent/ZA804474B/xx

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0011—Working of insulating substrates or insulating layers
    • H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
    • H05K3/0047—Drilling of holes
    • 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
    • B23B35/005—Measures for preventing splittering
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
    • H05K2203/0214—Back-up or entry material, e.g. for mechanical drilling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/03—Processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
    • Y10T408/561—Having tool-opposing, work-engaging surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9309—Anvil

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)
ZA00804474A 1979-07-30 1980-07-24 Backup material for use in drilling printed circuit boards ZA804474B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/061,592 US4269549A (en) 1979-07-30 1979-07-30 Method for drilling circuit boards

Publications (1)

Publication Number Publication Date
ZA804474B true ZA804474B (en) 1981-11-25

Family

ID=22036800

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00804474A ZA804474B (en) 1979-07-30 1980-07-24 Backup material for use in drilling printed circuit boards

Country Status (11)

Country Link
US (1) US4269549A (xx)
EP (1) EP0032932A1 (xx)
JP (1) JPS6161922B2 (xx)
AU (1) AU538385B2 (xx)
BR (1) BR8008772A (xx)
FI (1) FI70663C (xx)
IL (1) IL60655A (xx)
MX (1) MX149881A (xx)
NO (1) NO154656C (xx)
WO (1) WO1981000368A1 (xx)
ZA (1) ZA804474B (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE446953B (sv) * 1981-03-23 1986-10-20 Nils Goran Boris Andersson I K Borrunderlegg
US4575290A (en) * 1982-09-30 1986-03-11 Teledyne Industries, Inc. Apparatus and method for producing templates
IT1165541B (it) * 1983-02-17 1987-04-22 Prt Pluritec Italia Spa Metodo di foratura e relativa foratrice per piastre impilate particolarmente piastre di supporto di circuiti stampati
DE3333978A1 (de) * 1983-09-20 1985-04-04 Siemens AG, 1000 Berlin und 8000 München Bohreinrichtung zum einbringen von loechern in platten oder plattenstapel
US4643936A (en) * 1986-02-14 1987-02-17 Control Data Corporation Backup material for small bore drilling
JPS63156603A (ja) * 1986-12-19 1988-06-29 Hitachi Seiko Ltd プリント基板の穴明け方法
US4853273A (en) * 1987-12-21 1989-08-01 Elmatco Products, Incorporated Drill board and method of making the same
DE3910273C1 (en) * 1989-03-30 1990-06-07 Duerkopp Systemtechnik Gmbh, 4800 Bielefeld, De Workbench with a metallic cutting-material support for an automatic cutting installation
US4955765A (en) * 1989-08-02 1990-09-11 Laird Ronald C Machine tool table having disposable wooden table section mechanism
DE4315653A1 (de) * 1993-05-11 1994-11-17 Deutsche Aerospace Airbus Verfahren und Anordnung zum Zerspanen von Schichten
US5404641A (en) * 1993-08-16 1995-04-11 Avco Corporation Method of drilling through contiguous plate members using a robotic drill clamp
US5564869A (en) * 1995-01-25 1996-10-15 Ford Motor Company Method of drilling ductile materials
US5785465A (en) * 1996-07-30 1998-07-28 Systems Division Incorporated Entry overlay sheet and method for drilling holes
US5961255A (en) * 1996-07-30 1999-10-05 Systems Division Incorporated Entry overlay sheet and method for drilling holes
US6200074B1 (en) * 1999-04-07 2001-03-13 James J. Miller Method for drilling circuit boards
US6669805B2 (en) * 2001-02-16 2003-12-30 International Business Machines Corporation Drill stack formation
US7231857B2 (en) * 2002-01-22 2007-06-19 Cencorp Usa, Inc. Depaneling systems
US20050112344A1 (en) * 2003-08-20 2005-05-26 Redfern Sean M. Apparatus and method for use in printed circuit board drilling applications
EP2191701B1 (en) 2007-09-28 2013-03-20 Tri-Star Laminates, Inc. Entry sheet, method of manufacturing thereof and methods for drilling holes in printed circuit boards
CN104228157B (zh) * 2014-09-22 2016-03-23 烟台柳鑫新材料科技有限公司 一种pcb钻孔用垫板及其制造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1625061A (en) * 1925-02-19 1927-04-19 Philip H Trout Welded composite corrugated sheet
US2258858A (en) * 1939-03-15 1941-10-14 Budd Edward G Mfg Co Sheathing
US2963128A (en) * 1958-04-21 1960-12-06 Thompson Ramo Wooldridge Inc Sandwich-type structural element
US3285644A (en) * 1964-09-23 1966-11-15 Harry F Tomek Composite panel and support with increased rupture resistant connection
US3700341A (en) * 1970-07-27 1972-10-24 Lcoa Laminating Co Of America Laminated board and method of making same
US3719113A (en) * 1970-12-03 1973-03-06 Gerber Garment Technology Inc Penetrable bed used for cutting sheet material and method for treating same
US3781124A (en) * 1972-02-22 1973-12-25 Domtar Ltd Paper plug removal from drilled reams

Also Published As

Publication number Publication date
NO154656C (no) 1986-11-26
IL60655A0 (en) 1980-09-16
FI70663C (fi) 1986-09-24
FI802381A (fi) 1981-01-31
AU538385B2 (en) 1984-08-09
BR8008772A (pt) 1981-05-26
AU6222380A (en) 1981-03-03
IL60655A (en) 1985-09-29
US4269549A (en) 1981-05-26
NO811068L (no) 1981-03-27
WO1981000368A1 (en) 1981-02-19
EP0032932A1 (en) 1981-08-05
MX149881A (es) 1984-01-25
FI70663B (fi) 1986-06-06
JPS6161922B2 (xx) 1986-12-27
JPS56500923A (xx) 1981-07-09
NO154656B (no) 1986-08-18

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